{"id":94645,"date":"2025-01-26T09:06:33","date_gmt":"2025-01-26T05:36:33","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/optimizing-collection-operations-in-c-importing-searching-and-sorting-3d86\/"},"modified":"2025-01-26T09:06:33","modified_gmt":"2025-01-26T05:36:33","slug":"optimizing-collection-operations-in-c-importing-searching-and-sorting-3d86","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/optimizing-collection-operations-in-c-importing-searching-and-sorting-3d86\/","title":{"rendered":"\u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u0639\u0645\u0644\u06cc\u0627\u062a \u062c\u0645\u0639 \u0622\u0648\u0631\u06cc \u062f\u0631 C#: \u0648\u0627\u0631\u062f\u0627\u062a \u060c \u062c\u0633\u062a\u062c\u0648 \u0648 \u0645\u0631\u062a\u0628 \u0633\u0627\u0632\u06cc"},"content":{"rendered":"<div data-article-id=\"2241145\" id=\"article-body\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter-rtl ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nabfollower.com\/blog\/optimizing-collection-operations-in-c-importing-searching-and-sorting-3d86\/#%D9%85%D9%82%D8%AF%D9%85%D9%87\" >\u0645\u0642\u062f\u0645\u0647<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nabfollower.com\/blog\/optimizing-collection-operations-in-c-importing-searching-and-sorting-3d86\/#%D9%85%D8%B1%D8%AD%D9%84%D9%87_1_%D9%85%D8%AF%D9%84_%D8%AF%D8%A7%D8%AF%D9%87_%D8%B1%D8%A7_%D8%AA%D8%B9%D8%B1%DB%8C%D9%81_%DA%A9%D9%86%DB%8C%D8%AF\" >\u0645\u0631\u062d\u0644\u0647 1: \u0645\u062f\u0644 \u062f\u0627\u062f\u0647 \u0631\u0627 \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nabfollower.com\/blog\/optimizing-collection-operations-in-c-importing-searching-and-sorting-3d86\/#%D9%85%D8%B1%D8%AD%D9%84%D9%87_2_%D9%85%D8%AC%D9%85%D9%88%D8%B9%D9%87_%D8%B1%D8%A7_%D8%AC%D9%85%D8%B9_%DA%A9%D9%86%DB%8C%D8%AF\" >\u0645\u0631\u062d\u0644\u0647 2: \u0645\u062c\u0645\u0648\u0639\u0647 \u0631\u0627 \u062c\u0645\u0639 \u06a9\u0646\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nabfollower.com\/blog\/optimizing-collection-operations-in-c-importing-searching-and-sorting-3d86\/#%D9%85%D8%B1%D8%AD%D9%84%D9%87_3_%D8%AC%D8%B3%D8%AA%D8%AC%D9%88%DB%8C_%DB%8C%DA%A9_%DA%A9%D8%B4%D9%88%D8%B1\" >\u0645\u0631\u062d\u0644\u0647 3: \u062c\u0633\u062a\u062c\u0648\u06cc \u06cc\u06a9 \u06a9\u0634\u0648\u0631<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nabfollower.com\/blog\/optimizing-collection-operations-in-c-importing-searching-and-sorting-3d86\/#%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D8%A7%D8%B2_%D8%AC%D8%B3%D8%AA%D8%AC%D9%88%DB%8C_%D8%AE%D8%B7%DB%8C_O_N\" >\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062c\u0633\u062a\u062c\u0648\u06cc \u062e\u0637\u06cc (O (N))<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nabfollower.com\/blog\/optimizing-collection-operations-in-c-importing-searching-and-sorting-3d86\/#%D9%85%D8%AB%D8%A7%D9%84_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87\" >\u0645\u062b\u0627\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/nabfollower.com\/blog\/optimizing-collection-operations-in-c-importing-searching-and-sorting-3d86\/#%D9%85%D8%B1%D8%AD%D9%84%D9%87_4_%D8%A8%D9%87%DB%8C%D9%86%D9%87_%D8%B3%D8%A7%D8%B2%DB%8C_%D8%AC%D8%B3%D8%AA%D8%AC%D9%88_%D8%A8%D8%A7_%D9%81%D8%B1%D9%87%D9%86%DA%AF_%D9%84%D8%BA%D8%AA\" >\u0645\u0631\u062d\u0644\u0647 4: \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u062c\u0633\u062a\u062c\u0648 \u0628\u0627 \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/nabfollower.com\/blog\/optimizing-collection-operations-in-c-importing-searching-and-sorting-3d86\/#%D9%85%D8%AB%D8%A7%D9%84_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87-2\" >\u0645\u062b\u0627\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/nabfollower.com\/blog\/optimizing-collection-operations-in-c-importing-searching-and-sorting-3d86\/#%D9%85%D8%B1%D8%AD%D9%84%D9%87_5_%D9%85%D8%B1%D8%AA%D8%A8_%D8%B3%D8%A7%D8%B2%DB%8C_%D9%85%D8%AC%D9%85%D9%88%D8%B9%D9%87\" >\u0645\u0631\u062d\u0644\u0647 5: \u0645\u0631\u062a\u0628 \u0633\u0627\u0632\u06cc \u0645\u062c\u0645\u0648\u0639\u0647<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/nabfollower.com\/blog\/optimizing-collection-operations-in-c-importing-searching-and-sorting-3d86\/#%D8%A8%D8%A7_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D8%A7%D8%B2_linq_OrderBy\" >\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 linq OrderBy:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/nabfollower.com\/blog\/optimizing-collection-operations-in-c-importing-searching-and-sorting-3d86\/#%D9%85%D8%AB%D8%A7%D9%84_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87-3\" >\u0645\u062b\u0627\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/nabfollower.com\/blog\/optimizing-collection-operations-in-c-importing-searching-and-sorting-3d86\/#%D9%85%D8%B1%D8%AD%D9%84%D9%87_%D8%B4%D8%B4%D9%85_%D9%87%D9%85%D9%87_%D8%A7%DB%8C%D9%86%D9%87%D8%A7_%D8%B1%D8%A7_%DA%A9%D9%86%D8%A7%D8%B1_%D9%87%D9%85_%D9%82%D8%B1%D8%A7%D8%B1_%D8%AF%D9%87%DB%8C%D8%AF\" >\u0645\u0631\u062d\u0644\u0647 \u0634\u0634\u0645: \u0647\u0645\u0647 \u0627\u06cc\u0646\u0647\u0627 \u0631\u0627 \u06a9\u0646\u0627\u0631 \u0647\u0645 \u0642\u0631\u0627\u0631 \u062f\u0647\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/nabfollower.com\/blog\/optimizing-collection-operations-in-c-importing-searching-and-sorting-3d86\/#%D9%BE%D8%A7%DB%8C%D8%A7%D9%86\" >\u067e\u0627\u06cc\u0627\u0646<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"%D9%85%D9%82%D8%AF%D9%85%D9%87\"><\/span>\n<p>  <strong>\u0645\u0642\u062f\u0645\u0647<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u06a9\u0627\u0631 \u0628\u0627 \u0645\u062c\u0645\u0648\u0639\u0647 \u0647\u0627 \u0628\u0647 \u0637\u0648\u0631 \u06a9\u0627\u0631\u0622\u0645\u062f \u0633\u0646\u06af \u0628\u0646\u0627\u06cc \u062a\u0648\u0633\u0639\u0647 C# \u0627\u0633\u062a. \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0631\u0648\u0634\u0647\u0627\u06cc \u0639\u0645\u0644\u06cc \u0628\u0631\u0627\u06cc \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0648\u0627\u0631\u062f\u0627\u062a \u060c \u062c\u0633\u062a\u062c\u0648 \u0648 \u0645\u0631\u062a\u0628 \u0633\u0627\u0632\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627 \u0636\u0645\u0646 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0646 \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u060c \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f. \u0628\u0647 \u062c\u0627\u06cc \u062a\u06a9\u06cc\u0647 \u0628\u0631 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u0647\u0627\u06cc \u062e\u0627\u0631\u062c\u06cc \u0645\u0627\u0646\u0646\u062f \u067e\u0631\u0648\u0646\u062f\u0647 \u0647\u0627\u06cc CSV \u06cc\u0627 \u0686\u0627\u0631\u0686\u0648\u0628 \u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f WPF \u060c \u0645\u0627 \u0635\u0631\u0641\u0627\u064b \u0631\u0648\u06cc \u0645\u0646\u0637\u0642 \u0648 \u0645\u0641\u0627\u0647\u06cc\u0645 \u06a9\u0627\u0631 \u0628\u0627 \u0645\u062c\u0645\u0648\u0639\u0647 \u0647\u0627 \u062a\u0645\u0631\u06a9\u0632 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f.<\/p>\n<p>\u0645\u0627 \u0627\u0632 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u0633\u0627\u062f\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f: \u0645\u062f\u06cc\u0631\u06cc\u062a \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u06a9\u0634\u0648\u0631\u0647\u0627. \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0627\u0632 \u0637\u0631\u06cc\u0642 \u062a\u0646\u0638\u06cc\u0645 \u062f\u0627\u062f\u0647 \u0647\u0627 \u060c \u062c\u0633\u062a\u062c\u0648\u06cc \u06a9\u0634\u0648\u0631\u0647\u0627\u06cc \u062e\u0627\u0635 \u060c \u0645\u0631\u062a\u0628 \u0633\u0627\u0632\u06cc \u0622\u0646\u0647\u0627 \u0648 \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u0642\u062f\u0645 \u0628\u0632\u0646\u06cc\u0645.<\/p>\n<hr\/>\n<h3><span class=\"ez-toc-section\" id=\"%D9%85%D8%B1%D8%AD%D9%84%D9%87_1_%D9%85%D8%AF%D9%84_%D8%AF%D8%A7%D8%AF%D9%87_%D8%B1%D8%A7_%D8%AA%D8%B9%D8%B1%DB%8C%D9%81_%DA%A9%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  <strong>\u0645\u0631\u062d\u0644\u0647 1: \u0645\u062f\u0644 \u062f\u0627\u062f\u0647 \u0631\u0627 \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u06cc\u062f<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0628\u0631\u0627\u06cc \u0634\u0631\u0648\u0639 \u060c \u0645\u0627 \u0628\u0647 <code>Country<\/code> \u06a9\u0644\u0627\u0633 \u0628\u0631\u0627\u06cc \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0646 \u062f\u0627\u062f\u0647 \u0647\u0627. \u0627\u06cc\u0646 \u0633\u0647 \u0648\u06cc\u0698\u06af\u06cc \u062e\u0648\u0627\u0647\u062f \u062f\u0627\u0634\u062a: \u0646\u0627\u0645 \u060c \u06a9\u062f \u0648 \u0642\u0627\u0631\u0647 \u06a9\u0634\u0648\u0631. \u0639\u0644\u0627\u0648\u0647 \u0628\u0631 \u0627\u06cc\u0646 \u060c \u0645\u0627 \u063a\u0644\u0628\u0647 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f <code>ToString<\/code> \u0631\u0648\u0634 \u0627\u0631\u0627\u0626\u0647 \u0641\u0631\u0645\u062a \u0642\u0627\u0628\u0644 \u062e\u0648\u0627\u0646\u062f\u0646 \u0628\u0631\u0627\u06cc \u0646\u0645\u0627\u06cc\u0634.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight csharp\"><code><span class=\"k\">public<\/span> <span class=\"k\">class<\/span> <span class=\"nc\">Country<\/span>\n<span class=\"p\">{<\/span>\n    <span class=\"k\">public<\/span> <span class=\"kt\">string<\/span> <span class=\"n\">Name<\/span> <span class=\"p\">{<\/span> <span class=\"k\">get<\/span><span class=\"p\">;<\/span> <span class=\"k\">set<\/span><span class=\"p\">;<\/span> <span class=\"p\">}<\/span>\n    <span class=\"k\">public<\/span> <span class=\"kt\">string<\/span> <span class=\"n\">Code<\/span> <span class=\"p\">{<\/span> <span class=\"k\">get<\/span><span class=\"p\">;<\/span> <span class=\"k\">set<\/span><span class=\"p\">;<\/span> <span class=\"p\">}<\/span>\n    <span class=\"k\">public<\/span> <span class=\"kt\">string<\/span> <span class=\"n\">Continent<\/span> <span class=\"p\">{<\/span> <span class=\"k\">get<\/span><span class=\"p\">;<\/span> <span class=\"k\">set<\/span><span class=\"p\">;<\/span> <span class=\"p\">}<\/span>\n\n    <span class=\"k\">public<\/span> <span class=\"k\">override<\/span> <span class=\"kt\">string<\/span> <span class=\"nf\">ToString<\/span><span class=\"p\">()<\/span>\n    <span class=\"p\">{<\/span>\n        <span class=\"k\">return<\/span> <span class=\"s\">$\"<\/span><span class=\"p\">{<\/span><span class=\"n\">Name<\/span><span class=\"p\">}<\/span><span class=\"s\"> (<\/span><span class=\"p\">{<\/span><span class=\"n\">Code<\/span><span class=\"p\">}<\/span><span class=\"s\">) - <\/span><span class=\"p\">{<\/span><span class=\"n\">Continent<\/span><span class=\"p\">}<\/span><span class=\"s\">\"<\/span><span class=\"p\">;<\/span>\n    <span class=\"p\">}<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<hr\/>\n<h3><span class=\"ez-toc-section\" id=\"%D9%85%D8%B1%D8%AD%D9%84%D9%87_2_%D9%85%D8%AC%D9%85%D9%88%D8%B9%D9%87_%D8%B1%D8%A7_%D8%AC%D9%85%D8%B9_%DA%A9%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  <strong>\u0645\u0631\u062d\u0644\u0647 2: \u0645\u062c\u0645\u0648\u0639\u0647 \u0631\u0627 \u062c\u0645\u0639 \u06a9\u0646\u06cc\u062f<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0628\u0647 \u062c\u0627\u06cc \u0648\u0627\u0631\u062f \u06a9\u0631\u062f\u0646 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0627\u0632 \u06cc\u06a9 \u067e\u0631\u0648\u0646\u062f\u0647 \u062e\u0627\u0631\u062c\u06cc \u060c \u0645\u0627 \u06cc\u06a9 \u0644\u06cc\u0633\u062a \u0633\u062e\u062a \u0627\u0632 \u06a9\u0634\u0648\u0631\u0647\u0627 \u0628\u0631\u0627\u06cc \u0633\u0627\u062f\u06af\u06cc \u0627\u06cc\u062c\u0627\u062f \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight csharp\"><code><span class=\"kt\">var<\/span> <span class=\"n\">countries<\/span> <span class=\"p\">=<\/span> <span class=\"k\">new<\/span> <span class=\"n\">List<\/span><span class=\"p\">&lt;<\/span><span class=\"n\">Country<\/span><span class=\"p\">&gt;<\/span>\n<span class=\"p\">{<\/span>\n    <span class=\"k\">new<\/span> <span class=\"n\">Country<\/span> <span class=\"p\">{<\/span> <span class=\"n\">Name<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"Germany\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">Code<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"DEU\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">Continent<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"Europe\"<\/span> <span class=\"p\">},<\/span>\n    <span class=\"k\">new<\/span> <span class=\"n\">Country<\/span> <span class=\"p\">{<\/span> <span class=\"n\">Name<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"United States\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">Code<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"USA\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">Continent<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"North America\"<\/span> <span class=\"p\">},<\/span>\n    <span class=\"k\">new<\/span> <span class=\"n\">Country<\/span> <span class=\"p\">{<\/span> <span class=\"n\">Name<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"India\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">Code<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"IND\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">Continent<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"Asia\"<\/span> <span class=\"p\">},<\/span>\n    <span class=\"k\">new<\/span> <span class=\"n\">Country<\/span> <span class=\"p\">{<\/span> <span class=\"n\">Name<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"Malta\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">Code<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"MLT\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">Continent<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"Europe\"<\/span> <span class=\"p\">},<\/span>\n    <span class=\"k\">new<\/span> <span class=\"n\">Country<\/span> <span class=\"p\">{<\/span> <span class=\"n\">Name<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"Japan\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">Code<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"JPN\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">Continent<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"Asia\"<\/span> <span class=\"p\">}<\/span>\n<span class=\"p\">};<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<ul>\n<li>\n<strong>\u0686\u0631\u0627 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0633\u062e\u062a \u0645\u06cc \u06a9\u0646\u06cc\u062f\u061f<\/strong><\/p>\n<ul>\n<li>\u0627\u06cc\u0646 \u0627\u0645\u0631 \u062a\u0645\u0631\u06a9\u0632 \u062e\u0648\u062f \u0631\u0627 \u0628\u0631 \u0631\u0648\u06cc \u0639\u0645\u0644\u06cc\u0627\u062a \u0645\u062c\u0645\u0648\u0639\u0647 \u0628\u062f\u0648\u0646 \u0645\u0639\u0631\u0641\u06cc \u067e\u06cc\u0686\u06cc\u062f\u06af\u06cc \u0647\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u067e\u0631\u0648\u0646\u062f\u0647 \u0647\u0627\u06cc \u062e\u0627\u0631\u062c\u06cc \u062d\u0641\u0638 \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr\/>\n<h3><span class=\"ez-toc-section\" id=\"%D9%85%D8%B1%D8%AD%D9%84%D9%87_3_%D8%AC%D8%B3%D8%AA%D8%AC%D9%88%DB%8C_%DB%8C%DA%A9_%DA%A9%D8%B4%D9%88%D8%B1\"><\/span>\n<p>  <strong>\u0645\u0631\u062d\u0644\u0647 3: \u062c\u0633\u062a\u062c\u0648\u06cc \u06cc\u06a9 \u06a9\u0634\u0648\u0631<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D8%A7%D8%B2_%D8%AC%D8%B3%D8%AA%D8%AC%D9%88%DB%8C_%D8%AE%D8%B7%DB%8C_O_N\"><\/span>\n<p>  <strong>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062c\u0633\u062a\u062c\u0648\u06cc \u062e\u0637\u06cc (O (N))<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u06cc\u06a9 \u0631\u0648\u06cc\u06a9\u0631\u062f \u0645\u0634\u062a\u0631\u06a9 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 <code>List<t>.Find<\/t><\/code> \u0631\u0648\u0634 \u060c \u06a9\u0647 \u06cc\u06a9 \u062c\u0633\u062a\u062c\u0648\u06cc \u062e\u0637\u06cc \u0631\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0644\u06cc\u0633\u062a \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight csharp\"><code><span class=\"k\">public<\/span> <span class=\"k\">static<\/span> <span class=\"n\">Country<\/span> <span class=\"nf\">GetCountryWithCode<\/span><span class=\"p\">(<\/span><span class=\"kt\">string<\/span> <span class=\"n\">code<\/span><span class=\"p\">,<\/span> <span class=\"n\">List<\/span><span class=\"p\">&lt;<\/span><span class=\"n\">Country<\/span><span class=\"p\">&gt;<\/span> <span class=\"n\">countries<\/span><span class=\"p\">)<\/span>\n<span class=\"p\">{<\/span>\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">code<\/span><span class=\"p\">.<\/span><span class=\"n\">Length<\/span> <span class=\"p\">!=<\/span> <span class=\"m\">3<\/span><span class=\"p\">)<\/span> <span class=\"k\">return<\/span> <span class=\"k\">null<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/ Validate input length<\/span>\n\n    <span class=\"k\">return<\/span> <span class=\"n\">countries<\/span><span class=\"p\">.<\/span><span class=\"nf\">Find<\/span><span class=\"p\">(<\/span><span class=\"n\">c<\/span> <span class=\"p\">=&gt;<\/span> <span class=\"n\">c<\/span><span class=\"p\">.<\/span><span class=\"n\">Code<\/span><span class=\"p\">.<\/span><span class=\"nf\">Equals<\/span><span class=\"p\">(<\/span><span class=\"n\">code<\/span><span class=\"p\">,<\/span> <span class=\"n\">StringComparison<\/span><span class=\"p\">.<\/span><span class=\"n\">OrdinalIgnoreCase<\/span><span class=\"p\">));<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h4><span class=\"ez-toc-section\" id=\"%D9%85%D8%AB%D8%A7%D9%84_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87\"><\/span>\n<p>  <strong>\u0645\u062b\u0627\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647:<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight csharp\"><code><span class=\"kt\">var<\/span> <span class=\"n\">country<\/span> <span class=\"p\">=<\/span> <span class=\"nf\">GetCountryWithCode<\/span><span class=\"p\">(<\/span><span class=\"s\">\"IND\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">countries<\/span><span class=\"p\">);<\/span>\n<span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">country<\/span> <span class=\"p\">!=<\/span> <span class=\"k\">null<\/span><span class=\"p\">)<\/span>\n<span class=\"p\">{<\/span>\n    <span class=\"n\">Console<\/span><span class=\"p\">.<\/span><span class=\"nf\">WriteLine<\/span><span class=\"p\">(<\/span><span class=\"s\">$\"Found: <\/span><span class=\"p\">{<\/span><span class=\"n\">country<\/span><span class=\"p\">}<\/span><span class=\"s\">\"<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">}<\/span>\n<span class=\"k\">else<\/span>\n<span class=\"p\">{<\/span>\n    <span class=\"n\">Console<\/span><span class=\"p\">.<\/span><span class=\"nf\">WriteLine<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Country not found.\"<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<ul>\n<li>\n<strong>\u0628\u06cc\u0646\u0634 \u0639\u0645\u0644\u06a9\u0631\u062f:<\/strong><\/p>\n<ul>\n<li>\n<code>Find<\/code>  \u0627\u062c\u0631\u0627 <strong>\u062c\u0633\u062a\u062c\u0648\u06cc \u062e\u0637\u06cc<\/strong> \u0628\u0627 \u067e\u06cc\u0686\u06cc\u062f\u06af\u06cc o (n). \u0627\u06cc\u0646 \u0628\u0631\u0627\u06cc \u0645\u062c\u0645\u0648\u0639\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u06a9\u0648\u0686\u06a9 \u062e\u0648\u0628 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f \u0627\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0631\u0627\u06cc \u0645\u062c\u0645\u0648\u0639\u0647 \u0647\u0627\u06cc \u0628\u0632\u0631\u06af\u062a\u0631 \u06a9\u0646\u062f \u0634\u0648\u062f.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr\/>\n<h3><span class=\"ez-toc-section\" id=\"%D9%85%D8%B1%D8%AD%D9%84%D9%87_4_%D8%A8%D9%87%DB%8C%D9%86%D9%87_%D8%B3%D8%A7%D8%B2%DB%8C_%D8%AC%D8%B3%D8%AA%D8%AC%D9%88_%D8%A8%D8%A7_%D9%81%D8%B1%D9%87%D9%86%DA%AF_%D9%84%D8%BA%D8%AA\"><\/span>\n<p>  <strong>\u0645\u0631\u062d\u0644\u0647 4: \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u062c\u0633\u062a\u062c\u0648 \u0628\u0627 \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0628\u0631\u0627\u06cc \u0628\u0647\u0628\u0648\u062f \u0639\u0645\u0644\u06a9\u0631\u062f \u062c\u0633\u062a\u062c\u0648 \u060c \u0627\u0632 a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <code>Dictionary<tkey tvalue=\"\"\/><\/code> \u0628\u0631\u0627\u06cc \u062c\u0633\u062a\u062c\u0648\u06cc \u0632\u0645\u0627\u0646 \u062b\u0627\u0628\u062a (O (1)).<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight csharp\"><code><span class=\"kt\">var<\/span> <span class=\"n\">countryDict<\/span> <span class=\"p\">=<\/span> <span class=\"n\">countries<\/span><span class=\"p\">.<\/span><span class=\"nf\">ToDictionary<\/span><span class=\"p\">(<\/span><span class=\"n\">c<\/span> <span class=\"p\">=&gt;<\/span> <span class=\"n\">c<\/span><span class=\"p\">.<\/span><span class=\"n\">Code<\/span><span class=\"p\">);<\/span>\n\n<span class=\"k\">public<\/span> <span class=\"k\">static<\/span> <span class=\"n\">Country<\/span> <span class=\"nf\">GetCountryWithCode<\/span><span class=\"p\">(<\/span><span class=\"kt\">string<\/span> <span class=\"n\">code<\/span><span class=\"p\">,<\/span> <span class=\"n\">Dictionary<\/span><span class=\"p\">&lt;<\/span><span class=\"kt\">string<\/span><span class=\"p\">,<\/span> <span class=\"n\">Country<\/span><span class=\"p\">&gt;<\/span> <span class=\"n\">countryDict<\/span><span class=\"p\">)<\/span>\n<span class=\"p\">{<\/span>\n    <span class=\"n\">countryDict<\/span><span class=\"p\">.<\/span><span class=\"nf\">TryGetValue<\/span><span class=\"p\">(<\/span><span class=\"n\">code<\/span><span class=\"p\">.<\/span><span class=\"nf\">ToUpper<\/span><span class=\"p\">(),<\/span> <span class=\"k\">out<\/span> <span class=\"kt\">var<\/span> <span class=\"n\">country<\/span><span class=\"p\">);<\/span>\n    <span class=\"k\">return<\/span> <span class=\"n\">country<\/span><span class=\"p\">;<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h4><span class=\"ez-toc-section\" id=\"%D9%85%D8%AB%D8%A7%D9%84_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87-2\"><\/span>\n<p>  <strong>\u0645\u062b\u0627\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647:<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight csharp\"><code><span class=\"kt\">var<\/span> <span class=\"n\">optimizedCountry<\/span> <span class=\"p\">=<\/span> <span class=\"nf\">GetCountryWithCode<\/span><span class=\"p\">(<\/span><span class=\"s\">\"USA\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">countryDict<\/span><span class=\"p\">);<\/span>\n<span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">optimizedCountry<\/span> <span class=\"p\">!=<\/span> <span class=\"k\">null<\/span><span class=\"p\">)<\/span>\n<span class=\"p\">{<\/span>\n    <span class=\"n\">Console<\/span><span class=\"p\">.<\/span><span class=\"nf\">WriteLine<\/span><span class=\"p\">(<\/span><span class=\"s\">$\"Found: <\/span><span class=\"p\">{<\/span><span class=\"n\">optimizedCountry<\/span><span class=\"p\">}<\/span><span class=\"s\">\"<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">}<\/span>\n<span class=\"k\">else<\/span>\n<span class=\"p\">{<\/span>\n    <span class=\"n\">Console<\/span><span class=\"p\">.<\/span><span class=\"nf\">WriteLine<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Country not found.\"<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<ul>\n<li>\n<strong>\u0633\u0648\u062f \u0639\u0645\u0644\u06a9\u0631\u062f:<\/strong><\/p>\n<ul>\n<li>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0641\u0631\u0647\u0646\u06af \u0644\u063a\u062a \u0628\u0647 \u0637\u0631\u0632 \u0686\u0634\u0645\u06af\u06cc\u0631\u06cc \u0632\u0645\u0627\u0646 \u062c\u0633\u062a\u062c\u0648 \u0631\u0627 \u06a9\u0627\u0647\u0634 \u0645\u06cc \u062f\u0647\u062f \u0648 \u0622\u0646 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0645\u062c\u0645\u0648\u0639\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0628\u0632\u0631\u06af \u06cc\u0627 \u062c\u0633\u062a\u062c\u0648\u06cc \u0645\u06a9\u0631\u0631 \u0627\u06cc\u062f\u0647 \u0622\u0644 \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr\/>\n<h3><span class=\"ez-toc-section\" id=\"%D9%85%D8%B1%D8%AD%D9%84%D9%87_5_%D9%85%D8%B1%D8%AA%D8%A8_%D8%B3%D8%A7%D8%B2%DB%8C_%D9%85%D8%AC%D9%85%D9%88%D8%B9%D9%87\"><\/span>\n<p>  <strong>\u0645\u0631\u062d\u0644\u0647 5: \u0645\u0631\u062a\u0628 \u0633\u0627\u0632\u06cc \u0645\u062c\u0645\u0648\u0639\u0647<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><span class=\"ez-toc-section\" id=\"%D8%A8%D8%A7_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D8%A7%D8%B2_linq_OrderBy\"><\/span>\n<p>  <strong>\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 linq <code>OrderBy<\/code>:<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u0628\u0631\u0627\u06cc \u0645\u0631\u062a\u0628 \u0633\u0627\u0632\u06cc \u060c LINQ \u06cc\u06a9 \u0631\u0627\u0647 \u062d\u0644 \u062a\u0645\u06cc\u0632 \u0648 \u0633\u0627\u062f\u0647 \u0628\u0627 <code>OrderBy<\/code> \u0631\u0648\u0634<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight csharp\"><code><span class=\"kt\">var<\/span> <span class=\"n\">sortedCountries<\/span> <span class=\"p\">=<\/span> <span class=\"n\">countries<\/span><span class=\"p\">.<\/span><span class=\"nf\">OrderBy<\/span><span class=\"p\">(<\/span><span class=\"n\">c<\/span> <span class=\"p\">=&gt;<\/span> <span class=\"n\">c<\/span><span class=\"p\">.<\/span><span class=\"n\">Name<\/span><span class=\"p\">).<\/span><span class=\"nf\">ToList<\/span><span class=\"p\">();<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h4><span class=\"ez-toc-section\" id=\"%D9%85%D8%AB%D8%A7%D9%84_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87-3\"><\/span>\n<p>  <strong>\u0645\u062b\u0627\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647:<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight csharp\"><code><span class=\"n\">Console<\/span><span class=\"p\">.<\/span><span class=\"nf\">WriteLine<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Sorted Countries:\"<\/span><span class=\"p\">);<\/span>\n<span class=\"k\">foreach<\/span> <span class=\"p\">(<\/span><span class=\"kt\">var<\/span> <span class=\"n\">country<\/span> <span class=\"k\">in<\/span> <span class=\"n\">sortedCountries<\/span><span class=\"p\">)<\/span>\n<span class=\"p\">{<\/span>\n    <span class=\"n\">Console<\/span><span class=\"p\">.<\/span><span class=\"nf\">WriteLine<\/span><span class=\"p\">(<\/span><span class=\"n\">country<\/span><span class=\"p\">);<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<ul>\n<li>\n<strong>\u0628\u06cc\u0646\u0634 \u0639\u0645\u0644\u06a9\u0631\u062f:<\/strong><\/p>\n<ul>\n<li>\u0645\u0631\u062a\u0628 \u0633\u0627\u0632\u06cc \u0627\u0644\u06af\u0648\u0631\u06cc\u062a\u0645 \u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f \u0646\u0645\u0648\u0646\u0647 \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062f\u0631 <code>OrderBy<\/code> \u0628\u0647 \u0637\u0648\u0631 \u0645\u0639\u0645\u0648\u0644 \u062f\u0627\u0631\u0627\u06cc \u067e\u06cc\u0686\u06cc\u062f\u06af\u06cc O (n log n) \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0627\u06a9\u062b\u0631 \u0633\u0646\u0627\u0631\u06cc\u0648\u0647\u0627 \u06a9\u0627\u0631\u0622\u0645\u062f \u0627\u0633\u062a.<\/li>\n<li>\u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 <code>List.Sort<\/code> \u0633\u0631\u06cc\u0639\u062a\u0631 \u0627\u0633\u062a \u060c \u062e\u0648\u0627\u0646\u0627\u06cc\u06cc \u0648 \u0633\u0627\u062f\u06af\u06cc LINQ <code>OrderBy<\/code> \u06cc\u06a9 \u0627\u0646\u062a\u062e\u0627\u0628 \u0639\u0627\u0644\u06cc \u0628\u0631\u0627\u06cc \u0639\u0645\u0644\u06cc\u0627\u062a \u06cc\u06a9 \u0628\u0627\u0631.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr\/>\n<h3><span class=\"ez-toc-section\" id=\"%D9%85%D8%B1%D8%AD%D9%84%D9%87_%D8%B4%D8%B4%D9%85_%D9%87%D9%85%D9%87_%D8%A7%DB%8C%D9%86%D9%87%D8%A7_%D8%B1%D8%A7_%DA%A9%D9%86%D8%A7%D8%B1_%D9%87%D9%85_%D9%82%D8%B1%D8%A7%D8%B1_%D8%AF%D9%87%DB%8C%D8%AF\"><\/span>\n<p>  <strong>\u0645\u0631\u062d\u0644\u0647 \u0634\u0634\u0645: \u0647\u0645\u0647 \u0627\u06cc\u0646\u0647\u0627 \u0631\u0627 \u06a9\u0646\u0627\u0631 \u0647\u0645 \u0642\u0631\u0627\u0631 \u062f\u0647\u06cc\u062f<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06a9\u062f \u0645\u062b\u0627\u0644 \u06a9\u0627\u0645\u0644 \u060c \u062a\u0631\u06a9\u06cc\u0628 \u0647\u0645\u0647 \u0686\u06cc\u0632:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight csharp\"><code><span class=\"k\">using<\/span> <span class=\"nn\">System<\/span><span class=\"p\">;<\/span>\n<span class=\"k\">using<\/span> <span class=\"nn\">System.Collections.Generic<\/span><span class=\"p\">;<\/span>\n<span class=\"k\">using<\/span> <span class=\"nn\">System.Linq<\/span><span class=\"p\">;<\/span>\n\n<span class=\"k\">public<\/span> <span class=\"k\">class<\/span> <span class=\"nc\">Country<\/span>\n<span class=\"p\">{<\/span>\n    <span class=\"k\">public<\/span> <span class=\"kt\">string<\/span> <span class=\"n\">Name<\/span> <span class=\"p\">{<\/span> <span class=\"k\">get<\/span><span class=\"p\">;<\/span> <span class=\"k\">set<\/span><span class=\"p\">;<\/span> <span class=\"p\">}<\/span>\n    <span class=\"k\">public<\/span> <span class=\"kt\">string<\/span> <span class=\"n\">Code<\/span> <span class=\"p\">{<\/span> <span class=\"k\">get<\/span><span class=\"p\">;<\/span> <span class=\"k\">set<\/span><span class=\"p\">;<\/span> <span class=\"p\">}<\/span>\n    <span class=\"k\">public<\/span> <span class=\"kt\">string<\/span> <span class=\"n\">Continent<\/span> <span class=\"p\">{<\/span> <span class=\"k\">get<\/span><span class=\"p\">;<\/span> <span class=\"k\">set<\/span><span class=\"p\">;<\/span> <span class=\"p\">}<\/span>\n\n    <span class=\"k\">public<\/span> <span class=\"k\">override<\/span> <span class=\"kt\">string<\/span> <span class=\"nf\">ToString<\/span><span class=\"p\">()<\/span>\n    <span class=\"p\">{<\/span>\n        <span class=\"k\">return<\/span> <span class=\"s\">$\"<\/span><span class=\"p\">{<\/span><span class=\"n\">Name<\/span><span class=\"p\">}<\/span><span class=\"s\"> (<\/span><span class=\"p\">{<\/span><span class=\"n\">Code<\/span><span class=\"p\">}<\/span><span class=\"s\">) - <\/span><span class=\"p\">{<\/span><span class=\"n\">Continent<\/span><span class=\"p\">}<\/span><span class=\"s\">\"<\/span><span class=\"p\">;<\/span>\n    <span class=\"p\">}<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"k\">class<\/span> <span class=\"nc\">Program<\/span>\n<span class=\"p\">{<\/span>\n    <span class=\"k\">static<\/span> <span class=\"k\">void<\/span> <span class=\"nf\">Main<\/span><span class=\"p\">()<\/span>\n    <span class=\"p\">{<\/span>\n        <span class=\"c1\">\/\/ Step 2: Populate the collection<\/span>\n        <span class=\"kt\">var<\/span> <span class=\"n\">countries<\/span> <span class=\"p\">=<\/span> <span class=\"k\">new<\/span> <span class=\"n\">List<\/span><span class=\"p\">&lt;<\/span><span class=\"n\">Country<\/span><span class=\"p\">&gt;<\/span>\n        <span class=\"p\">{<\/span>\n            <span class=\"k\">new<\/span> <span class=\"n\">Country<\/span> <span class=\"p\">{<\/span> <span class=\"n\">Name<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"Germany\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">Code<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"DEU\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">Continent<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"Europe\"<\/span> <span class=\"p\">},<\/span>\n            <span class=\"k\">new<\/span> <span class=\"n\">Country<\/span> <span class=\"p\">{<\/span> <span class=\"n\">Name<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"United States\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">Code<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"USA\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">Continent<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"North America\"<\/span> <span class=\"p\">},<\/span>\n            <span class=\"k\">new<\/span> <span class=\"n\">Country<\/span> <span class=\"p\">{<\/span> <span class=\"n\">Name<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"India\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">Code<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"IND\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">Continent<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"Asia\"<\/span> <span class=\"p\">},<\/span>\n            <span class=\"k\">new<\/span> <span class=\"n\">Country<\/span> <span class=\"p\">{<\/span> <span class=\"n\">Name<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"Malta\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">Code<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"MLT\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">Continent<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"Europe\"<\/span> <span class=\"p\">},<\/span>\n            <span class=\"k\">new<\/span> <span class=\"n\">Country<\/span> <span class=\"p\">{<\/span> <span class=\"n\">Name<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"Japan\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">Code<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"JPN\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">Continent<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"Asia\"<\/span> <span class=\"p\">}<\/span>\n        <span class=\"p\">};<\/span>\n\n        <span class=\"c1\">\/\/ Step 3: Search with linear search<\/span>\n        <span class=\"kt\">var<\/span> <span class=\"n\">country<\/span> <span class=\"p\">=<\/span> <span class=\"nf\">GetCountryWithCode<\/span><span class=\"p\">(<\/span><span class=\"s\">\"IND\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">countries<\/span><span class=\"p\">);<\/span>\n        <span class=\"n\">Console<\/span><span class=\"p\">.<\/span><span class=\"nf\">WriteLine<\/span><span class=\"p\">(<\/span><span class=\"n\">country<\/span> <span class=\"p\">!=<\/span> <span class=\"k\">null<\/span> <span class=\"p\">?<\/span> <span class=\"s\">$\"Found: <\/span><span class=\"p\">{<\/span><span class=\"n\">country<\/span><span class=\"p\">}<\/span><span class=\"s\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"s\">\"Country not found.\"<\/span><span class=\"p\">);<\/span>\n\n        <span class=\"c1\">\/\/ Step 4: Optimize search with dictionary<\/span>\n        <span class=\"kt\">var<\/span> <span class=\"n\">countryDict<\/span> <span class=\"p\">=<\/span> <span class=\"n\">countries<\/span><span class=\"p\">.<\/span><span class=\"nf\">ToDictionary<\/span><span class=\"p\">(<\/span><span class=\"n\">c<\/span> <span class=\"p\">=&gt;<\/span> <span class=\"n\">c<\/span><span class=\"p\">.<\/span><span class=\"n\">Code<\/span><span class=\"p\">);<\/span>\n        <span class=\"kt\">var<\/span> <span class=\"n\">optimizedCountry<\/span> <span class=\"p\">=<\/span> <span class=\"nf\">GetCountryWithCode<\/span><span class=\"p\">(<\/span><span class=\"s\">\"USA\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">countryDict<\/span><span class=\"p\">);<\/span>\n        <span class=\"n\">Console<\/span><span class=\"p\">.<\/span><span class=\"nf\">WriteLine<\/span><span class=\"p\">(<\/span><span class=\"n\">optimizedCountry<\/span> <span class=\"p\">!=<\/span> <span class=\"k\">null<\/span> <span class=\"p\">?<\/span> <span class=\"s\">$\"Found: <\/span><span class=\"p\">{<\/span><span class=\"n\">optimizedCountry<\/span><span class=\"p\">}<\/span><span class=\"s\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"s\">\"Country not found.\"<\/span><span class=\"p\">);<\/span>\n\n        <span class=\"c1\">\/\/ Step 5: Sort the collection<\/span>\n        <span class=\"kt\">var<\/span> <span class=\"n\">sortedCountries<\/span> <span class=\"p\">=<\/span> <span class=\"n\">countries<\/span><span class=\"p\">.<\/span><span class=\"nf\">OrderBy<\/span><span class=\"p\">(<\/span><span class=\"n\">c<\/span> <span class=\"p\">=&gt;<\/span> <span class=\"n\">c<\/span><span class=\"p\">.<\/span><span class=\"n\">Name<\/span><span class=\"p\">).<\/span><span class=\"nf\">ToList<\/span><span class=\"p\">();<\/span>\n        <span class=\"n\">Console<\/span><span class=\"p\">.<\/span><span class=\"nf\">WriteLine<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Sorted Countries:\"<\/span><span class=\"p\">);<\/span>\n        <span class=\"k\">foreach<\/span> <span class=\"p\">(<\/span><span class=\"kt\">var<\/span> <span class=\"n\">sortedCountry<\/span> <span class=\"k\">in<\/span> <span class=\"n\">sortedCountries<\/span><span class=\"p\">)<\/span>\n        <span class=\"p\">{<\/span>\n            <span class=\"n\">Console<\/span><span class=\"p\">.<\/span><span class=\"nf\">WriteLine<\/span><span class=\"p\">(<\/span><span class=\"n\">sortedCountry<\/span><span class=\"p\">);<\/span>\n        <span class=\"p\">}<\/span>\n    <span class=\"p\">}<\/span>\n\n    <span class=\"k\">public<\/span> <span class=\"k\">static<\/span> <span class=\"n\">Country<\/span> <span class=\"nf\">GetCountryWithCode<\/span><span class=\"p\">(<\/span><span class=\"kt\">string<\/span> <span class=\"n\">code<\/span><span class=\"p\">,<\/span> <span class=\"n\">List<\/span><span class=\"p\">&lt;<\/span><span class=\"n\">Country<\/span><span class=\"p\">&gt;<\/span> <span class=\"n\">countries<\/span><span class=\"p\">)<\/span>\n    <span class=\"p\">{<\/span>\n        <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">code<\/span><span class=\"p\">.<\/span><span class=\"n\">Length<\/span> <span class=\"p\">!=<\/span> <span class=\"m\">3<\/span><span class=\"p\">)<\/span> <span class=\"k\">return<\/span> <span class=\"k\">null<\/span><span class=\"p\">;<\/span>\n        <span class=\"k\">return<\/span> <span class=\"n\">countries<\/span><span class=\"p\">.<\/span><span class=\"nf\">Find<\/span><span class=\"p\">(<\/span><span class=\"n\">c<\/span> <span class=\"p\">=&gt;<\/span> <span class=\"n\">c<\/span><span class=\"p\">.<\/span><span class=\"n\">Code<\/span><span class=\"p\">.<\/span><span class=\"nf\">Equals<\/span><span class=\"p\">(<\/span><span class=\"n\">code<\/span><span class=\"p\">,<\/span> <span class=\"n\">StringComparison<\/span><span class=\"p\">.<\/span><span class=\"n\">OrdinalIgnoreCase<\/span><span class=\"p\">));<\/span>\n    <span class=\"p\">}<\/span>\n\n    <span class=\"k\">public<\/span> <span class=\"k\">static<\/span> <span class=\"n\">Country<\/span> <span class=\"nf\">GetCountryWithCode<\/span><span class=\"p\">(<\/span><span class=\"kt\">string<\/span> <span class=\"n\">code<\/span><span class=\"p\">,<\/span> <span class=\"n\">Dictionary<\/span><span class=\"p\">&lt;<\/span><span class=\"kt\">string<\/span><span class=\"p\">,<\/span> <span class=\"n\">Country<\/span><span class=\"p\">&gt;<\/span> <span class=\"n\">countryDict<\/span><span class=\"p\">)<\/span>\n    <span class=\"p\">{<\/span>\n        <span class=\"n\">countryDict<\/span><span class=\"p\">.<\/span><span class=\"nf\">TryGetValue<\/span><span class=\"p\">(<\/span><span class=\"n\">code<\/span><span class=\"p\">.<\/span><span class=\"nf\">ToUpper<\/span><span class=\"p\">(),<\/span> <span class=\"k\">out<\/span> <span class=\"kt\">var<\/span> <span class=\"n\">country<\/span><span class=\"p\">);<\/span>\n        <span class=\"k\">return<\/span> <span class=\"n\">country<\/span><span class=\"p\">;<\/span>\n    <span class=\"p\">}<\/span>\n<span class=\"p\">}<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<hr\/>\n<h3><span class=\"ez-toc-section\" id=\"%D9%BE%D8%A7%DB%8C%D8%A7%D9%86\"><\/span>\n<p>  <strong>\u067e\u0627\u06cc\u0627\u0646<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u060c \u0645\u0627 \u0631\u0627 \u067e\u0648\u0634\u0634 \u062f\u0627\u062f\u06cc\u0645:<\/p>\n<ol>\n<li>\u0646\u062d\u0648\u0647 \u062a\u0639\u0631\u06cc\u0641 \u0648 \u062c\u0645\u0639 \u0622\u0648\u0631\u06cc \u06cc\u06a9 \u0645\u062c\u0645\u0648\u0639\u0647 \u0628\u0627 \u06cc\u06a9 \u0633\u0627\u062f\u0647 <code>Country<\/code> \u06a9\u0644\u0627\u0633.<\/li>\n<li>\u062f\u0631 \u062c\u0633\u062a\u062c\u0648\u06cc \u0639\u0646\u0627\u0635\u0631 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0647\u0631 \u062f\u0648 <code>List<t>.Find<\/t><\/code> \u0648\u062a <code>Dictionary<tkey tvalue=\"\"\/><\/code>\u0628\u0634\u0631<\/li>\n<li>\u0645\u0631\u062a\u0628 \u0633\u0627\u0632\u06cc \u0645\u062c\u0645\u0648\u0639\u0647 \u0647\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 linq <code>OrderBy<\/code>\u0628\u0634\u0631<\/li>\n<\/ol>\n<p>\u0628\u0627 \u062a\u0645\u0631\u06a9\u0632 \u0628\u0631 \u0631\u0648\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u0648 \u06a9\u062f \u062a\u0645\u06cc\u0632 \u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0645\u062c\u0645\u0648\u0639\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0624\u062b\u0631 \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc \u062e\u0648\u062f \u0627\u062f\u0627\u0631\u0647 \u06a9\u0646\u06cc\u062f. \u0628\u0631\u0627\u06cc \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u067e\u0631\u0648\u0698\u0647 \u0647\u0627\u06cc \u062e\u0648\u062f \u0648 \u062f\u0631\u06a9 \u0639\u0645\u06cc\u0642 \u062a\u0631 \u0627\u0632 \u0645\u062c\u0645\u0648\u0639\u0647 \u0647\u0627\u06cc C# \u0628\u0627 \u0627\u06cc\u0646 \u062a\u06a9\u0646\u06cc\u06a9 \u0647\u0627 \u0622\u0632\u0645\u0627\u06cc\u0634 \u06a9\u0646\u06cc\u062f!<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u0645\u0642\u062f\u0645\u0647 \u06a9\u0627\u0631 \u0628\u0627 \u0645\u062c\u0645\u0648\u0639\u0647 \u0647\u0627 \u0628\u0647 \u0637\u0648\u0631 \u06a9\u0627\u0631\u0622\u0645\u062f \u0633\u0646\u06af \u0628\u0646\u0627\u06cc \u062a\u0648\u0633\u0639\u0647 C# \u0627\u0633\u062a. \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0631\u0648\u0634\u0647\u0627\u06cc \u0639\u0645\u0644\u06cc \u0628\u0631\u0627\u06cc \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0648\u0627\u0631\u062f\u0627\u062a \u060c \u062c\u0633\u062a\u062c\u0648 \u0648 \u0645\u0631\u062a\u0628 \u0633\u0627\u0632\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627 \u0636\u0645\u0646 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0646 \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u060c \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f. \u0628\u0647 \u062c\u0627\u06cc \u062a\u06a9\u06cc\u0647 \u0628\u0631 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u0647\u0627\u06cc \u062e\u0627\u0631\u062c\u06cc \u0645\u0627\u0646\u0646\u062f \u067e\u0631\u0648\u0646\u062f\u0647 \u0647\u0627\u06cc CSV \u06cc\u0627 \u0686\u0627\u0631\u0686\u0648\u0628 \u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f &hellip;<\/p>\n","protected":false},"author":2,"featured_media":94646,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[339],"tags":[],"class_list":["post-94645","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dev"],"_links":{"self":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/94645","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/comments?post=94645"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/94645\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/94646"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=94645"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=94645"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=94645"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}