{"id":90237,"date":"2024-03-21T12:12:36","date_gmt":"2024-03-21T03:12:36","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/c%e8%a8%80%e8%aa%9e%e3%81%aeunordered_map%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e3%82%92%e8%aa%ac%e6%98%8e%e3%81%97%e3%81%be%e3%81%99%e3%80%82\/"},"modified":"2024-03-27T08:42:04","modified_gmt":"2024-03-26T23:42:04","slug":"c%e8%a8%80%e8%aa%9e%e3%81%aeunordered_map%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e3%82%92%e8%aa%ac%e6%98%8e%e3%81%97%e3%81%be%e3%81%99%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/c%e8%a8%80%e8%aa%9e%e3%81%aeunordered_map%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e3%82%92%e8%aa%ac%e6%98%8e%e3%81%97%e3%81%be%e3%81%99%e3%80%82\/","title":{"rendered":"C\u8a00\u8a9e\u306eunordered_map\u306e\u4f7f\u3044\u65b9\u3092\u8aac\u660e\u3057\u307e\u3059\u3002"},"content":{"rendered":"

unordered_map\u306fC++\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u3042\u308b\u30b3\u30f3\u30c6\u30ca\u30af\u30e9\u30b9\u3067\u3001Java\u306eHashMap\u3084Python\u306e\u8f9e\u66f8\u306a\u3069\u3068\u540c\u3058\u3088\u3046\u306a\u3082\u306e\u3002\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u3092\u683c\u7d0d\u3067\u304d\u308b\u69cb\u9020\u3067\u3001\u5024\u3092\u9ad8\u901f\u306b\u691c\u7d22\u30fb\u53c2\u7167\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n

unordered_map\u306e\u4f7f\u3044\u65b9\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n

    \n
  1. #include<\/li>\n
  2. unordered_map<Key, T> unordered_map_name;<\/li>\n
  3. unordered_map_name[key] = value;<\/li>\n
  4. unordered_map_name.insert(std::pair<Key_type, Valuetype>(key, value));<\/li>\n
  5. unordered_map_name[key]<\/li>\n
  6. unordered_map_name.erase(key);<\/li>\n
  7. unordered_map_name.count(key)<\/li>\n
  8. unordered_map_name.begin() \u304b\u3089 unordered_map_name.end() \u307e\u3067\u30a4\u30c6\u30ec\u30fc\u30c8\u3059\u308b\u3002it->first \u306f\u30ad\u30fc\u3001it->second \u306f\u5024\u3092\u8868\u3059\u3002<\/li>\n<\/ol>\n

    unordered_map\u306f\u72ec\u81ea\u306e\u6a5f\u80fd\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n

      \n
    1. \u30ad\u30fc\u306f\u30e6\u30cb\u30fc\u30af\u3067\u3001\u91cd\u8907\u3057\u305f\u30ad\u30fc\u306f1\u56de\u306e\u307f\u633f\u5165\u3055\u308c\u307e\u3059\u3002<\/li>\n
    2. \u30ad\u30fc\u3068\u5024\u306f\u4efb\u610f\u306e\u578b\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n
    3. \u30ad\u30fc\u306e\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u3082\u3068\u306b\u683c\u7d0d\u3055\u308c\u308b\u305f\u3081\u3001\u633f\u5165\u3082\u53c2\u7167\u3082\u6642\u9593\u8a08\u7b97\u91cf\u306f\u5b9a\u6570\u306eO(1)<\/li>\n
    4. \u8981\u7d20\u306e\u9806\u756a\u306f\u78ba\u5b9a\u3057\u3066\u304a\u3089\u305a\u3001\u767b\u9332\u3055\u308c\u305f\u9806\u756a\u306b\u4e26\u3093\u3067\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<\/ol>\n

      unordered_map\u3092\u4f7f\u7528\u3059\u308b\u969b\u306f\u3001\u30d8\u30c3\u30c0\u30fc\u30d5\u30a1\u30a4\u30eb\u306e\u30a4\u30f3\u30af\u30eb\u30fc\u30c9\u3068 std \u540d\u524d\u7a7a\u9593\u306e\u4f7f\u7528\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

      unordered_map\u306fC++\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u3042\u308b\u30b3\u30f3\u30c6\u30ca\u30af\u30e9\u30b9\u3067\u3001Java\u306eHashMap\u3084Python\u306e\u8f9e\u66f8\u306a\u3069\u3068\u540c\u3058\u3088\u3046\u306a\u3082\u306e\u3002\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u3092\u683c\u7d0d\u3067\u304d\u308b\u69cb\u9020\u3067\u3001\u5024\u3092\u9ad8\u901f\u306b\u691c\u7d22\u30fb\u53c2\u7167\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002 unor […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-90237","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nC\u8a00\u8a9e\u306eunordered_map\u306e\u4f7f\u3044\u65b9\u3092\u8aac\u660e\u3057\u307e\u3059\u3002 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/c\u8a00\u8a9e\u306eunordered_map\u306e\u4f7f\u3044\u65b9\u3092\u8aac\u660e\u3057\u307e\u3059\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u8a00\u8a9e\u306eunordered_map\u306e\u4f7f\u3044\u65b9\u3092\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\n<meta property=\"og:description\" content=\"unordered_map\u306fC++\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u3042\u308b\u30b3\u30f3\u30c6\u30ca\u30af\u30e9\u30b9\u3067\u3001Java\u306eHashMap\u3084Python\u306e\u8f9e\u66f8\u306a\u3069\u3068\u540c\u3058\u3088\u3046\u306a\u3082\u306e\u3002\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u3092\u683c\u7d0d\u3067\u304d\u308b\u69cb\u9020\u3067\u3001\u5024\u3092\u9ad8\u901f\u306b\u691c\u7d22\u30fb\u53c2\u7167\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002 unor […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/c\u8a00\u8a9e\u306eunordered_map\u306e\u4f7f\u3044\u65b9\u3092\u8aac\u660e\u3057\u307e\u3059\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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