{"id":27706,"date":"2024-10-27T14:43:14","date_gmt":"2024-10-27T14:43:14","guid":{"rendered":"http:\/\/atmokpo.com\/w\/?p=27706"},"modified":"2024-11-26T07:16:00","modified_gmt":"2024-11-26T07:16:00","slug":"c-%ec%bd%94%eb%94%a9%ed%85%8c%ec%8a%a4%ed%8a%b8-%ea%b0%95%ec%a2%8c-%ec%9d%b4%eb%b6%84-%ea%b7%b8%eb%9e%98%ed%94%84-%ed%8c%90%eb%b3%84%ed%95%98%ea%b8%b0-2","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/27706\/","title":{"rendered":"C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc774\ubd84 \uadf8\ub798\ud504 \ud310\ubcc4\ud558\uae30"},"content":{"rendered":"

<\/p>\n

\uc548\ub155\ud558\uc138\uc694! \uc624\ub298\uc740 \uc774\ubd84 \uadf8\ub798\ud504<\/strong>\uc5d0 \ub300\ud574\uc11c \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc774\ubd84 \uadf8\ub798\ud504\ub294 \uadf8\ub798\ud504\uc758 \uc815\uc810 \uc9d1\ud569\uc744 \ub450 \uac1c\uc758 \ubd80\ubd84 \uc9d1\ud569\uc73c\ub85c \ub098\ub20c \uc218 \uc788\uc73c\uba70, \ub450 \uc9d1\ud569\uc5d0 \ud3ec\ud568\ub41c \uc815\uc810 \uac04\uc5d0\ub294 \uac04\uc120\uc774 \uc874\uc7ac\ud558\uc9c0 \uc54a\ub294 \uadf8\ub798\ud504\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc774 \ub0b4\uc6a9\uc740 \ucf54\ub529\ud14c\uc2a4\ud2b8\uc5d0\uc11c \uc790\uc8fc \ucd9c\uc81c\ub418\ub294 \ubb38\uc81c \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \ub2e4\uc74c \uc2dc\uac04\uc5d0\ub294 \uc774 \ubb38\uc81c\ub97c \ud480\uae30 \uc704\ud574 \ud544\uc694\ud55c \uc54c\uace0\ub9ac\uc998\uacfc \ucf54\ub529\uc744 \ud1b5\ud574 \uc774\ubd84 \uadf8\ub798\ud504\ub97c \ud310\ubcc4\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n

\ubb38\uc81c \uc124\uba85<\/h2>\n

\uc8fc\uc5b4\uc9c4 \ube44\ubc29\ud5a5 \uadf8\ub798\ud504\uac00 \uc774\ubd84 \uadf8\ub798\ud504\uc778\uc9c0 \ud310\ubcc4\ud558\ub294 \ubb38\uc81c\uc785\ub2c8\ub2e4. \ud55c \uc815\uc810\uc5d0\uc11c \uc2dc\uc791\ud558\uc5ec, \uac00\ub2a5\ud55c \ubaa8\ub4e0 \uc815\uc810\uc744 \ubc29\ubb38\ud558\uba74\uc11c \uc774\ubd84 \uadf8\ub798\ud504 \uc870\uac74\uc744 \ub9cc\uc871\ud558\ub294\uc9c0\ub97c \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

\ubb38\uc81c \uc608\uc81c<\/h3>\n

\ub2e4\uc74c\uacfc \uac19\uc740 \uadf8\ub798\ud504\uac00 \uc8fc\uc5b4\uc84c\uc744 \ub54c, \uc774 \uadf8\ub798\ud504\uac00 \uc774\ubd84 \uadf8\ub798\ud504\uc778\uc9c0 \ud310\ubcc4\ud558\uc2dc\uc624.<\/p>\n

\n\uc815\uc810: 6\n\uac04\uc120: \n1 - 2\n1 - 3\n2 - 4\n2 - 5\n3 - 6\n<\/pre>\n
\uc704 \uadf8\ub798\ud504\ub97c \ubcf4\uba74 \ub450 \uac1c\uc758 \uc9d1\ud569\uc73c\ub85c \ub098\ub20c \uc218 \uc788\ub294\uc9c0 \ud30c\uc545\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc9d1\ud569 A\ub294 {1, 4, 5, 6}\uc774\uace0, \uc9d1\ud569 B\ub294 {2, 3}\uc785\ub2c8\ub2e4. \uc774 \uadf8\ub798\ud504\ub294 \uc774\ubd84 \uadf8\ub798\ud504\uac00 \ub9de\uc2b5\ub2c8\ub2e4.<\/p>\n
\ubb38\uc81c \ud574\uacb0 \uc804\ub7b5<\/h2>\n
\uc774\ubd84 \uadf8\ub798\ud504\ub97c \ud655\uc778\ud558\uae30 \uc704\ud574 \uc6b0\ub9ac\uac00 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \ubc29\ubc95 \uc911 \ud558\ub098\ub294 \ub108\ube44 \uc6b0\uc120 \ud0d0\uc0c9(BFS)<\/strong> \ud639\uc740 \uae4a\uc774 \uc6b0\uc120 \ud0d0\uc0c9(DFS)<\/strong>\uc785\ub2c8\ub2e4. \ub450 \ubc29\ubc95 \ubaa8\ub450 \uadf8\ub798\ud504\ub97c \uc21c\ud68c\ud560 \ub54c \uac01 \uc815\uc810\uc5d0 \uc0c9\uae54(\ub610\ub294 \uadf8\ub8f9)\uc744 \ubd80\uc5ec\ud558\uc5ec \uc774\ubd84 \uadf8\ub798\ud504 \uc870\uac74\uc744 \ud655\uc778\ud558\ub294 \ub370 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\uc54c\uace0\ub9ac\uc998 \ub2e8\uacc4<\/h3>\n
    \n
  1. \uadf8\ub798\ud504\ub97c \uc778\uc811 \ub9ac\uc2a4\ud2b8 \ud615\ud0dc\ub85c \ud45c\ud604\ud569\ub2c8\ub2e4.<\/li>\n
  2. \ubaa8\ub4e0 \ub178\ub4dc\ub97c \ubc29\ubb38\ud560 \uc218 \uc788\ub3c4\ub85d \ubc18\ubcf5\ubb38\uc744 \uc2e4\ud589\ud569\ub2c8\ub2e4.<\/li>\n
  3. \ud604\uc7ac \uc815\uc810\uc5d0 \uc0c9\uce60\uc744 \ud558\uc5ec \ub450 \uadf8\ub8f9\uc73c\ub85c \ub098\ub215\ub2c8\ub2e4.<\/li>\n
  4. \uc778\uc811\ud55c \uc815\uc810\uc774 \uac19\uc740 \uc0c9\uae54\uc778\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n
  5. \ubaa8\ub4e0 \ub178\ub4dc\ub97c \ubc29\ubb38\ud558\uc600\uac70\ub098 \uac08 \uc218 \uc788\ub294 \ub178\ub4dc\ub97c \ubaa8\ub450 \ubc29\ubb38\ud560 \ub54c\uae4c\uc9c0 \ubc18\ubcf5\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n
    C++ \ucf54\ub4dc \uad6c\ud604<\/h2>\n
    \uc774 \ube44\ubc29\ud5a5 \uadf8\ub798\ud504\uc5d0\uc11c \uc774\ubd84 \uadf8\ub798\ud504\ub97c \ud310\ubcc4\ud558\uae30 \uc704\ud55c C++ \ucf54\ub4dc\ub97c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n
    \n#include <iostream>\n#include <vector>\n#include <queue>\n\nusing namespace std;\n\nconst int MAX = 1000; \/\/ \uc815\uc810\uc758 \ucd5c\ub300 \uac1c\uc218\nvector<int> graph[MAX];\nint color[MAX]; \/\/ \uc0c9\uc0c1 \uc124\uc815: -1\uc740 \ubbf8\ubc29\ubb38, 0\uacfc 1\uc740 \uadf8\ub8f9\n\nbool isBipartite(int start) {\n    queue<int> q;\n    q.push(start);\n    color[start] = 0; \/\/ \uc2dc\uc791 \uc815\uc810\uc5d0 \uc0c9\uce60\n\n    while (!q.empty()) {\n        int v = q.front();\n        q.pop();\n\n        for (int neighbor : graph[v]) {\n            \/\/ \uc774\uc6c3 \uc815\uc810\uc774 \ubc29\ubb38\ud558\uc9c0 \uc54a\uc558\ub2e4\uba74 \uc0c9\uce60\ud55c\ub2e4.\n            if (color[neighbor] == -1) {\n                color[neighbor] = 1 - color[v]; \/\/ \ud604\uc7ac \uc815\uc810\uacfc \ub2e4\ub978 \uc0c9\uc0c1\uc744 \ubd80\uc5ec\n                q.push(neighbor);\n            }\n            \/\/ \uc774\uc6c3 \uc815\uc810\uc774 \ud604\uc7ac \uc815\uc810\uacfc \uac19\uc740 \uc0c9\uc774\ub77c\uba74 \uc774\ubd84 \uadf8\ub798\ud504\uac00 \uc544\ub2c8\ub2e4.\n            else if (color[neighbor] == color[v]) {\n                return false; \/\/ \uc774\ubd84 \uadf8\ub798\ud504 \uc870\uac74 \uc704\ubc30\n            }\n        }\n    }\n    return true;\n}\n\nint main() {\n    int v, e;\n    cout << \"\uc815\uc810\uc758 \uac1c\uc218\uc640 \uac04\uc120\uc758 \uac1c\uc218\ub97c \uc785\ub825\ud558\uc138\uc694: \";\n    cin >> v >> e;\n\n    \/\/ \uadf8\ub798\ud504 \ucd08\uae30\ud654\n    for (int i = 0; i < MAX; i++) {\n        color[i] = -1;\n    }\n\n    cout << \"\uac04\uc120 \uc785\ub825 (\ud615\uc2dd: a b): \" << endl;\n    for (int i = 0; i < e; i++) {\n        int a, b;\n        cin >> a >> b;\n        graph[a].push_back(b);\n        graph[b].push_back(a); \/\/ \uc591\ubc29\ud5a5 \uadf8\ub798\ud504\n    }\n\n    bool result = true;\n    for (int i = 1; i <= v; i++) {\n        if (color[i] == -1) {\n            \/\/ \uc774 \uc815\uc810\uc774 \ubbf8\ubc29\ubb38 \uc0c1\ud0dc\ub77c\uba74 \uc774\ubd84 \uadf8\ub798\ud504 \ud310\ubcc4\n            if (!isBipartite(i)) {\n                result = false;\n                break;\n            }\n        }\n    }\n\n    if (result) {\n        cout << \"\uc774 \uadf8\ub798\ud504\ub294 \uc774\ubd84 \uadf8\ub798\ud504\uc785\ub2c8\ub2e4.\" << endl;\n    } else {\n        cout << \"\uc774 \uadf8\ub798\ud504\ub294 \uc774\ubd84 \uadf8\ub798\ud504\uac00 \uc544\ub2d9\ub2c8\ub2e4.\" << endl;\n    }\n\n    return 0;\n}\n<\/code><\/pre>\n
    \ucf54\ub4dc \uc124\uba85<\/h2>\n
    \uc774 \ucf54\ub4dc\ub294 \uc8fc\uc5b4\uc9c4 \uadf8\ub798\ud504\uc758 \uc815\uc810\uacfc \uac04\uc120\uc744 \uc785\ub825\ubc1b\uc544 \uadf8 \uadf8\ub798\ud504\uac00 \uc774\ubd84 \uadf8\ub798\ud504\uc778\uc9c0 \ud310\ub2e8\ud558\ub294 \uacfc\uc815\uc785\ub2c8\ub2e4. isBipartite<\/strong> \ud568\uc218\ub294 \ubaa8\ub4e0 \uc778\uc811\ud55c \uc815\uc810\uc774 \ub2e4\ub978 \uc0c9\uc0c1\uc73c\ub85c \ub418\uc5b4 \uc788\ub294\uc9c0 \uac80\uc0ac\ud569\ub2c8\ub2e4.<\/p>\n
    \ubcc0\uc218 \ubc0f \uad6c\uc870\uccb4 \uc124\uba85<\/h3>\n