{"description":"\u3042\u307e\u308a\u5e83\u307e\u3063\u3066\u304a\u3089\u305a\u77e5\u308b\u4eba\u305e\u77e5\u308b\u30c6\u30af\u307f\u305f\u3044\u306b\u306a\u3063\u3066\u308b\u6c17\u304c\u3057\u305f\u306e\u3067\u3002\u30b0\u30ea\u30c3\u30c9\u4e0a\u3067BFS\u3092\u3059\u308b\u3068\u304d\u306b\u3001\u5358\u7d14\u306b\u66f8\u304f\u3068\u3053\u306e\u3088\u3046\u306a\u611f\u3058\u306b\u306a\u308b\u3068\u601d\u3044\u307e\u3059\u3002 bool bfs(const vector<vector<int>>& grid, int r, int c) { vector<pair<int, int>> queue = { {r, c} }; vector<vector<bool>> visited(H, vector<bool>(W)); visited[r][c] = true; int qi = 0; while (qi < queue.size()) { auto [cr, cc] =\u2026","author_name":"tomerun","version":"1.0","published":"2022-11-06 14:51:56","blog_url":"https://topcoder-tomerun.hatenablog.jp/","width":"100%","categories":[],"type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftopcoder-tomerun.hatenablog.jp%2Fentry%2F2022%2F11%2F06%2F145156\" title=\"BFS\u3092\u7e70\u308a\u8fd4\u3059\u3068\u304d\u306b\u8a2a\u554f\u6e08\u307f\u304b\u3092\u8a18\u9332\u3059\u308b\u914d\u5217\u3092\u6bce\u56de\u521d\u671f\u5316\u3057\u306a\u304f\u3066\u826f\u304f\u3059\u308b\u30a2\u30ec - TopCoder\u306e\u5b66\u7fd2\u306e\u304a\u6642\u9593\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://topcoder-tomerun.hatenablog.jp/entry/2022/11/06/145156","image_url":null,"height":"190","title":"BFS\u3092\u7e70\u308a\u8fd4\u3059\u3068\u304d\u306b\u8a2a\u554f\u6e08\u307f\u304b\u3092\u8a18\u9332\u3059\u308b\u914d\u5217\u3092\u6bce\u56de\u521d\u671f\u5316\u3057\u306a\u304f\u3066\u826f\u304f\u3059\u308b\u30a2\u30ec","blog_title":"TopCoder\u306e\u5b66\u7fd2\u306e\u304a\u6642\u9593","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/tomerun/","provider_name":"Hatena Blog"}