{"id":1697,"date":"2020-08-02T09:57:21","date_gmt":"2020-08-02T01:57:21","guid":{"rendered":"http:\/\/bloo.heing.fun\/?p=1697"},"modified":"2020-08-02T10:04:43","modified_gmt":"2020-08-02T02:04:43","slug":"bfs-%e6%96%b0%e6%80%9d%e7%b4%a2","status":"publish","type":"post","link":"https:\/\/bloo.heing.fun\/?p=1697","title":{"rendered":"bfs \u65b0\u601d\u7d22"},"content":{"rendered":"\n<p>\u6700\u8fd1\u7ee7\u7eed\u505abfs tag\u7684\u9898\uff0c\u6709\u4e86\u4e00\u4e9b\u65b0\u7684\u601d\u7d22\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>\u6bcf\u6b21bfs\u7684\u65f6\u5019\uff0c\u6211\u4eec\u603b\u628a\u65b0\u5143\u7d20\u653e\u5230\u961f\u5217\u540e\u9762\u3002\u4f46\u5176\u5b9e\u6211\u4eec\u5e38\u5e38\u9047\u5230\u7684\u8fd9\u79cd\u60c5\u51b5 \u662f\u53e6\u5916\u4e00\u79cd\u60c5\u51b5\u7684\u7b80\u5316\u7248\uff0c\u5728\u90a3\u4e00\u79cdhard\u6a21\u5f0f\u7684\u7248\u672c\u4e2d\uff0c\u961f\u5217\u662f\u7528\u7684\u53cc\u7aef\u961f\u5217\u3002<ol><li>\u82e5\u65b0\u5143\u7d20\u4e0e\u5f53\u524d\u76f8\u6bd4 \u5e76\u6ca1\u6709\u5b9e\u9645\u7684\u8fdb\u5c55\uff0c\u5219\u65b0\u5143\u7d20\u88ab\u653e\u5230\u961f\u9996\uff0c\u53cd\u4e4b\u653e\u5230\u961f\u5c3e\u3002\u8fd9\u65f6\uff0c\u6574\u4e2a\u53cc\u7aef\u961f\u5217\u5206\u4e3a\u4e24\u7ea7\u3001\u5206\u4e3a\u4e24\u90e8\u5206\uff0c\u524d\u9762\u7684\u662f\u540c\u4e00\u7ea7\u7684\uff0c\u540e\u9762\u7684\u4e0b\u4e00\u7ea7\u7684\u3002\u5177\u4f53\u9898\u578b\u89c1<a href=\"https:\/\/leetcode-cn.com\/problems\/minimum-moves-to-move-a-box-to-their-target-location\/\">lc1263 \u63a8\u7bb1\u5b50 <\/a><\/li><\/ol><\/li><\/ol>\n\n\n\n<p>    2. \u5728bfs\u65f6\uff0c\u6211\u4eec\u4f7f\u7528vis\u6765\u6807\u8bb0\u67d0\u4e2a\u5143\u7d20\u662f\u5426\u66fe\u7ecf\u8bbf\u95ee\u8fc7\u3002\u5728\u4e00\u4e2a\u56fe\u4e2d\uff0c\u82e5\u8fd9\u79cd\u904d\u5386\u8fb9 \u5e76 \u5224\u65ad\u662f\u5426\u66fe\u7ecf\u8bbf\u95ee\u8fc7\u7684\u884c\u4e3a\u5c31\u6709\u5f88\u591a\u65f6\u95f4\u5f00\u9500\u4e86\uff0c\u90a3\u6211\u4eec\u5c31\u53ef\u4ee5\u91c7\u7528list\u6765\u8bb0\u5f55\u67d0\u4e2a\u8282\u70b9\u7684\u8fb9\u4eec\uff0c\u5e76\u5c06\u8bbf\u95ee\u8fc7\u7684\u8fb9\u53bb\u6389\uff0c\u5177\u4f53\u9898\u76ee\u89c1<a href=\"https:\/\/leetcode-cn.com\/problems\/jump-game-iv\/\">lc1345 \u8df3\u8dc3\u6e38\u620fIV<\/a>\u3002list\u76f8\u5173\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>        auto it = list.begin();\n        while (it != list.end()) {\n          int next_x = (*it);\n          if (!vis&#91;next_x]) {\n            vis&#91;next_x] = true;\n            q.push(next_x);\n            if (next_x == desi) {\n              return step;\n            }\n            list.erase(it++);\n          } else {\n            it++;\n          }\n        }<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u6700\u8fd1\u7ee7\u7eed\u505abfs tag\u7684\u9898\uff0c\u6709\u4e86\u4e00\u4e9b\u65b0\u7684\u601d\u7d22\u3002 \u6bcf\u6b21bfs\u7684\u65f6\u5019\uff0c\u6211\u4eec\u603b\u628a\u65b0\u5143\u7d20\u653e\u5230\u961f\u5217\u540e\u9762\u3002\u4f46\u5176\u5b9e\u6211\u4eec\u5e38\u5e38 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[73,36],"tags":[],"class_list":["post-1697","post","type-post","status-publish","format-standard","hentry","category-73","category-36"],"_links":{"self":[{"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=\/wp\/v2\/posts\/1697","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1697"}],"version-history":[{"count":4,"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=\/wp\/v2\/posts\/1697\/revisions"}],"predecessor-version":[{"id":1701,"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=\/wp\/v2\/posts\/1697\/revisions\/1701"}],"wp:attachment":[{"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1697"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1697"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1697"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}