{"id":239,"date":"2023-09-09T21:52:26","date_gmt":"2023-09-09T13:52:26","guid":{"rendered":"https:\/\/blog.n-bc.top\/?p=239"},"modified":"2023-09-09T21:52:26","modified_gmt":"2023-09-09T13:52:26","slug":"c%ef%bc%9a%e9%82%bb%e6%8e%a5%e7%9f%a9%e9%98%b5%e5%ad%98%e5%9b%be","status":"publish","type":"post","link":"https:\/\/www.n-bc.top\/?p=239","title":{"rendered":"C++\uff1a\u90bb\u63a5\u77e9\u9635\u5b58\u56fe"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u7ed9\u5b9an\u4e2a\u70b9, m\u6761\u5355\u5411\u8fb9&nbsp;&nbsp;n&lt;=1000, m &lt;= 100000<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6709k\u4e2a\u8be2\u95ee\uff0c\u8be2\u95eex\u51fa\u53bb\u7684\u6240\u6709\u8fb9\u53ca\u5176\u6743\u503c\uff0c\u5982\u679c\u6709\u591a\u6761\u8fb9\uff0c\u7ec8\u70b9\u7f16\u53f7\u5c0f\u7684\u5148\u8f93\u51fa\uff0c\u5177\u4f53\u89c1\u6837\u4f8b<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">\u8f93\u5165\u683c\u5f0f(Format Input)<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b2c\u4e00\u884c\u8f93\u5165\u4e24\u4e2a\u6574\u6570n\u548cm\uff0c\u8868\u793a\u6709n\u4e2a\u70b9\u548cm\u6761\u8fb9\u3002 \u63a5\u4e0b\u6765\u8f93\u5165m\u884c\uff0c\u6bcf\u884c\u4e09\u4e2a\u6574\u6570x y z\uff0c\u8868\u793ax\u5230y\u6709\u4e00\u6761\u6743\u503c\u4e3az\u7684\u5355\u5411\u8fb9\u3002\u5982\u679c\u4e24\u4e2a\u70b9\u4e4b\u95f4\u6709\u591a\u6761\u8fb9\uff0c\u4fdd\u7559\u6743\u503c\u6700\u5c0f\u7684\u4e00\u6761\u3002 \u8f93\u5165\u4e00\u4e2a\u6570\u5b57k\uff0c\u8868\u793a\u6709k\u4e2a\u8be2\u95ee\uff08k&lt;=n\uff09\u3002 \u63a5\u4e0b\u6765\u8f93\u5165k\u884c\uff0c\u6bcf\u884c\u8f93\u5165\u4e00\u4e2a\u6574\u6570x\uff08x\u8868\u793a\u8282\u70b9\u7f16\u53f7\uff09\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u8f93\u51fa\u683c\u5f0f(Format Output)<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u6bcf\u4e00\u4e2a\u8be2\u95eex\uff0c\u8f93\u5165\u4e0ex\u76f8\u8fde\u7684\u8fb9\uff0c\u6bcf\u6761\u8fb9\u5360\u4e00\u884c\uff0c\u5bf9\u4e8e\u6bcf\u6761\u8fb9\u5148\u8f93\u51fa\u7ec8\u70b9\u7f16\u53f7\uff0c\u518d\u8f93\u51fa\u8fb9\u6743\uff0c\u4e2d\u95f4\u7528\u7a7a\u683c\u9694\u5f00\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">\u8f93\u5165\u6837\u4f8b(Sample Input)\u00a0<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">4 5 <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1 2 5 <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1 3 4 <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2 4 3 <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1 4 8 1 3 3 <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2 <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> 2<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u8f93\u51fa\u6837\u4f8b(Sample Output)<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">2 5 3 3 4 8 4 3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u524d\u9879\u661f\u5199\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include&lt;bits\/stdc++.h>\nusing namespace std;\nint n,m,k,cnt=0;\/\/cnt\u8868\u793a\u7b2ci\u6761\u8fb9\uff0c\u9ed8\u8ba4\u4e3a0\u3002 k:\u51e0\u7ec4\u67e5\u8be2 \nint last&#91;1010];\/\/last&#91;i]\u4ee3\u8868i\u540e\u7684\u7b2c\u4e00\u4e2a\u8fb9\u3002\nint nxt&#91;1010];\/\/nxt&#91;i]\u4ee3\u8868\u7b2ci\u6761\u8fb9\u7684\u4e0b\u4e00\u6761\u8fb9\u3002\nint w&#91;1010];\/\/w&#91;i]\u4ee3\u8868\u7b2ci\u6761\u8fb9\u7684\u6743\u503c\u3002\nint ed&#91;1010];\/\/ed&#91;i]\u8868\u793a\u7b2ci\u6761\u8fb9\u7684\u201c\u7ec8\u70b9\u201d\u3002\nvoid edge(int x,int y,int z)\/\/\u65b0\u589e\u4e00\u6761\u4ecex\u81f3y\uff0c\u8fb9\u6743\u4e3az\u7684\u8fb9\u3002\n{\n\tcnt++;\/\/\u6b64\u4e43\u7b2ci\u6761\u8fb9\uff01\n\ted&#91;cnt]=y,w&#91;cnt]=z;\/\/i\u6761\u8fb9\u7ec8\u70b9\u4e3ay,\u8fb9\u6743\u4e3az\u3002\n\t\/\/\u524d\u63d2\u6cd5 \u5c06\u6570\u636e\u4ece\u201c\u5934 \u201d\u63d2\u5165 \u3002 \n\tnxt&#91;cnt]=last&#91;x];\/\/i\u7684\u4e0b\u4e00\u6761\u8fb9\u4e3a\u7b2cx\uff08\u8d77\u70b9\uff09\u70b9\u540e\u7684\u7b2c\u4e00\u6761\u8fb9\u3002 \n\tlast&#91;x]=cnt;\/\/x\uff08\u8d77\u70b9\uff09\u70b9\u540e\u7684\u7b2c\u4e00\u6761\u8fb9\u4e3a\u7b2ci\u6761\u8fb9\u3002 \n\t\/\/\u6ce8\u610f\uff01\u5148\u8ba9i\u7684\u4e0b\u4e00\u6761\u8fb9\u4e3a\u7b2cx\uff08\u8d77\u70b9\uff09\u70b9\u540e\u7684\u7b2c\u4e00\u6761\u8fb9\uff0c\u518d\u8ba9x\uff08\u8d77\u70b9\uff09\u70b9\u540e\u7684\u7b2c\u4e00\u6761\u8fb9\u4e3a\u7b2ci\u6761\u8fb9\u3002\u8fd9\u6837\u624d\u4e0d\u4f1a\u5c06\u56fe\u201c\u65ad\u6389 \u201d\u3002 \n}\nint main()\n{\n\tcin>>n>>m;\n\tfor(int i=1;i&lt;=m;i++)\n\t{\n\t\tint x,y,z;\n\t\tcin>>x>>y>>z;\n\t\tedge(x,y,z);\/\/\u65b0\u589e\u4e00\u6761\u4ecex\u81f3y\uff0c\u8fb9\u6743\u4e3az\u7684\u8fb9\u3002 \n\t}\n\tcin>>k;\n\tfor(int i=1;i&lt;=k;i++)\n\t{\n\t\tint x;\n\t\tcin>>x;\/\/\u952e\u5165\u8981\u67e5\u8be2\u7684\u8282\u70b9\u3002 \n\t\tfor(int j=last&#91;x];j;j=nxt&#91;j])\t\/\/\u8bbej\u4e3a x\u540e\u7684\u7b2c\u4e00\u6761\u8fb9\u3002\u5982\u679cj!=0\uff0c\u5c31\u4e00\u76f4\u8fd0\u884c\u3002\u8fd9\u904d\u5faa\u73af\u540e\uff0cj\u6765\u5230j+1\u6761\u8fb9\u3002 \n\t\t{\n\t\t\tcout&lt;&lt;ed&#91;j]&lt;&lt;\" \"&lt;&lt;w&#91;j]&lt;&lt;endl;\t\/\/\u8f93\u51fa\u7ec8\u70b9\u4e0e\u8fb9\u6743\u3002 \n\t\t}\n\t}\n\treturn 0;\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u7531\u4e8e\u672c\u4eba\u592a\u83dc\u4e86\ud83d\ude2d\uff0c\u53ea\u4f1a\u524d\u63d2\u6cd5\uff0c\u6240\u4ee5\u8fd8\u662f\u7528\u66b4\u529b\u70b9\u7684\u6cd5\u5b50\u5427\u3002\u8fd9\u6cd5\u5b50\u5b58\u50a8\u7684\u662f\u70b9\uff0c\u4e0a\u8fb9\u7684\u662f\u8fb9\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include&lt;bits\/stdc++.h>\nusing namespace std;\nint n,m,k;\nint g&#91;1001]&#91;1001];\nint main()\n{\n\tcin>>n>>m;\n\tmemset(g,-1,sizeof(g));\/\/\u521d\u59cb\u503c\u5168\u5217\u4e3a-1\uff0c\u7531\u4e8e\u672c\u4f53\u65e0\u8d1f\u6743\u8fb9\uff0cso\uff0c\u65e0\u4f24\u5927\u96c5\u3002\n\tfor(int i=1;i&lt;=m;i++)\n\t{\n\t\tint x,y,z;\n\t\tcin>>x>>y>>z;\n\t\tif(g&#91;x]&#91;y]==-1) g&#91;x]&#91;y]=z;\/\/\u5982\u679c\u76f4\u63a5min\uff0cg&#91;x]&#91;y]\u6c38\u8fdc\u4e3a-1\uff0cso\uff0c\u7279\u5224\u4e00\u4e0b\u3002\n\t\telse g&#91;x]&#91;y]=min(g&#91;x]&#91;y],z);\n\t}\n\tcin>>k;\n\tfor(int i=1;i&lt;=k;i++)\n\t{\n\t\tint x;\n\t\tcin>>x;\n\t\tfor(int j=1;j&lt;=n;j++)\/\/\u5feb\u4e50\u5730\u5faa\u73afn\u6b21\u3002\n\t\t{\n\t\t\tif(g&#91;x]&#91;j]!=-1)\/\/\u6709\u8fb9\u6743\uff01\uff01\uff01\n\t\t\t{\n\t\t\t\tcout&lt;&lt;j&lt;&lt;\" \"&lt;&lt;g&#91;x]&#91;j]&lt;&lt;endl;\/\/\u5feb\u4e50\u5730\u8f93\u51fa\n\t\t\t}\n\t\t}\n\t}\n\treturn 0;\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u7ed9\u5b9an\u4e2a\u70b9, m\u6761\u5355\u5411\u8fb9&nbsp;&nbsp;n&lt;=1000, m &lt;= 100000 \u6709k\u4e2a\u8be2\u95ee\uff0c\u8be2\u95eex\u51fa\u53bb\u7684\u6240\u6709\u8fb9\u53ca\u5176\u6743\u503c\uff0c\u5982\u679c\u6709\u591a\u6761\u8fb9\uff0c\u7ec8\u70b9\u7f16\u53f7\u5c0f\u7684\u5148\u8f93\u51fa\uff0c\u5177\u4f53\u89c1\u6837\u4f8b \u8f93\u5165\u683c\u5f0f(Format Input) \u7b2c\u4e00\u884c\u8f93\u5165\u4e24\u4e2a\u6574\u6570n\u548cm\uff0c\u8868\u793a\u6709n\u4e2a\u70b9\u548cm\u6761\u8fb9\u3002 \u63a5\u4e0b\u6765\u8f93\u5165m\u884c\uff0c\u6bcf\u884c\u4e09\u4e2a\u6574\u6570x y z\uff0c\u8868\u793ax\u5230y\u6709\u4e00\u6761\u6743\u503c\u4e3az\u7684\u5355\u5411\u8fb9\u3002\u5982\u679c\u4e24\u4e2a\u70b9\u4e4b\u95f4\u6709\u591a\u6761\u8fb9\uff0c\u4fdd\u7559\u6743\u503c\u6700\u5c0f\u7684\u4e00\u6761\u3002 \u8f93\u5165\u4e00\u4e2a\u6570\u5b57k\uff0c\u8868\u793a\u6709k\u4e2a\u8be2\u95ee\uff08k&lt;=n\uff09\u3002 \u63a5\u4e0b\u6765\u8f93\u5165k\u884c\uff0c\u6bcf\u884c\u8f93\u5165\u4e00\u4e2a\u6574\u6570x\uff08x\u8868\u793a\u8282\u70b9\u7f16\u53f7\uff09\u3002 \u8f93\u51fa\u683c\u5f0f(Format Output) \u5bf9\u4e8e\u6bcf\u4e00\u4e2a\u8be2\u95eex\uff0c\u8f93\u5165\u4e0ex\u76f8\u8fde\u7684\u8fb9\uff0c\u6bcf\u6761\u8fb9\u5360\u4e00\u884c\uff0c\u5bf9\u4e8e\u6bcf\u6761\u8fb9\u5148\u8f93\u51fa\u7ec8\u70b9\u7f16\u53f7\uff0c\u518d\u8f93\u51fa\u8fb9\u6743\uff0c\u4e2d\u95f4\u7528\u7a7a\u683c\u9694\u5f00\u3002 \u8f93\u5165\u6837\u4f8b(Sample Input)\u00a0 4 5 1 2 5 1 3 4 2 4 3 1 4 8 1 3 3 2 2 \u8f93\u51fa\u6837\u4f8b(Sample Output) 2 5 3 3 4 8 4 3 \u524d\u9879\u661f\u5199\u6cd5\uff1a \u4f46\u7531\u4e8e\u672c\u4eba\u592a\u83dc\u4e86\ud83d\ude2d\uff0c\u53ea\u4f1a\u524d\u63d2\u6cd5\uff0c\u6240\u4ee5\u8fd8\u662f\u7528\u66b4\u529b\u70b9\u7684\u6cd5\u5b50\u5427\u3002\u8fd9\u6cd5\u5b50\u5b58\u50a8\u7684\u662f\u70b9\uff0c\u4e0a\u8fb9\u7684\u662f\u8fb9\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,3],"tags":[],"class_list":["post-239","post","type-post","status-publish","format-standard","hentry","category-uncategorized","category-js","entry"],"_links":{"self":[{"href":"https:\/\/www.n-bc.top\/index.php?rest_route=\/wp\/v2\/posts\/239","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.n-bc.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.n-bc.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.n-bc.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.n-bc.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=239"}],"version-history":[{"count":0,"href":"https:\/\/www.n-bc.top\/index.php?rest_route=\/wp\/v2\/posts\/239\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.n-bc.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=239"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.n-bc.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=239"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.n-bc.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=239"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}