{"id":556,"date":"2019-01-04T15:40:27","date_gmt":"2019-01-04T07:40:27","guid":{"rendered":"http:\/\/SmokeyDays.top\/wordpress\/?p=556"},"modified":"2019-01-04T15:40:27","modified_gmt":"2019-01-04T07:40:27","slug":"lp1963-noi2009-%e5%8f%98%e6%8d%a2%e5%ba%8f%e5%88%97","status":"publish","type":"post","link":"http:\/\/SmokeyDays.top\/wordpress\/2019\/01\/04\/lp1963-noi2009-%e5%8f%98%e6%8d%a2%e5%ba%8f%e5%88%97\/","title":{"rendered":"lp1963 NOI2009 \u53d8\u6362\u5e8f\u5217"},"content":{"rendered":"\n

\u5982\u679c\u77e5\u9053\u8fd9\u9053\u9898\u662f\u4e00\u4e2a\u4e8c\u5206\u56fe\u5339\u914d\uff0c\u5c31\u663e\u5f97\u975e\u5e38\u7b80\u5355\u4e86\u3002
\n\u9996\u5148\u6211\u4eec\u5bf9\u539f\u5e8f\u5217\u548c\u53d8\u6362\u5e8f\u5217\u5404\u81ea\u5efa\u4e00\u4e2a\u70b9\u3002
\n\u7136\u540e\uff0c\u5bf9\u4e8e\u6bcf\u4e00\u7ec4\u7ea6\u675f\u6761\u4ef6\\(D_{i}\\)\uff0c\u6211\u4eec\u5411\u6240\u6709\u5230\\(i\\)\u7684\u8ddd\u79bb\u4e3a\\(D_{i}\\)\u7684\u70b9\u8fde\u4e00\u6761\u8fb9\u3002
\n\u7136\u540e\u5148\u8dd1\u4e00\u904d\u4e8c\u5206\u56fe\u6700\u5927\u5339\u914d\u3002\u5982\u679c\u5168\u90e8\u90fd\u80fd\u5339\u914d\u4e0a\u5c31\u8bf4\u660e\u6709\u89e3\u3002<\/p>\n\n\n\n

\u4f46\u662f\u9898\u76ee\u8981\u6c42\u5b57\u5178\u5e8f\u8f93\u51fa\u8fd9\u7ec4\u89e3\uff0c\u600e\u4e48\u529e\u5462\uff1f
\n\u8fd9\u4e48\u505a\u7684\u610f\u601d\u5c31\u662f\uff0c\u5bf9\u4e8e\u4e00\u4e2a\u5c3d\u53ef\u80fd\u5c0f\u7684\u6570\\(i\\)\uff0c\u5b83\u5339\u914d\u7684\u6570\\(T_{i}\\)\u4e5f\u8981\u5c3d\u53ef\u80fd\u5c0f\u3002
\n\u6545\u800c\uff0c\u641c\u7d22\u7684\u65f6\u5019\u4ece\u5927\u5f80\u5c0f\u5373\u53ef\u3002 <\/p>\n\n\n\n

#include<iostream>\n#include<cstdio>\nint n,D[10005];\nint vis[10005],dep=0;\nint usd[10005];\n\ninline bool dfs(int X){\n\tint up=(X+D[X]-1)%n+1,dw=(X-D[X]+n-1)%n+1;\n\tif(up<dw){\n\t\tstd::swap(up,dw);\n\t}\n\/\/\tprintf(\"%d %d\\n\",up,dw);\n\tif(!usd[dw]&&vis[dw]!=dep){\n\t\tvis[dw]=dep;\n\t\tusd[dw]=X;\n\t\treturn 1;\n\t}\n\tif(vis[dw]!=dep){\n\t\tvis[dw]=dep;\n\t\tif(dfs(usd[dw])){\n\t\t\tusd[dw]=X;\n\t\t\treturn 1;\n\t\t}\n\t}\n\tif(!usd[up]&&vis[up]!=dep){\n\t\tvis[up]=dep;\n\t\tusd[up]=X;\n\t\treturn 1;\n\t}\n\tif(vis[up]!=dep){\n\t\tvis[up]=dep;\n\t\tif(dfs(usd[up])){\n\t\t\tusd[up]=X;\n\t\t\treturn 1;\n\t\t}\n\t}\n\t\n\treturn 0;\n}\nint Ans[10005];\nvoid init(){\n\tscanf(\"%d\",&n);\n\tfor(int i=1;i<=n;++i){\n\t\tscanf(\"%d\",&D[i]);\n\t}\n\tint ans=0;\n\tfor(int i=n;i>=1;--i){\n\t\t++dep;\n\t\tif(dfs(i)){\n\t\t\t++ans;\n\t\t}else{\n\t\t\tbreak;\n\t\t}\n\t}\n\tif(ans<n){\n\t\tputs(\"No Answer\");\n\t}else{\n\t\tfor(int i=1;i<=n;++i){\n\t\t\tAns[usd[i]]=i;\n\t\t}\n\t\tfor(int i=1;i<=n;++i){\n\t\t\tprintf(\"%d \",Ans[i]-1);\n\t\t}\n\t}\n}\n\nint main(){\n\tinit();\n\treturn 0;\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u5982\u679c\u77e5\u9053\u8fd9\u9053\u9898\u662f\u4e00\u4e2a\u4e8c\u5206\u56fe\u5339\u914d\uff0c\u5c31\u663e\u5f97\u975e\u5e38\u7b80\u5355\u4e86\u3002 \u9996\u5148\u6211\u4eec\u5bf9\u539f\u5e8f\u5217\u548c\u53d8\u6362\u5e8f\u5217\u5404\u81ea\u5efa\u4e00\u4e2a\u70b9\u3002 \u7136\u540e\uff0c\u5bf9\u4e8e\u6bcf\u4e00\u7ec4 … <\/p>\n
\u7ee7\u7eed\u9605\u8bfb\u201clp1963 NOI2009 \u53d8\u6362\u5e8f\u5217\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[50,65,67,30,6,5],"tags":[],"_links":{"self":[{"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/posts\/556"}],"collection":[{"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/comments?post=556"}],"version-history":[{"count":1,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/posts\/556\/revisions"}],"predecessor-version":[{"id":557,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/posts\/556\/revisions\/557"}],"wp:attachment":[{"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/media?parent=556"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/categories?post=556"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/tags?post=556"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}