{"id":618,"date":"2019-02-16T13:11:15","date_gmt":"2019-02-16T05:11:15","guid":{"rendered":"http:\/\/SmokeyDays.top\/wordpress\/?p=618"},"modified":"2019-02-16T13:11:15","modified_gmt":"2019-02-16T05:11:15","slug":"lp3615-%e5%a6%82%e5%8e%95%e8%ae%a1%e5%88%92","status":"publish","type":"post","link":"http:\/\/SmokeyDays.top\/wordpress\/2019\/02\/16\/lp3615-%e5%a6%82%e5%8e%95%e8%ae%a1%e5%88%92\/","title":{"rendered":"lp3615 \u5982\u5395\u8ba1\u5212"},"content":{"rendered":"\n<p>\u89c2\u5bdf\u9898\u9762\u6211\u4eec\u53ef\u4ee5\u53d1\u73b0\uff0c\u5982\u679c\u7537\u6027\u6bd4\u5973\u6027\u591a\u7684\u8bdd\uff0c\u663e\u7136\u662f\u65e0\u6cd5\u7b26\u5408\u8981\u6c42\u7684\uff1b\u5426\u5219\uff0c\u5973\u6027\u4f7f\u7528\u7537\u5973\u901a\u7528\u5355\u95f4\u7684\u4e2a\u6570\u4e0d\u5e94\u8be5\u8d85\u8fc7\u7537\u5973\u6027\u7684\u4eba\u6570\u5dee\u3002<br>\n\u6211\u4eec\u4e0d\u59a8\u628a\u90e8\u5206\u7684\u7537\u5973\u6027\u4eba\u6570\u5dee\u4e2a\u5973\u6027\u89c6\u4e3a\u7537\u6027\u2014\u2014\u8fd9\u662f\u4e00\u79cd\u8d2a\u5fc3\u7684\u505a\u6cd5\u3002\u4e8e\u662f\u5c31\u628a\u5973\u6027\u591a\u4e8e\u7537\u6027\u7684\u60c5\u51b5\u5f52\u7ea6\u6210\u4e86\u7537\u6027\u548c\u5973\u6027\u76f8\u540c\u7684\u60c5\u51b5\u3002<br>\n\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u4efb\u4f55\u65f6\u5019\u90fd\u4e0d\u5e94\u8be5\u6709\u5973\u6027\u8fdb\u5165\u7537\u5973\u901a\u7528\u5355\u95f4\u3002\u8fd9\u4e5f\u5c31\u610f\u5473\u7740\uff0c\u5982\u679c\u4ee4\u7537\u6027\u4e3a1\uff0c\u5973\u6027\u4e3a-1\uff0c\u90a3\u4e48\u5728\u4efb\u4f55\u65f6\u5019\uff0c\u6570\u5217\u7684\u524d\u7f00\u548c\u90fd\u5e94\u8be5\u4fdd\u8bc1\u4e3a\u5927\u4e8e\u7b49\u4e8e-1\u3002<br>\n\u7136\u800c\uff0c\u8981\u4fdd\u8bc1\u4e00\u4e2a\u524d\u7f00\u548c\u59cb\u7ec8\u5927\u4e8e\u67d0\u4e2a\u6570\u662f\u5f88\u96be\u7ef4\u62a4\u7684\u2014\u2014\u8fd9\u662f\u56e0\u4e3a\u4f4d\u4e8e\u540e\u9762\u7684\u4fe1\u606f\u6211\u4eec\u65e0\u6cd5\u5f97\u5230\u3002\u6211\u4eec\u8003\u8651\u7ef4\u62a4\u540e\u7f00\u548c\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u9884\u5148\u5f97\u5230\u4f4d\u4e8e\u540e\u9762\u7684\u4fe1\u606f\u4e86\u3002<br>\n\u4e8e\u662f\uff0c\u6211\u4eec\u8003\u8651\u5bf9\u6bcf\u4e00\u6bb5\u8ba1\u7b97\u5b83\u7684\u8d21\u732e\u3002 <\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include&lt;iostream>\n#include&lt;cstdio>\n#include&lt;cstring>\n\ninline long long Max(long long A,long long B){\n\treturn A>B?A:B;\n}\ninline long long Min(long long A,long long B){\n\treturn A&lt;B?A:B;\n}\n\nlong long n,m;\nint len;\nchar ch[200005];\nlong long dlt=0,a[200005],mx[200005],l[200005];\nvoid init(){\n\tscanf(\"%lld%lld\",&amp;n,&amp;m);\n\tfor(int i=1;i&lt;=m;++i){\n\t\tstd::cin>>ch+1;\n\t\tlen=strlen(ch+1);\n\t\tscanf(\"%lld\",&amp;l[i]);\n\t\tfor(int j=len;j>=1;--j){\n\t\t\ta[i]+=(ch[j]=='M'?1:-1); \n\t\t\tmx[i]=Max(mx[i],a[i]);\n\t\t}\n\t\tdlt+=a[i]*l[i];\n\t}\n\tif(dlt>0){\n\t\tputs(\"-1\");\n\t\treturn ;\n\t}\n\tlong long nw=0,ans=1;\n\tfor(int i=m;i>=1;--i){\n\t\tif(a[i]>0){\n\t\t\tans=Max(ans,(l[i]-1)*a[i]+nw+mx[i]);\n\t\t}else{\n\t\t\tans=Max(ans,nw+mx[i]);\n\t\t}\n\t\tnw+=l[i]*a[i];\n\t}\n\tprintf(\"%lld\",ans-1);\n}\n\nint main(){\n\tfreopen(\"queue.in\",\"r\",stdin);\n\tfreopen(\"queue.out\",\"w\",stdout);\n\tinit();\n\treturn 0;\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u89c2\u5bdf\u9898\u9762\u6211\u4eec\u53ef\u4ee5\u53d1\u73b0\uff0c\u5982\u679c\u7537\u6027\u6bd4\u5973\u6027\u591a\u7684\u8bdd\uff0c\u663e\u7136\u662f\u65e0\u6cd5\u7b26\u5408\u8981\u6c42\u7684\uff1b\u5426\u5219\uff0c\u5973\u6027\u4f7f\u7528\u7537\u5973\u901a\u7528\u5355\u95f4\u7684\u4e2a\u6570\u4e0d\u5e94\u8be5\u8d85\u8fc7\u7537 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/SmokeyDays.top\/wordpress\/2019\/02\/16\/lp3615-%e5%a6%82%e5%8e%95%e8%ae%a1%e5%88%92\/\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201clp3615 \u5982\u5395\u8ba1\u5212\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":[34,8,6,87,5],"tags":[],"_links":{"self":[{"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/posts\/618"}],"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=618"}],"version-history":[{"count":1,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/posts\/618\/revisions"}],"predecessor-version":[{"id":619,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/posts\/618\/revisions\/619"}],"wp:attachment":[{"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/media?parent=618"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/categories?post=618"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/tags?post=618"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}