{"id":940,"date":"2019-10-05T15:34:44","date_gmt":"2019-10-05T07:34:44","guid":{"rendered":"http:\/\/SmokeyDays.top\/wordpress\/?p=940"},"modified":"2019-10-05T15:34:44","modified_gmt":"2019-10-05T07:34:44","slug":"p1083-noip2012-%e5%80%9f%e6%95%99%e5%ae%a4","status":"publish","type":"post","link":"http:\/\/SmokeyDays.top\/wordpress\/2019\/10\/05\/p1083-noip2012-%e5%80%9f%e6%95%99%e5%ae%a4\/","title":{"rendered":"P1083 NOIP2012 \u501f\u6559\u5ba4"},"content":{"rendered":"\n<h2><\/h2>\n\n\n\n<p>\u672c\u8d28\u4e0a\u662f\u533a\u95f4\u51cf\u533a\u95f4\u6700\u5c0f\u503c\u3002<br>\n\u8003\u8651\u5230\u5148\u64cd\u4f5c\u518d\u8be2\u95ee\uff0c\u5dee\u5206\u52a0\u524d\u7f00\u548c\u5373\u53ef\u3002<br>\n\u5bf9\u4e8e\u9898\u76ee\u8981\u6c42\u7684\u90a3\u4e2a\u7b54\u6848\uff0c\u6211\u4eec\u627e\u5230\u7b2c\u4e00\u4e2a\u4e0d\u5408\u6cd5\u7684\u70b9\uff0c\u7136\u540e\u679a\u4e3e\u6bcf\u4e00\u4e2a\u8be2\u95ee\u548c\u5b83\u6bd4\u8f83\u5373\u53ef<br>\n\u590d\u6742\u5ea6O(n+m)<\/p>\n\n\n\n<p><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include&lt;iostream>\n#include&lt;cstdio>\n#include&lt;cstring>\n#include&lt;algorithm>\n#include&lt;queue>\n#include&lt;vector>\nusing namespace std;\n \ntypedef long long ll;\nconst int N=1000005;\nll a[N],val[N];\nint qx[N],ql[N],qr[N];\nint n,m;\nvoid init(){\n\tscanf(\"%d%d\",&amp;n,&amp;m);\n\tfor(int i=1;i&lt;=n;++i){\n\t\tscanf(\"%lld\",&amp;a[i]);\n\t}\n\tfor(int i=1;i&lt;=m;++i){\n\t\tscanf(\"%d%d%d\",&amp;qx[i],&amp;ql[i],&amp;qr[i]);\n\t\tval[ql[i]]+=qx[i],val[qr[i]+1]-=qx[i];\n\t}\n\tint loc=0;\n\tfor(int i=1;i&lt;=n;++i){\n\t\tval[i]+=val[i-1];\n\t\tif(val[i]>a[i]){\n\t\t\tloc=i;\n\t\t\tbreak;\n\t\t}\n\t}\n\tif(!loc){\n\t\tputs(\"0\");\n\t\treturn;\n\t}\n\tll cnt=0;\n\tfor(int i=1;i&lt;=m;++i){\n\t\tif(ql[i]&lt;=loc&amp;&amp;qr[i]>=loc){\n\t\t\tif(cnt+qx[i]>a[loc]){\n\t\t\t\tputs(\"-1\");\n\t\t\t\tprintf(\"%d\\n\",i);\n\t\t\t\treturn;\n\t\t\t}else{\n\t\t\t\tcnt+=qx[i];\n\t\t\t}\n\t\t}\n\t}\n}\nint main(){\n\tinit();\n\treturn 0;\n}\n\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u8d28\u4e0a\u662f\u533a\u95f4\u51cf\u533a\u95f4\u6700\u5c0f\u503c\u3002 \u8003\u8651\u5230\u5148\u64cd\u4f5c\u518d\u8be2\u95ee\uff0c\u5dee\u5206\u52a0\u524d\u7f00\u548c\u5373\u53ef\u3002 \u5bf9\u4e8e\u9898\u76ee\u8981\u6c42\u7684\u90a3\u4e2a\u7b54\u6848\uff0c\u6211\u4eec\u627e\u5230\u7b2c\u4e00\u4e2a\u4e0d\u5408 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/SmokeyDays.top\/wordpress\/2019\/10\/05\/p1083-noip2012-%e5%80%9f%e6%95%99%e5%ae%a4\/\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201cP1083 NOIP2012 \u501f\u6559\u5ba4\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":[118,52,6],"tags":[],"_links":{"self":[{"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/posts\/940"}],"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=940"}],"version-history":[{"count":1,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/posts\/940\/revisions"}],"predecessor-version":[{"id":941,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/posts\/940\/revisions\/941"}],"wp:attachment":[{"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/media?parent=940"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/categories?post=940"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/tags?post=940"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}