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1.\u4e00\u6b21\u4f7f\u7528\u6c26\u6c14\u52a0\u901f\u5668\u4f1a\u628a\u540e\u9762\u5206\u6210\u597d\u51e0\u6bb5\u3002<\/p>\n
2.\u6211\u4eec\u4ec5\u7ef4\u62a4end[i],wait[i]\u6052\u5b9a\uff0c\u56e0\u6b64\u9700\u63d0\u524d\u8ba9wait[i]=max(wait[i-1],wait[i]);<\/p>\n
3.w[i]+w[i+1]+...+w[j],\u4e14w\u6052\u5b9a\uff0c\u6545\u53ef\u9884\u5904\u7406sum[i]\uff08\u6ee1\u8db3\u7d2f\u52a0\u6027\uff09<\/p>\n
\n<\/p>\n<\/p>\n
#include<cstdio>\n#include<cstdlib>\n#include<cmath>\n#include<string>\n#include<algorithm>\n#include<queue>\n#include<functional>\n#include<iostream>\n#define MAXN 1000 +10\n#define MAXM 10000 + 10\n#define MAXK 100000 + 10\n#define MAXD 100 + 10\n#define MAXT 100000 + 10\nusing namespace std;\nstruct man\n{\n\tint t,l,r;\n}t[MAXM];\nstruct interval\n{\n\tint l,r,w;\n};\n\nint n,m,k,ans,d[MAXN+1],wait[MAXN+1],w[MAXN+1],end[MAXN+1],sum[MAXN+1];\nbool operator<(const interval a,const interval b) \/\/\u91cd\u8f7d operator < \u7684\u610f\u601d \u4e3aq\u505a\u51c6\u5907\n{\n\n\n\treturn a.w<b.w;\n}\n\npriority_queue<interval> q; \/\/priority_queue<Node, vector<Node>, greater<Node> >; \u5b8c\u6574\u7684\u4e0d\u80fd\u7528\n\n\nvoid push(int l,int r)\n{\n\tbool flag=0;\n\tfor (int i=l;i<r;i++) if (d[i]) {flag=1;break;}\n\tif (!flag) return;\n\tint tot=sum[r]-sum[l];\n\tif (!tot) return ;\n\tinterval now;\n\tnow.w=tot;\n\tnow.l=l;\n\tnow.r=r;\n\tq.push(now);\n\n\/\/\t cout <<"add "<< now.l << ' ' << now.r <<' '<< now.w << endl;\n}\n\nint main()\n{\n\/\/\tfreopen("qc.in","r",stdin);\n\tmemset(wait,0,sizeof(wait));\n\tmemset(w,0,sizeof(w));\n\n\tscanf("%d%d%d",&n,&m,&k);\n\tfor (int i=1;i<=n-1;i++)\n\t\tscanf("%d",&d[i]);\n\tfor (int i=1;i<=m;i++)\n\t{\n\t\tscanf("%d%d%d",&t[i].t,&t[i].l,&t[i].r);\n\t\twait[t[i].l]=max(wait[t[i].l],t[i].t);\n\t\tw[t[i].r]++;\n\t}\n\tend[1]=0;\n\tfor (int i=2;i<=n;i++)\n\t end[i]=max(end[i-1],wait[i-1])+d[i-1];\n\tans=0;\n\tfor (int i=1;i<=m;i++)\n\t ans+=end[t[i].r]-t[i].t;\n\n\tsum[1]=sum[0]=0;\n\tfor (int i=2;i<=n;i++) {sum[i]=sum[i-1]+w[i]; wait[i]=max(wait[i-1],wait[i]);}\n\n\/\/\tfor (int i=0;i<=n;i++) cout<<end[i]<<' ';\n\/\/\tcout<<endl;\n\n\n\tint tot=d[1],head=1;\n\tfor (int i=2;i<=n;i++)\n\t{\n\t\tif (wait[i]>=end[i])\n\t\t{\n\t\t\tif (tot) push(head,i);\n\t\t\ttot=0;\n\t\t\thead=i;\n\t\t}\n\t\ttot+=d[i];\n\t\t\/*\n\t\ttot+=w[i]*min(1,d[i]);\n\/\/\t\ttot+=w[i];\n\t\t*\/\n\t}\n\n\n\tif (tot) push(head,n);\n\n\n\/\/00\tcout<<ans<<endl;\n\t\/\/\u8d2a\u5fc3\n\/\/\tsort(t+1,t+m+1,cmp);\n\n\/\/ \u8c03\u8bd5\n\/* while( !q.empty() ){\n cout << q.top().l << ' ' << q.top().r <<' '<< q.top().w << endl;\n q.pop();\n\t}\n*\/\n\/*\n\tfor (int i=1;i<=n;i++)\n\t{\n\t\tcout<<end[i]<<' ';\n\t}\n*\/\n\twhile (k&&!q.empty())\n\t{\n\/*\tcout<<"\/\/\/\/\/\/\/\/\/"<<endl;\n\tfor (int i=1;i<=n;i++)\n\t{\n\t\tcout<<end[i]<<' ';\n\t}\n\tcout<<endl;\n\tfor (int i=1;i<=n;i++)\n\t{\n\t\tcout<<wait[i]<<' ';\n\t}\n\n\tcout<<endl;\n*\/\n\t\tinterval now=q.top();\n\t\tq.pop();\n\t\tans-=now.w;\n\t\tint i=now.l;\n\/\/000\n\/\/ cout << now.l << ' ' << now.r <<' '<< now.w << endl;\n\/\/ cout << ans << endl;\n\/\/000\n\n\n\t\twhile (!d[i]) i++;\n\t\td[i]--;\n\t\tint head=i,tot=0,i2=0;\n\t\ti++;\n\t\twhile (i<=now.r\/*&&wait[i]<end[i]*\/)\n\t\t{\n\t\t\/\/\ttot+=w[i-1];\n\t\t\tend[i]--;\n\t\t\t\/\/000\n\/\/\t\t for (int cse=1;cse<=n;cse++) cout<<end[cse]<<',';\n\/\/\t\t\tcout<<endl;\n\t\t\t\/\/-\n\/\/\t\t\tcout<<i<<endl;\n\/\/\t\t\tcout<<wait[i+1]<<' '<<end[i+1]<<endl;\n\t\t\tif (wait[i]==end[i])\n\t\t\t {push(head,i);head=i;}\n\t\t\ti++;\n\t\t}\n\n\t\ti--;\n\t\tif (head!=now.r) push(head,now.r);\n\n\/*\n\t\tif (i>now.r) {cout<<"smile"<<endl;\n\t\t\tcout<<'<'<<' '<<i<<' '<<wait[i]<<' '<<end[i]<<' '<<endl;}\n*\/\n\/\/\t\tcout<<"i2:"<<i2<<endl;\n\/*\t\tif (i2) i=i2;\n\t\ti--;\n\t\tpush(head,i);\n\t\tif (i<now.r)\n\t\t{\n\/\/\t\t\tif (!d[head]) tot+=w[head];\n\t\t\tpush(i,now.r);\n\t\t}\n*\/\n\n\t\t\/\/\u5904\u7406 end[i] \u663e\u7136\u6700\u591a\u5f71\u54cd\u5230 now.r\n\t\tk--;\n\t}\n\n\tcout<<ans<<'n';\n\n\n\/\/ \u8c03\u8bd5\n\/*\n\t while( !q.empty() ){\n cout << q.top().l << ' ' << q.top().r <<' '<< q.top().w << endl;\n q.pop();\n\t}\n\tfor (int i=1;i<=n;i++)\n\t{\n\t\tcout<<end[i]<<' ';\n\t}\n\n\n\n*\/\n\n\n\/\/\twhile (1);\n\n}\n<\/pre><\/p>\n","protected":false},"excerpt":{"rendered":"\u51e0\u5927\u6ce8\u610f\u70b9\uff1a 1.\u4e00\u6b21\u4f7f\u7528\u6c26\u6c14\u52a0\u901f\u5668\u4f1a\u628a\u540e\u9762\u5206\u6210\u597d\u51e0\u6bb5\u3002 2.\u6211\u4eec\u4ec5\u7ef4\u62a4end[i],wait[i]\u6052\u5b9a\uff0c\u56e0\u6b64 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","footnotes":""},"categories":[3],"tags":[29,30,69],"class_list":["post-196","post","type-post","status-publish","format-standard","hentry","category-defaultcategory","tag-c","tag-dp","tag-heap"],"yoast_head":"\n
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