61 lines
1.4 KiB
C++
61 lines
1.4 KiB
C++
#include<stdio.h>
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#include<string.h>
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#include<queue>
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#include<algorithm>
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using namespace std;
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const int maxn=100000+10;
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struct N
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{
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int x,p,m;
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bool operator<(const N &a) const
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{
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return p<a.p;
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}
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}node[maxn];
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int main()
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{
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int i,n;
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int t;
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scanf("%d",&t);
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priority_queue<N> q;
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N a;
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while(t--)
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{
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while(!q.empty()) q.pop();
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scanf("%d",&n);
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for(i=0;i<n;i++)
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{
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scanf("%d%d%d",&node[i].x,&node[i].p,&node[i].m);
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}
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int p=0,sum=0;
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for(i=n-1;i>=0;i--)
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{
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q.push(node[i]);
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sum=node[i].x;
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while(!q.empty()&&sum!=0)
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{
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a=q.top();
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q.pop();
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if(a.m>=sum)
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{
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a.m-=sum;
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p+=a.p*sum;
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sum=0;
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}
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else
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{
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sum-=a.m;
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p+=a.p*a.m;
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a.m=0;
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}
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if(a.m!=0)
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q.push(a);
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}
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if(q.empty())
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sum=0;
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}
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printf("%d\n",p);
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}
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return 0;
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}
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