#include <iostream>
using namespace std;
int main()
{
int n,t,a,b,c,sum;
cin>>n;
while(n--)
{
sum=0;
cin>>t;
while(t--)
{
cin>>a>>b>>c;
sum+=a*c;
}
cout<<sum<<endl;
}
return 0;
}
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最新推荐文章于 2019-10-06 20:16:52 发布