10300 - Ecological Premium

#include <iostream>using namespace std;int main(){    int n,m,s,e,i(0),x,j,count;    cin>>n;    while(i<n)    {        cin>>x;        j=0;        count=0;        while(j<x)        {            cin>>m>>s>>e;            count+=m*e;            j++;        }        cout<<count<<endl;        i++;    }    return 0;}