UVa 10300 - Ecological Premium

题目：给你面积和友好度，求乘积的和。

分析：简单题。参数一三乘积求和即可。

#include <iostream>#include <cstdlib>#include <cstdio>using namespace std;int main(){int n,m,a,b,c,sum;while ( cin >> n ) while ( n -- ) {cin >> m;sum = 0;while ( m -- ) {cin >> a >> b >> c;sum += a*c;}cout << sum << endl;}return 0;}