CCF CSP201812-1 小明上学

题目来源于CCF CSP

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代码解析

#include<iostream>
using namespace std;
int main()
{
    
    
	int r,y,g;
	cin >> r >> y >> g;
	int peer = 0;
	cin >> peer;
	int k,t,total = 0;
	while(peer--){
    
    
		cin >> k >> t;
		if(k == 0 || k == 1){
    
    
			total += t;
		}
		else if(k == 2){
    
    
			total += (t + r);
		}
	}
	cout << total;
}