CCP-CSP认证考试 201812-1 小明上学 c/c++题解

CCF-CSP认证考试题解目录By东瓜lqd

题目描述:

这题只要只要下黄灯后面要等一个红灯就ok了。
100分代码:

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <climits>
#include <cstring>
#include <string>
#include <algorithm>
#include <vector>
#include <deque>
#include <list>
#include <utility>
#include <set>
#include <map>
#include <stack>
#include <queue>
#include <bitset>
#include <iterator>
using namespace std;

typedef long long ll;
const int inf = 0x3f3f3f3f;
const ll  INF = 0x3f3f3f3f3f3f3f3f;
const int PI = acos(-1);
const int E = exp(1);
const int MOD = 1e9+7;
const int MAX = 1e5+5;
int r,y,g;
int n;
int k,t;

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);

    cin >> r >> y >> g;
    cin >> n;
    int sum_t = 0;
    for(int i = 0; i < n; i++)
    {
        cin >> k >> t;
        if(k == 0 || k == 1)
        {
            sum_t += t;
        }
        else if(k == 2)
        {
            sum_t += t + r;
        }
    }
    cout << sum_t << endl;

    return 0;
}