stringstream_PTA 1077 互评成绩计算 (20 分)

#include<iostream>
#include<climits>
#include<cmath>
#include<sstream>
using namespace std;

int main()
{
    int n;
    cin >> n;
    int legal = 0;
    cin >> legal;
    while(n--)
    {
        double ans = 0;
        cin >> ans;
        int scores = 0;
        double sum = 0;
        double legalTimes = 0;
        int mins = INT_MAX, maxs = INT_MIN;

        string numbers;
//        获取一行数字+空格的字符串
        getline(cin, numbers);
//        初始化字符串流
        stringstream ss(numbers);
//        将字符串流输入给scores（类似cin）
        while(ss >> scores)
        {
            if(scores >= 0 && scores <= legal)
            {
                legalTimes++;
                sum += scores;
                maxs = max(maxs, scores);
                mins = min(mins, scores);
            }
        }
        legalTimes -= 2;
        sum -= maxs;
        sum -= mins;
        sum /= legalTimes;
        ans += sum;
        ans /= 2;
        cout << round(ans) << endl;
    }
    return 0;
}