1如何读入用/隔开的两个数字?cin >> a >>slash >>b;

2如何找到vector中最大的int?该int的索引呢? 假如有多个最大值呢?

3如何将Ascii数字转化成为字符呢?

	#include <iostream>
    #include <vector>
    #include <algorithm>
    #include <cmath>


    using namespace std;

    int main (){
        int n;vector<int> A,B;
        cin >> n;
        for (int i = 0; i < n ; i++){
            string a;
            cin >> a;
        }
        for (int i = 0 ; i < n ; i ++){
            int a, b;
            char slash;
            cin >>a >>slash>>b;
            A.push_back(a);

        }
        int biggest1 = *max_element(A.begin(),A.end());
        vector<int> M;
        for(int i = 0; i < n ; i++){
            if(A[i] == biggest1) M.push_back(i);
        }
        cout << char(M[0] +'A') ;
        return 0;
    }