题解

#include<cstring>
#include<string>
#include<iostream>
using namespace std;
int main(){
    int a ;
    char b;//a是小写字母数量,b是大写字母数量
    string s;
    cin >> a >> s;
    b = char(s[0]);
    for(int i = 0;i < a;i++){
        if(char(s[i]) > b){b = char(s[i]);}


        
        }//全变大写
    cout << int(b)-96;
    return 0;