题解

#include <bits/stdc++.h>
using namespace std;

int main(){
    int n, a, cnt, max = 0;
    cin >> n >> a;
    for(int i=1; i<=n; i++){
        cnt = 0;
        cin >> a;
        while(a != 0){
            cnt += a % 10;
            a /= 10;
        }
        if(cnt > max)
            max = cnt;
    }
    cout << max;
    return 0;
}