全红求助，改对必关

#include<bits/stdc++.h>
using namespace std;
long long n,a,s=0,s1=-1;
signed main() {
	ios::sync_with_stdio(false);
	cin.tie(0), cout.tie(0);
	scanf("%d",&n);
	while(n)
	{
		scanf("%d",&a);
		while(a)
		{
			s+=a%10;
			a/=10;
		}
		s1=max(s1,s);
		s=0;
		n--;
	}
	printf("%lld",s1);
	return 0;
}