ksg c++

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

int n, x, t;
string s, z;
char a;

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);
    cin >> n;
    t = 0;
    for (int i = 1; i <= n; i++)
    {
        cin >> s;
        char c='a';
        for (int j = 1; j < s.size(); j++)
            if (s[j]<c) c=s[j];
        cout << s[0] << c <<endl;
        t=t+int(c)-48;
    }
    cout << t;
    return 0;
}