Задача 3

#include <iostream>
#include <fstream>
#include <vector>
#include <string>
#include <map>
using namespace std;



ifstream fin("input.txt");
ofstream out("output.txt");


void solve(int cur, int & sum, int & cnt, int & ans)
{
    int cSum = 0; int cCnt = 0;
    int n = cur;
    while (n)
    {
        cSum += n % 10;
        cCnt++;
        n /= 10;
    }
    if (cSum > sum || cSum == sum && cCnt < cnt)
    {
        sum = cSum;
        cnt = cCnt;
        ans = cur;
    }
}

int main()
{
    int sum = 0;
    int cnt = 0;
    int ans = 0;
    int n; fin >> n;
    while (n--)
    {
        int cur; fin >> cur;
        solve(cur, sum, cnt, ans);
    }
    out << ans;
}