Submission

Score: 100

User: koon

Problemset: เลขหลักของผลคูณ

Language: cpp

Time: 0.002 second

Submitted On: 2025-11-08 16:25:34

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

int main() {
    int n, m, x;
    cin >> n >> m >> x;
    long long num = n*m;
    string s = to_string(num);
    if (x > (int)s.size()) {
        cout << "_";
        return 0;
    }
    cout << s[x-1];
    return 0;
}