Submission

Score: 100

User: chokun

Problemset: เลขหลักของผลคูณ

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-06 12:02:32

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

int main() {
    long long A, B; 
    int x;

    cin >> A >> B >> x;

    long long product = A * B;

    string product_str = to_string(product);

    if (x >= 1 && x <= product_str.length()) {
        cout << product_str[x - 1] << endl;
    } else {
        cout << "_" << endl;
    }
}