Submission

Score: 100

User: SRW

Problemset: เลขหลักของผลคูณ

Language: cpp

Time: 0.005 second

Submitted On: 2026-09-30 15:55:43

#include <iostream>
using namespace std;
int main(){
    long long a,b;
    cin >> a >> b;
    long long x;
    cin >> x;
    long long product = a*b;
    string product_s = to_string(product);
    if (x-1 > product_s.size() or x < 0){
        cout << "_";
    }
    else{
        cout << product_s[x-1];
    }
}