Submission

Score: 100

User: limsan20122

Problemset: เลขหลักของผลคูณ

Language: cpp

Time: 0.002 second

Submitted On: 2025-11-01 11:05:30

#include <bits/stdc++.h>
using namespace std;
int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    unsigned long long int x=0,y=0,z=0,a=0;
    string b;
    cin >> x >> y >> z;
    a=x*y;
    b=to_string(a);
    if(b.size()<z){
        cout << "_";
        return 0;
    }
    cout << b[z-1];
    return 0;
}