Submission

Score: 0

User: bussaban

Problemset: เลขดวง

Language: cpp

Time: 0.005 second

Submitted On: 2026-10-15 16:33:27

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