Submission

Score: 100

User: nuxh

Problemset: เลขหลักของผลคูณ

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-12 15:32:53

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

int main(){
    int a,b,x;
    cin >> a >> b >> x;
    
    ll c = 1LL * a * b;
    string s = to_string(c);    
    ll z = s.size();
    if (x < 1 || x > s.size()) {
        cout << '_';
    return 0;
    }
    cout << s[x-1];
}