Submission

Status:

PPPPPPPPPP

Subtask/Task Score:

100/100

Score: 100

User: NovemNotes

Problemset: เลขหลักของผลคูณ

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-15 09:59:17

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

#define int long long

int32_t main(){
    ios_base::sync_with_stdio(false);cin.tie(NULL);
    int a,b,x;cin >> a >> b >> x;
    string s = to_string(a*b);
    if(x > s.size()){
        cout << "_\n";
    }else{
        cout << s[x-1] << "\n";
    }
    return 0;
}