Submission

Status:

PPPPPPPPPP

Subtask/Task Score:

100/100

Score: 100

User: Gump2011

Problemset: เลขหลักของผลคูณ

Language: cpp

Time: 0.003 second

Submitted On: 2025-09-27 22:04:32

#include<bits/stdc++.h>
using namespace std;
#define ll long long
int main(){
    ll A, B, x;
    ll AB;
    cin >> A >> B >> x;
    AB = A*B;
    string s = to_string(AB);
    if(x-1 >= s.size()){
        cout << "_";
        return 0;
    }
    cout << s[x-1];
    return 0;
}