Submission

Score: 20

User: Visaaxolotl

Problemset: เลขหลักของผลคูณ

Language: cpp

Time: 0.002 second

Submitted On: 2026-10-09 11:10:06

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

int main(){
    long long a,b; cin >> a >> b;
    long long x = a*b;
    int d; cin >> d;
    d-=1;
    while (d--){
        x/=10;
    }
    cout << x%10;
}