Submission

Score: 100

User: Nuchkul

Problemset: เลขหลักของผลคูณ

Language: cpp

Time: 0.002 second

Submitted On: 2026-10-02 14:32:50

#include<iostream>
#include<string>
using namespace std;
int main(){
    long long a,b;
    int x;
    cin >> a >> b >> x;
    long long m = a*b;
    string str = to_string(m);
    bool p = false;
    for(int i=0;i<str.length();i++){
        if(i==x-1){
            cout << str[i];
            p = true;
        }
    }
    if(!p) cout << "_";

}