Submission

Score: 100

User: Krispans

Problemset: เลขหลักของผลคูณ

Language: cpp

Time: 0.005 second

Submitted On: 2026-09-25 10:15:45

#include <iostream>
#include <string>
using namespace std;

int main(){
    long long a,b,x,result;
    cin >> a;
    cin >> b;
    cin >> x;
    result = a*b;
    string s = to_string(result);
    if (x>s.length() || x<1){
        cout << '_';
    }
    else{
        int o = s[x-1] - '0';
        cout << o;
    }
}