Submission

Score: 100

User: dy

Problemset: เลขหลักของผลคูณ

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-06 09:36:13

#include<bits/stdc++.h>
using namespace std;
int main(){
    int x,n,m;
    string sum="";
    cin>>n>>m;
    n=n*m;
    sum=to_string(n);
    cin>>x;
    if(sum.size()<x)
    cout<<"_";
    else
    cout<<sum[x-1];
}