Submission

Score: 100

User: navysrimuang

Problemset: เลขหลักของผลคูณ

Language: cpp

Time: 0.003 second

Submitted On: 2025-09-28 00:05:56

#include<bits/stdc++.h>
#define endl '\n'
using namespace std;

int main(){
  int a,b,in;
  cin >> a >> b;
  cin >> in;
  string ssum = to_string(a*b);
  int len = ssum.length();
  if(in > len){
    cout << "_";
  }else{
    cout << ssum[in-1];
  }
  return 0;
}