Submission

Score: 100

User: spammer_destroyer

Problemset: เลขหลักของผลคูณ

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-12 12:49:16

//c1_bkk66_1
#include <iostream>
#include <vector>
using namespace std;

int main() {
  int x,nth,size=0;
  cin>>x>>nth;
  x*=nth;
  cin>>nth;
  vector<int> arr;
  if(x==0) {
    arr.push_back(0);
    size++;
  }
  while(x>0) {
    arr.push_back(x%10);
    x/=10;
    size++;
  }
  if(nth<=size&&nth>=1)
    cout<<arr[size-nth];
  else
    cout<<"_";
  return 0;
}