Submission

Score: 100

User: qwert

Problemset: เลขหลักของผลคูณ

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-09 12:20:10

#include <iostream>
using namespace std;
int main()
{
	int a,b,c,n,x,w[10];
 
	cin>>a>>b>>x;
 
 	c=a*b;
 	n=0;
	while(c>0){
  		w[n]=c%10;
 		c=c/10;
 		n++;
 	}
 	
// 	for(int i=0; i<n; i++){
// 		cout<<w[i]<<" ";
//	 }
	if(x>n||x<0){
		cout<<"_";
	}
	else{
		cout<<w[n-x];
	}
 	
 	
}