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  1. #include <iostream>
  2. using namespace std;
  3. #include <bits/stdc++.h>
  4. #include<vector>
  5.  
  6. int main() {
  7. 	// your code goes here
  8. 	int arr[]={1,2,3};
  9. 	int n=3;
  10. 	int k=2;
  11. 	int count=0,diff=0,left=0,right=2;
  12. 	sort(arr,arr+n);
  13.  
  14.      while(left<n && right>=0)
  15.       {
  16.       	diff=arr[right]-arr[left];
  17.       	if(diff<=k)
  18.       	 {
  19.       	 	diff=arr[right]-arr[left];
  20.       	 	count++;
  21.       	 	left++;
  22.  
  23.       	 }
  24.       	 if(diff>k)
  25.       	  {
  26.       	  	right--;
  27.       	  }
  28.       }
  29.       cout<<count;
  30.  
  31.  
  32.  
  33. 	return 0;
  34. }
Success #stdin #stdout 0.01s 5288KB
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https://ideone.com/cpK1Z6
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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