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  1. #include <iostream>
  2. #include<bits/stdc++.h>
  3. using ll = long long int;
  4. #define fo(i,start,end) for(int i=start;i<end;i++)
  5. using namespace std;
  6.  
  7. int main() {
  8. 	// your code goes here
  9. 	int arr[] = {1,5,2,4,1} ;
  10. 	int k = 4;
  11. 	int n = 5;
  12. 	fo(i,0,n){
  13. 		fo(j,i+1,n){
  14. 			if(arr[i] - arr[j] == k){
  15. 					cout<<"The pairs are:{"<<i<<","<<j<<"}"<<endl;
  16. 					return 0;
  17. 			}
  18. 		}
  19. 	}
  20. 	cout<<"No valid pairs found"<<endl;
  21. 	return 0;
  22. }
Success #stdin #stdout 0.01s 5320KB
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Standard input is empty
stdout
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The pairs are:{1,4}
https://ideone.com/fFzbGK
language:
C++14 (gcc 8.3)
created:
7 days ago
visibility:
public

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