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  1. #include <iostream>
  2. #include<vector>
  3. #include<unordered_map>
  4. using namespace std;
  5.  
  6. int main() {
  7. 	// your code goes here
  8. 	vector<int> a={1,3,5,6,1,9,8};
  9. 	unordered_map<int,int> m;
  10. 	int k=4;
  11. 	int dist=-1;
  12. 	for(int i=0;i<a.size();i++) {
  13. 		int curr=a[i];
  14. 		for(int j=i+1;j<a.size();j++) {
  15. 			if(a[j]==curr) {
  16. 				dist=j-i;
  17. 				if(dist<=k) {
  18. 				cout<<dist<<endl;
  19. 				}
  20. 			}
  21. 		}
  22. 	}
  23. 	return 0;
  24. }
Success #stdin #stdout 0.01s 5284KB
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https://ideone.com/wTzdYj
language:
C++14 (gcc 8.3)
created:
14 hours ago
visibility:
public

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