fork download
copy 
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int solve(vector<int>& a , int k){
  5. 	int n = a.size();
  6. 	int minLen = INT_MAX;
  7. 	for(int i=0;i<n;i++){
  8. 		for(int j=i+1;j<n;j++){
  9. 			if(a[i]+a[j]==k){
  10. 				int len = j-i+1;
  11. 				minLen = min(minLen,len);
  12. 			}
  13. 		}
  14. 	}
  15. 	return minLen;
  16. }
  17.  
  18. int main() {
  19. 	int n;
  20. 	cin>>n;
  21. 	vector<int>a(n);
  22. 	for(int i=0;i<n;i++){
  23. 		cin>>a[i];
  24. 	}
  25. 	int k;
  26. 	cin>>k;
  27.  
  28. 	cout<<solve(a,k);
  29. 	return 0;
  30. }
Success #stdin #stdout 0s 5288KB
comments (?)
stdin
copy 
9
5 6 7 8 10 4 3 2 1
8
stdout
copy 
7
https://ideone.com/zEj9xD
language:
C++ (gcc 8.3)
created:
12 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!