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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int arr[]= {10,5,2,7,1,9};
  6. 	int n=sizeof(arr)/sizeof(arr[0]);
  7. 	int k=15;
  8. 	int currSum=0;
  9. 	int minLength=INT_MAX;
  10. 	map<int, int> pSum;
  11. 	pSum[0] = -1;
  12. 	for(int j=0;j<n;j++){
  13. 		currSum+=arr[j];
  14. 		int toFind=currSum-k;
  15. 		if(pSum.find(toFind)!=pSum.end()){
  16. 			int index=pSum[toFind];
  17. 			minLength=min(j-index, minLength);
  18. 		}
  19. 		pSum[currSum]=j;
  20. 	}
  21. 	cout<<minLength;
  22. 	return 0;
  23. }
  24.  
Success #stdin #stdout 0s 5324KB
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https://ideone.com/cQ5YWk
language:
C++ (gcc 8.3)
created:
2 hours ago
visibility:
public

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