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  1. #include <iostream>
  2. #include<vector>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	// your code goes here
  7. 	vector<int> a={2,7,4,8,9,1,6};
  8. 	int k=9;
  9. 	int count=0;
  10. 	for(int i=0;i<a.size();i++) {
  11. 		int sum=0;
  12. 		for(int j=i;j<a.size();j++) {
  13. 			sum+=a[j];
  14. 			if(sum==k) {
  15. 				count++;
  16. 			}
  17. 		}
  18. 	}
  19. 	cout<<count<<endl;
  20. 	return 0;
  21. }
Success #stdin #stdout 0s 5324KB
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https://ideone.com/hI8Ayr
language:
C++14 (gcc 8.3)
created:
1 day ago
visibility:
public

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