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  1. // TC : O(N^2)
  2. // SC : O(N)
  3.  
  4. #include <iostream>
  5. using namespace std;
  6.  
  7. int main() {
  8. 	int n;
  9. 	cin >> n;
  10.  
  11. 	int arr[n];
  12. 	for(int i=0; i<n; i++) {
  13. 		cin >> arr[i];
  14. 	}
  15.  
  16. 	int count = 0;
  17. 	int k;
  18. 	cin >> k;
  19.  
  20. 	int sum = 0;
  21.  
  22. 	// Subarray Template
  23. 	for(int i=0, j=0; j<n; j++) {
  24. 		sum += arr[j]; // [i .................... j]
  25. 		while(sum > k) {
  26. 			sum -= arr[j];
  27. 			i++;
  28. 		}
  29.  
  30. 		count += (j - i + 1);
  31. 	}
  32. 	cout << "Count : " << count;
  33. 	return 0;
  34. }
Success #stdin #stdout 0s 5308KB
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Count : 9
https://ideone.com/2au7EZ
language:
C++ (gcc 8.3)
created:
3 hours ago
visibility:
public

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