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  1. #include <iostream>
  2. #include<vector>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	vector<int> nums={2,1,1,5,8};
  7. 	int k=4;
  8. 	int count=0;
  9. 	int sum=0;
  10. 	int low=0;
  11. 	int high=0;
  12.  
  13. 	for(high=0;high<nums.size();high++) {
  14. 		sum+=nums[high];
  15. 		while(sum>k && low<=high) {
  16. 			sum-=nums[low];
  17. 			low++;
  18. 		}
  19. 		count+=high-low+1;
  20. 	}
  21. 	cout<<count<<endl;
  22. 	return 0;
  23. }
Success #stdin #stdout 0s 5316KB
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https://ideone.com/9BTVdl
language:
C++14 (gcc 8.3)
created:
5 hours ago
visibility:
public

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