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  1. #include<iostream>
  2. #include<vector>
  3. using namespace std;
  4. int main(void){
  5. 	int n;
  6. 	cin>> n;
  7. 	int k;
  8. 	cin>>k;
  9. 	vector<int> arr(n);
  10. 	//take the input from the user
  11. 	for(int i=0;i<n;i++){
  12. 		cin>>arr[i];
  13. 	}
  14. 	int sum=0;
  15. 	int count=0;
  16. 	for(int i=0,j=0;j<n;j++){
  17. 		sum+=arr[j];
  18. 		while(sum>k){
  19. 			sum=sum-arr[i];
  20. 			i++;
  21. 		}
  22. 		count+=(j-i+1);
  23. 	}
  24. 	cout<<count;
  25. 	return 0;
  26. }
  27.  
  28.  
Success #stdin #stdout 0.01s 5308KB
comments (?)
stdin 
15 4 
1 2 3 5 8 8 8 8 2 1 1 1 1 1 1
stdout 
25
https://ideone.com/h8BTTL
language:
C++14 (gcc 8.3)
created:
4 days ago
visibility:
public

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