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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. typedef long long ll;
  5.  
  6. int main() {
  7. 	// your code goes here
  8. 	ll n;
  9. 	cin>>n;
  10. 	ll b[n];
  11. 	for(int i = 0; i < n; i++){
  12. 		cin>>b[i];
  13. 	}
  14. 	ll k;
  15. 	cin>> k;
  16. 	ll count = 0,sum=0;
  17. 	for(int i = 0,j=0; j < n; j++){
  18. 		sum += b[j];
  19. 		while(sum > k){
  20. 			sum -= b[i];
  21. 			i++;
  22. 		}
  23. 		count += (j - i + 1);
  24. 	}
  25. 	cout<<count<<endl;
  26. 	return 0;
  27. }
Success #stdin #stdout 0.01s 5292KB
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stdin
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6

2 1 1 8 2 2

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stdout
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9
https://ideone.com/8nzkQh
language:
C++14 (gcc 8.3)
created:
10 hours ago
visibility:
public

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