fork download
copy 
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here
  6. 	int n;
  7. 	cin>>n;
  8. 	vector<int> nums(n);
  9. 	for(int i=0;i<n;i++){
  10. 		int e;
  11. 		cin>>e;
  12. 		nums[i]=e;
  13. 	}
  14. 	for(int i=1;i<n;i++){
  15. 		nums[i]=nums[i-1]+nums[i];
  16. 	}
  17. 	int q;
  18. 	cin>>q;
  19. 	while(q--){
  20. 		int i,j;
  21. 		cin>>i>>j;
  22. 		cout<<nums[j]-nums[i-1]<<endl;
  23. 	}
  24.  
  25. }
Success #stdin #stdout 0s 5288KB
comments (?)
stdin
copy 
3
1 4 1
3
1 1
1 2
0 2
stdout
copy 
4
5
6
https://ideone.com/LFXwMJ
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!