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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. #define ll long long
  4. #define pb push_back
  5.  
  6. int main()
  7. {
  8. 	ll t;cin>>t;
  9. 	while(t--)
  10. 	{
  11. 		ll n;cin>>n;ll a[n];ll sum[n]={};
  12. 		for(ll i=0;i<n;i++)
  13. 		cin>>a[i];
  14. 		sum[0]=a[0];
  15. 		for(ll i=1;i<n;i++)
  16. 		{
  17. 			sum[i]=a[i]+sum[i-1];
  18. 		}
  19. 		ll q;cin>>q;
  20. 		while(q--)
  21. 		{
  22. 			ll a,b;cin>>a>>b;
  23. 			if(a==1)
  24. 			cout<<sum[b-1]<<"\n";
  25. 			else
  26. 			cout<<sum[b-1]-sum[a-2]<<"\n";
  27. 		}
  28. 	}
  29. }
Success #stdin #stdout 0s 4340KB
comments (?)
stdin
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2
 4
 10 20 30 40
 2
 1 4
 2 3
 5
 1 1 1 1 1
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 1 2
 2 5
 5 5
stdout
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100
50
2
4
1
https://ideone.com/LEjAMt
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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