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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main(){
  5.     int n;cin>>n;
  6.     vector<int>v(n);
  7.     for(int i=0;i<n;i++){
  8.         cin>>v[i];
  9.         if(i!=0){
  10.             v[i]+=v[i-1];
  11.         }
  12.     }
  13.     int q;cin>>q;
  14.     while(q--){
  15.         int s,e;cin>>s>>e;
  16.         if(s!=0){
  17.             cout<<"ANS:"<<v[e]-v[s-1]<<endl;
  18.         }else{
  19.             cout<<"ANS:"<<v[e]<<endl;
  20.         }
  21.     }
  22.  
  23. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
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3
1 4 1
3
1 1
1 2
0 2
stdout
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ANS:4
ANS:5
ANS:6
https://ideone.com/74EWw2
language:
C++14 (gcc 8.3)
created:
1 day ago
visibility:
public

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