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nathaditya

Untitled

Mar 19th, 2024
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C++ 0.44 KB | None | 0 0
  1. #include<bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main(){
  5.     int n; cin >> n;
  6.     vector<int> nums(n);
  7.  
  8.     for(int i = 0 ; i < n; i++)
  9.         cin >> nums[i];
  10.    
  11.     int q; cin >> q;
  12.     vector<int> sums;
  13.     sums.push_back(0);
  14.     for(int i = 0; i < n; i++){
  15.         sums.push_back(nums[i]+sums[i]);
  16.     }
  17.    
  18.     for(int i = 0; i < q; i++){
  19.         int x,y; cin >> x >> y;
  20.         cout << sums[y+1]-sums[x] << endl;
  21.     }
  22. }
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