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- #include<iostream>
- #include<vector>
- using namespace std;
- int main()
- {
- int n,a,l,r;
- cin>>n;
- int arr[n];
- vector<int>v;
- for(int i=0;i<n;i++)
- cin>>arr[i];
- cin>>a;
- int sum;
- for(int i=0;i<a;i++)
- {
- sum = 0;
- cin>>l>>r;
- l--;r--;
- for(int j=l;j<=r;j++)
- sum = sum + arr[j];
- v.push_back(sum);
- }
- for(int i=0;i<v.size();i++)
- cout<<v[i]<<" ";
- }
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