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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int main() {
  6. 	int n, arr[100];
  7.     cin>>n;
  8.  
  9.     for(int i=0;i<n;i++){
  10.         cin>>arr[i];
  11.     }
  12.  
  13.     cout<<arr[n-1]+arr[1]-arr[0];
  14.  
  15. 	return 0;
  16. }
Success #stdin #stdout 0.01s 5328KB
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2023
https://ideone.com/frphvH
language:
C++ (gcc 8.3)
created:
2 days ago
visibility:
public

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