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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here
  6. 	int t;
  7. 	cin>>t;
  8. 	for(int i=1;i<=t;i++){
  9. 	    int sum=0;
  10. 	    int j=0;
  11. 	    int n;
  12. 	    cin>>n;
  13. 	    int p[n-1];
  14. 	    for(j=0;j<n-1;j++){cin>>p[j];sum=sum+p[j];}
  15. 	    sum=sum+p[0];
  16. 	    for(j=1;j<n-1;j++){
  17. 	        sum=sum+p[i]-p[i-1];
  18. 	    }
  19. 	    cout<<sum<<endl;
  20.  
  21. 	}
  22. 	return 0;
  23. }
  24.  
Success #stdin #stdout 0.01s 5436KB
comments (?)
stdin
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3
2
4
3
3 5
4
5 2 6
stdout
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8
229323066
43896
https://ideone.com/1MxA8K
language:
C++ (gcc 8.3)
created:
1 year ago
visibility:
public

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