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  1. #include <iostream>
  2. #include <algorithm>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	int t;
  7. 	cin>>t;
  8. 	while(t--){
  9. 	int a,b,c,n;
  10. 	cin>>a>>b>>c>>n;
  11. 	int themax=max({a,b,c});
  12. 	n=n-(themax-a);
  13. 	n=n-(themax-b);
  14. 	n=n-(themax-c);
  15. 	if(n%3==0){
  16. 		cout<<"YES"<<endl;
  17. 	}
  18. 	else{
  19. 		cout<<"NO"<<endl;
  20. 	}
  21. 	}
  22.  
  23. 	return 0;
  24. }
Success #stdin #stdout 0.01s 5280KB
comments (?)
stdin
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5
5 3 2 8
100 101 102 105
3 2 1 100000000
10 20 15 14
101 101 101 3
stdout
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YES
YES
NO
NO
YES
https://ideone.com/ZCUVa7
language:
C++14 (gcc 8.3)
created:
9 days ago
visibility:
public

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