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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int a, b, c, d;
  6. 	cin >> a >> b >> c >> d;
  7. 	if (!(a == b && b == c && c == d)) {
  8. 		cout << "NU";
  9. 	} else {
  10. 		cout << "DA";
  11. 	}
  12. 	return 0;
  13. }
Success #stdin #stdout 0.01s 5308KB
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1 1 3 3
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NU
https://ideone.com/4tOUap
language:
C++ (gcc 8.3)
created:
17 hours ago
visibility:
public

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