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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. bool triangle(int a, int b, int c){
  5. 	return (a+b>c)&&(b+c>a)&&(c+a>b);
  6. }
  7.  
  8. int main() {
  9. 	int a,b,c,d;
  10. 	cin >> a >> b >> c >> d;
  11. 	if(
  12. 		triangle(a,b,c)||
  13. 		triangle(d,b,c)||
  14. 		triangle(a,d,c)||
  15. 		triangle(a,b,d)
  16. 		){
  17. 			cout << "YES";
  18. 	}	
  19. 	else{
  20. 		cout << "NO";
  21. 	}	
  22. }
Success #stdin #stdout 0s 5324KB
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https://ideone.com/uHwH71
language:
C++ (gcc 8.3)
created:
5 hours ago
visibility:
public

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