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  1.  
  2. #include <iostream>
  3. using namespace std;
  4.  
  5. int main() {
  6.  
  7. 	int L1, R1, R2, L2;
  8. 	cin >> L1 >> R1 >> L2 >> R2;
  9.  
  10. 	if (L2 <= R1 && R2 >= L1) {
  11. 		cout << max(L1, L2) << " " << min(R1, R2);
  12. 	}
  13. 	else { cout << -1; }
  14.  
  15. 	return 0;
  16. }
  17.  
Success #stdin #stdout 0.01s 5280KB
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Standard input is empty
stdout
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-1
https://ideone.com/ceFNJf
language:
C++ 4.3.2 (gcc-4.3.2)
created:
16 hours ago
visibility:
public

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