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  1.  
  2. #include <iostream>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	// your code goes here
  7. 	int a,b,c,d;
  8. 	cin>>a>>b>>c>>d;
  9.  
  10. 	int len = 10010;
  11. 	int arr[len]= {false};
  12.  
  13. 	for (int i=b;i<len;i+=a){
  14. 		arr[i] = 1;
  15. 	}
  16.  
  17. 	for(int i=d;i<len;i+=c){
  18. 		if(arr[i]){
  19. 			cout<<i;
  20. 			exit(0);
  21. 		}
  22. 	}
  23. 	cout<<-1;
  24.  
  25. 	return 0;
  26. }
  27.  
  28.  
Success #stdin #stdout 0s 16064KB
comments (?)
stdin
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99 100
100 1
stdout
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9901
https://ideone.com/Rbcgyg
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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