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  1. #include<bits/stdc++.h>
  2. #define endl "\n"
  3. using namespace std;
  4. typedef long long ll;
  5. const int mod = 1e9 + 7;
  6.  
  7. int ucln(int a, int b){
  8. 	while(b != 0){
  9. 		int r = a%b;
  10. 		a = b;
  11. 		b = r;
  12. 	}
  13. 	return a;
  14. }
  15.  
  16. int bcnn(int a, int b){
  17. 	return a * b / ucln(a, b);
  18. }
  19.  
  20. int main(){
  21. 	int t;
  22. 	cin >> t;
  23. 	while(t--){
  24. 		int a, b;
  25. 		cin >> a >> b;
  26. 		cout << ucln(a, b) << " " << bcnn(a,b) << endl;	
  27. 	}
  28. 	return 0;
  29. }
  30.  
Success #stdin #stdout 0.01s 5280KB
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2
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stdout
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https://ideone.com/insrdl
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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