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  1. #include <iostream>
  2. #include <algorithm>
  3. using namespace std;
  4. typedef unsigned long long ull;
  5. const ull mod=1000000007;
  6. ull A[10009];
  7. /*Euclidean GCD*/
  8. ull gcd(ull a,ull b)
  9. {
  10.     while( b != 0)
  11. 	{
  12. 		ull  t = b;
  13. 		b= a %t;
  14. 		a = t;
  15. 	}
  16. 	return a;
  17. }
  18. ull lcm(ull a, ull b) 
  19. { 
  20. 	return (a/gcd(a,b))%mod*(b%mod); 
  21. }
  22. ull lcms(int  l ,ull * A)
  23. {
  24. 	int     i;
  25. 	ull result;
  26. 	result = 1;
  27. 	for (i = 0; i < l; i++) 
  28. 		result = lcm(result, A[i])%1000000007;
  29. 	return result;
  30. }
  31. int main()
  32. {
  33. 	int T;
  34. 	cin>>T;
  35. 	while(T--)/*Number of test cases*/
  36. 	{
  37. 		int N;
  38. 		cin>>N;/*How many Numbers in Array*/
  39. 		for(int i=0;i<N;++i)
  40. 		{
  41. 			cin>>A[i];//Input Array
  42. 		}
  43. 		cout<<lcms(N,A)%1000000007<<endl;
  44. 	}
  45. 	return 0;
  46. }
Success #stdin #stdout 0s 2980KB
comments (?)
stdin 
2
4
2 4 6 8
3
2 3 1
stdout 
24
6
https://ideone.com/NbqNMq
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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