weak testcase !!! Sereja and Array and Subtracting.

general
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there are many submission with different output has been accepted may be due to weak test case this is my solution https://www.codechef.com/viewsolution/8814397

and this is others solution- https://www.codechef.com/viewsolution/8815530 both solution gives different output at

1

4

12 26 34 76

according to my approach gcd is 2 and acco. to this one gcd is 4 for (12 (min),76 (max))

there are so many solution with different output this was one of them i dont know my method is correct or not if i am wrong them please tell me

i hope my solution and approach is correct. i found weak test cases many times and suggested to contest admin may be this time also :slight_smile:

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The test cases are weak.
Submission : https://www.codechef.com/viewsolution/8818267
On input :
3
7 11 19
The answer should be 3 but it gives answer as 12.Still Accepted.

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@shikharid its giving answer as 4 which is correct only !!!

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@tihorsharma123 The input is: 3 7 11 19… that is n = 3 and the values in the array are 7, 11, 19.The answer should be 3.

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