Wrong test cases

#1

i am getting three test cases wrong

#2

Hi @mayank10 , your logic is fine , just consider the case when your output is negetive
as when you are computing int A.y=B.x-(a/b)*B.y; you are performing subtraction which might result in negetive values . so, just add this line in your code

System.out.println((getinverse(a)+1000000007)%1000000007);

while printing your result instead of simply executiong System.out.println(getinverse(a));
here i have corrected your code: https://ide.codingblocks.com/s/213782

In case of any doubt feel free to ask :slight_smile:
If you got the answer then mark your doubt as resolved

#3

sir if formula gives the negative result so why the negative answer is wrong

#4

System.out.println((getinverse(a)+1000000007)%1000000007); and what is the logic to add this statement

#5

the above formula is used to take mod of negative numbers, modules operation shouldn’t result in negative number thus we have to make it positive