Testcase 1 getting runtime error

#1


Please point out mistake in my code due to which I am getting runtime error

#2

hey @ankush.bhardwaj0, increase the size of N, array has only 0,1,2 so make freq array should be of size 3 (to have index 0,1,2).
Moreover you using while loop inside the for loop, so it will not be in linear time but in O(n^2).
I have made changes to your code, you can check them here.

#3

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