Checking from last index

#1

how should I do it if I want to check from the last index?

#2

start from last index if u found element return the index else cntinue the recursion base case will be if(n < 0) return -1, finally if u get -1 means its not present else u return the index

#3

instead of 3 i am getting 2 with this logic

#4

also, in the method where we find from start , 1 test case is giving wrong answer

#5

instead of 3 i am getting 2 with this logic

#6

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