Error detection

#1

prob: https://hack.codingblocks.com/app/contests/2022/1061/problem

sol: https://ide.codingblocks.com/s/392466

I have tried to solve this problem using 2 pointer approach if whenever I find x I swap with the left side and increment both pointers

#2

Hello @raghav007 your approach is not correct according to me.
you can easily do with recursion in this way:


if you have any doubt in this you can ask here:
Happy Learning!!

#3

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