#111 GFG POTD Rotate Bits GeeksForGeeks Problem of the Day |PlacementsReady

#GFG #POTD #geeksforgeeks #problemoftheday
In this video, I will be discussing Rotate Bits.

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GFG POTD 20/09/23

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Problem Statement -
Given an integer N and an integer D, rotate the binary representation of the integer N by D digits to the left as well as right and return the results in their decimal representation after each of the rotation.
Note: Integer N is stored using 16 bits. i.e. 12 will be stored as 0000000000001100.

Expected Time Complexity: O(1)
Expected Auxiliary Space: O(1)

Connect with me :

[gamersgame]

We can do simple right and left shifts on the number by d times
like for left rotation ( n << d | n >> (16-d) ) & 0xFFFF to ensure we take only least significant 16 bits

[prakhargarg]

Why we are using extra space and time complexity as it is not allowed\

[statusworld-hjjj]

at time stamp 3.50 you convert decimal to binary but in reverse order which is confusing but code still work how?

[tusharparakh]

Ain't no way this is a basic question!

[arg]

Please be clear with your explanation
It's very tough to get 😢