DSA Shorts with MIK - 7

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codestorywithMIK

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92,300

Published on October 28, 2024 12:00:00 AM ● Video Link: https://www.youtube.com/watch?v=4Vx9uwETAoU

Duration: 0:00

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Welcome to DSA Shorts with MIK No. 7
In this DSA short, we will learn how to multiply/divide a number by 2^k using bit-wise shift operations.

Bitwise Multiplication:
Multiplying by 2^k can be efficiently done using a left shift operation: x left-shift by k. This operation effectively shifts the bits of x to the left by k positions, which is equivalent to multiplying by 2^k
. Left shifting is very fast and usually takes a single CPU cycle.

Bitwise Division:
Division by 2^k can be efficiently done using a right shift operation: x right-shift by k. This operation effectively shifts the bits of x to the right by k positions, which is equivalent to division by 2^k
. Right shifting is very fast and usually takes a single CPU cycle.

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