Top | MCQs on Bitwise Algorithms and Bit Manipulations with Answers | Question 22

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What will the below code do?

C++

void function(int& num, int pos) 
{
   num |= (1 << pos); 
}

void setBit(int* num, int pos) {
   *num |= (1 << pos); 
}

Java

void setBit(int[] num, int pos) {
   num[0] |= (1 << pos); 
}

Python

def set_bit(num, pos):
    return num | (1 << pos)

JavaScript

function setBit(num, pos) {
   return num | (1 << pos);
}

divide num by pos.

Multiply num by pos.

Add num with pos.

set the given position (pos) of a number (num).

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