Bit Toggle

Code

#include <stdio.h>

int toggleFifthBit(int n) {
    // Write your code here
    int pos = 5; //5th bit
    n ^= (1<<pos);
    return n;
}

int main() {
    int n;
    scanf("%d", &n);
    printf("%d", toggleFifthBit(n));
    return 0;
}

Solving Approach

Task is:

• The program should take an integer N as input.

• It should toggle the 5th bit of N (i.e., flip the bit at position 5: if 0, make it 1; if 1, make it 0).

  We know that to toggle 'nth' position of the register, reg ^= (1<< n )

  similarly, in the given task, reg -> n, and given position as 5 (pos == 5).

  Replacing these values in the above gives the solution.