Bit Toggle

Code

#include <stdio.h>

int toggleFifthBit(int n) {
    return n^(1<<5);
}
int main() {
    int n;
    scanf("%d", &n);
    printf("%d", toggleFifthBit(n));
    return 0;
}

Solving Approach

5th bit to be toggled. so, use EXOR operation by shifting 1 to that position with register.