Bit Toggle

Code

#include <stdio.h>

int toggleFifthBit(int n) {
    if (n & (1 << 5))
        return n & ~(1 << 5);
    return n | (1 << 5);    
}

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

Solving Approach