Bit Toggle

Code

#include <stdio.h>

int toggleFifthBit(int n) {
    unsigned char mask = 1 << 5;

    n = n ^ mask;
    return n;
}

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

Solving Approach