Bit Toggle

#include <stdio.h>

int toggleFifthBit(int n) {
    n^=(1<<5);
    return n;
}

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

to toggle nth bit , xor(^)  that bit with 1;

n^=(1<<5);