Bit Operations using Macros

Code

#include <stdio.h>
#include <stdint.h>

// Define bitwise macros here

uint8_t modify_register(uint8_t reg) {
    int a,b,c;
    a=reg|(1<<2);
    a=a|(1<<7);
    b=a& ~(1<<3);
    c=b^(1<<5);
    return c;
}

int main() {
    uint8_t reg;
    scanf("%hhu", &reg);
    printf("%u", modify_register(reg));
    return 0;
}

Solving Approach