Bit Operations using Macros

Code

#include <stdio.h>
#include <stdint.h>
#define SETBIT(VARIABLE,POSITION) (VARIABLE |= (1 << POSITION))
#define CLEARBIT(VARIABLE,POSITION) (VARIABLE &= ~(1 << POSITION))
#define TOGGLE(VARIABLE,POSITION) (VARIABLE ^= (1 << POSITION))
// Define bitwise macros here

uint8_t modify_register(uint8_t reg) {
    // Apply operations in order
    SETBIT(reg,2);
    SETBIT(reg,7);
    CLEARBIT(reg,3);
    TOGGLE(reg,5);
    return reg;
}

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

Solving Approach

 

 

 

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Input

0

Expected Output

164