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Bit Operations using Macros

Code

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

// Define bitwise macros here
// #define setBit 2
// #define setBits 7
// #define clearBit 3
// #define ToggleBit 5

#define Set(value,bit) (value |= (1 << bit))
#define Clear(value,bit) (value &= ~(1 << bit))
#define Toggle(value,bit) (value ^= (1 << bit))


uint8_t modify_register(uint8_t reg) {
    // reg |= (1 << setBit) | (1 << setBits);
    // reg &= ~(1 << clearBit);
    // reg ^= (1 << ToggleBit);

    Set(reg,2);
    Set(reg,7);
    Clear(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