Clear the Bit in an 8-bit Register

&Code

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

uint8_t clear_bit(uint8_t reg, uint8_t pos) {
    // Your code here
    return reg & ~(1 << pos);
}

int main() {
    uint8_t reg, pos;
    scanf("%hhu %hhu", &reg, &pos);
    uint8_t result = clear_bit(reg, pos);
    printf("%u", result);
    return 0;
}

Solving Approach

  • Input: Read reg and pos.
  • Create mask: mask = 1 << pos
  • Set bit: reg = reg & ~ mask
  • Output: Print updated reg

 

 

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Input

7 0

Expected Output

6