26. Extract and Modify Field in a 32-bit Register

Back To All Submissions
Previous Submission
Next Submission

Code

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

uint32_t update_register(uint32_t reg) {
    // Your logic here
    uint32_t newReg;

    for (int i = 10; i < 15; i++){
        if (reg & (1<<i)){
            newReg |= (1<<(i-10));
        }
    }

    if (newReg < 31){
        newReg += 1;
        newReg = (newReg << 10);
    } else if (newReg == 31){
        newReg = reg & 0xFFFFFFFF;
    }

    return newReg;
}

int main() {
    uint32_t reg;
    scanf("%u", &reg);
    uint32_t updated = update_register(reg);
    printf("%u", updated);
    return 0;
}

Solving Approach

 

 

 

Was this helpful?
Upvote
Downvote