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

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

uint32_t update_register(uint32_t reg) {
    // Your logic here
    uint32_t nib = (reg>>10) & 0x1F;
    if (nib < 31) {
        nib += 1;
    }
    uint32_t clear_mask = ~0x7C00;
    reg = reg & clear_mask;
    reg = reg | nib<<10;
    return reg;
}

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