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 reg1, mask = ((1<<5)-1);
    reg1 = (reg>>10)&mask;
    if(reg1<31)reg1+=1;
    reg = (reg& ~(mask<<10)) | (reg1<<10);
    return reg;
}

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