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 mask = (1UL<<5)-1;
    uint8_t bits = (reg>>10)&mask;
    if(bits<31){
        bits = bits+1;
        reg &= ~(mask<<10);
        reg |= (bits&mask)<<10;
    }
    return reg;
}

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