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
    int wanted = (reg >> 10) & 0x1f;
    if (wanted < 31){
        wanted = wanted + 1;
    }
    // reg &= 0xffff83ff;
    reg &= ~(0x1f << 10);
    reg |= wanted << 10;
    return reg;
}

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