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
    uint16_t bitField=(reg>>10)&0x1F;
    if(bitField<31)bitField+=1;
    uint16_t clearBits=(1u<<5)-1;
    clearBits<<=10;
    reg&=(~clearBits);
    bitField<<=10;
    reg|=bitField;
    return reg;
}

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