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
    uint8_t temp=0;
    temp=(reg>>10)&0x1f;
    reg&=(~(((1<<5)-1)<<10));
    if(temp<31){
     temp++;
    }
    reg|=(temp<<10);
    return reg;
}

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