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
    uint8_t reg_ext = (reg & 0x7c00)>>10;
    if(((reg & 0x7c00)>>10) < 31)
    {
        reg_ext = reg_ext + 1;
        reg  = reg & ~(0x1F<<10);
        reg = reg | (reg_ext<<10);
    }
    return reg;
}

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