26. Extract and Modify Field in a 32-bit Register

#include <stdio.h>
#include <stdint.h>

uint32_t update_register(uint32_t reg) {
    
    uint8_t val = ((reg >> 10) & 0x1F);
    if(val < 31) {
        val += 1;
        reg &= ~(0x1F << 10);
        reg |= ((0x1F & val) << 10);
    } 
    return reg;
}

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