Extract and Modify Field in a 32-bit Register

Code

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

uint32_t update_register(uint32_t reg) {
    // Your logic here
    uint32_t mask = (1U << 5) - 1;
    uint32_t new_val = (reg >> 10) & mask;
    if(new_val < 31) new_val += 1;
    else return reg;
    reg &= ~(mask << 10);
    reg |= (new_val << 10);
    return reg;
}

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

Solving Approach