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
    uint32_t mask =0;
    for(int i=0;i<5;i++)
        mask |= 1<<i;
    mask <<= 10;
    uint32_t val = mask & reg;
    reg = reg & ~mask;
    val >>= 10;
    if(val < 31)
        val++;
    val <<= 10;
    return reg | val;
}

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