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
    //1. Extraction
    uint32_t Bf=0;
    /*for (int i=10;i<15;i++){
        Bf = Bf | ((reg & (1U<<i))>>(i-10));
    } */
    for (int i = 0; i < 5; i++) {
    if (reg & (1U << (10 + i))) {
        Bf |= (1U << i);
    }
}

    if (Bf<31){
        Bf=Bf+1;
    }
    reg&=(~(0x1FU<<10));
    reg|=(Bf<<10);
    return reg;
}

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