ORS vaje 1

#include <stdio.h>

int main ()
{
    // ResetBit
    printf("Result 1: %X\n", ResetBit(0xF, 2));
    printf("Result 2: %X\n", ResetBit(0xA, 0));

    // ResetTwoBits
    printf("Result 3: %X\n", ResetTwoBits(0xFF, 3));
    printf("Result 4: %X\n", ResetTwoBits(0xB7, 3));

    // SetBit
    printf("Result 5: %X\n", SetBit(0xA, 0));
    printf("Result 6: %X\n", SetBit(0xE, 2));

    // SetTwoBitsTo
    printf("Result 7: %X\n", SetTwoBitsTo(0xFF, 3, 1));
    printf("Result 8: %X\n", SetTwoBitsTo(0xAF, 3, 2));

    return 0;
}

int ResetBit(int x, int p)
{
    return x & ~(1 << p);
}

int ResetTwoBits(int x, int p)
{
    return x & ~(1 << p) & ~(1 << p+1);
    return x & ~(3 << p);
}

int SetBit(int x, int p)
{
    return x | (1 << p);
}

int SetTwoBitsTo(int x, int p, int n)
{
    //printf("x je: %X\n", x);
    x = ResetTwoBits(x, p);
    //printf("po resetu je x: %X\n", x);
    if(n % 2 == 1) {
        x = SetBit(x, p);
    }
    if((n/2) % 2 == 1) {
        x = SetBit(x, p+1);
    }
    return x;
}