[13-4-2014 14:32:41] Jeroen (ice): opd 5
[13-4-2014 14:32:44] Jeroen (ice): /*
 * File:   main.c
 * Naam: Jeroen
 * Klas: IS202
 *
 * Created on February 19, 2014, 3:25 PM
 */

#include <stdio.h>

int main()
{
        int n, x;

        scanf("%i%i", &n, &x);

        if( ( x & 1<<n ) != 0 ) {
            printf("true");
        } else {
            printf("false");
        }

}
[13-4-2014 14:33:12] Jeroen (ice): opd 5a
[13-4-2014 14:33:12] Jeroen (ice): /*
 * File:   main.c
 * Naam: Jeroen
 * Klas: IS202
 * Created on February 28, 2014, 2:06 PM
 */

#include <stdio.h>
#include <stdlib.h>

int main()
{
        unsigned int a, b;

        scanf("%i", &a);

        b = a >> 24;

        b = b | ( ( a >> 8 ) & 0x0000FF00 );

        b = b | ( ( a << 8 ) & 0x00FF0000 );

        b = b | ( ( a << 24 ) );

        printf("%X\n",b);
}
[13-4-2014 14:33:28] Jeroen (ice): opd 5b
[13-4-2014 14:33:29] Jeroen (ice): /*
 * File:   main.c
 * Naam: Jeroen
 * Klas: IS202
 */

unsigned int bitWissel(unsigned int x, int a, int b)
{
    unsigned int output = x;

    if( ( ( x & 1 << a ) != 0 ) != ( ( x & 1 << b ) != 0 ) ) {
        output ^= 1 << a;
        output ^= 1 << b;
    }

    return output;
}
[13-4-2014 14:33:46] Jeroen (ice): opd 5c
[13-4-2014 14:33:48] Jeroen (ice): /*
 * File:   main.c
 * Naam: Jeroen
 * Klas: IS202
 */

#include <stdio.h>
#include <stdlib.h>

void flipbit(int *p, int m) {
    int maskBit;

    maskBit = (1 << m);
    *p = *p ^ maskBit;
}

int main() {
    int bit;
    scanf("%i", &bit);
    int *p;
    p = &bit;

    int a;
    scanf("%i", &a);
    flipbit(p, a);

    printf("%d %x ", *p, *p);
    exit(EXIT_SUCCESS);
}
[13-4-2014 14:34:02] Jeroen (ice): opd 5d
[13-4-2014 14:34:02] Jeroen (ice): /*
 * File:   bitrotate.c
 * Naam: Jeroen Hoeboer
 * Klas: IS202
 */

void rotateLeft(int *x, int n) {
    int y = (*x << n) | (*x >> (32 - n));
    *x = y;
}

void rotateRight(int *x, int n){
    int y =  (*x >> n) | (*x << (32 -n));
    *x = y;
}