/media/sda-magnetic/david/Dokumente-15/fernuni-hagen/cs-i-ii/old-cs-2-01/cs-aufgaben-ws-2021/aufg001.c

#include <stdio.h>

int main (void) {
    int x1, x2, x3, x4;
    
    printf ("x4\tx3\tx2\tx1\t\ty\n");
    for (x1 = 0;  x1 <= 1;  x1++) {
        for (x2 = 0;  x2 <= 1;  x2++) {
            for (x3 = 0;  x3 <= 1;  x3++) {
                for (x4 = 0;  x4 <= 1;  x4++) {
                    printf ("%i\t%i\t%i\t%i\t\t%i\n", x4, x3, x2, x1, ((x1 || x2) && x3) || (x2 && (x3 || x4)));
                }
            }
        }
    }
    
return 0;
}