/media/sda-magnetic/david/Dokumente-16-2024-08-01/informatikUmathematik/excerpt20240906before/progs2sources20240801/fsmprogs/automat10.c

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

#define EMPTY_Z -1
#define UNINIT_Z -2

int main (void) {
    time_t t;
    int i, j;
    int z [4][2];
    int flag;

    srand ((unsigned)time (&t));


    for (i = 0;  i < 4;  i++) {
        z [i][0] = i;
        z [i][1] = i;
    }
    flag = 0;
    while (!flag) {
        for (i = 0;  i < 4;  i++) {
            for (j = i + 1;  j < 4;  j++) {
                if ((rand () % 32) > 16) {
                    t = z [j][0];
                    z [j][0] = z[i][0];
                    z [i][0] = t;
                }
            }
        }
        for (i = 0;  i < 4;  i++) {
            for (j = i + 1;  j < 4;  j++) {
                if ((rand () % 16) < 8) {
                    t = z [j][1];
                    z [j][1] = z[i][1];
                    z [i][1] = t;
                }
            }
        }
        flag = 1;
        for (i = 0;  i < 4;  i++)
            if ((z[i][0] == z[i][1]) && (z[i][1] == i)) {
                flag = 0;
            }

    }

printf("\\documentclass{article}\n");
printf("\\usepackage[utf8]{inputenc}\n");
printf("\\usepackage{pgf, tikz}\n");
printf("\\usetikzlibrary{arrows , automata , positioning}\n");
printf("\\begin{document}\n\n");


printf("\\begin{center}\n");
printf("\\begin{tikzpicture}[>=stealth',shorten >=1pt,auto,node distance=2.5cm]\n");
printf("\%Knoten\n");
printf("\\node (0) [state, thick] {0};\n");
printf("\\node (1) [state, thick, right of= 0] {1};\n");
printf("\\node (2) [state, thick, above of= 1, right of= 1] {2};\n");
printf("\\node (3) [state, thick, above of= 2, right of= 0] {3};\n\n");

printf("\%Verbindungen\n");
printf("\\path[thick,->]\n");


char *leftright [] = {"left", "right"};
char *abovebelow [] = {"above", "below"};

for (i = 0;  i < 4;  i++) {
        j = 0;
        fprintf(stderr, "%i\n", z [i][0]);
        if (z [i][j] == i)
            printf ("(%i) edge [loop] node {%i/%i} (%i)\n", i, j, rand () % 4, z[i][j]);
        else
            printf ("(%i) edge [bend angle=%i, bend %s,%s] node {%i/%i} (%i)\n", i, (i+1)*10+z[j][j]*5, leftright [(i>z[i][j])&&(z[i][j] != 3)], abovebelow [(i<=z[i][j])&&(z[i][j] != 3)], j, rand () % 4, z[i][j]);
        j = 1;
        if (z [i][j] == i)
            printf ("(%i) edge [loop] node {%i/%i} (%i)\n", i, j, rand () % 4, z[i][j]);
        else
            printf ("(%i) edge [bend angle=%i, bend %s,%s] node {%i/%i} (%i)\n", i, (i+1)*25+z[j][j]*8, leftright [(i<=z[i][j]) &&(z[i][j] != 3)], abovebelow [(i>z[i][j])&&(z[i][j] != 3)], j, rand () % 4, z[i][j]);
}
printf(";\n");
printf("\\end{tikzpicture}\n");
printf("\\end{center}\n");
printf("\\end{document}\n");


return 0;
}