20181015/operators-5.c

-#include <stdio.h>
-
-int main (void)
-{
-  for (int i = 0, j = 20; i < 10, j < 30; i++, j++)
-    printf ("%d  %d\n", i, j);
-  return 0;
-}

20181015/operators-6.c

-#include <stdio.h>
-
-int main (void)
-{
-  for (int i = 0, j = 20; i < 10, j < 35; i++, j++)
-    printf ("%d  %d\n", i, j);
-  return 0;
-}

20181022/aufgabe-3.c

-  year = ORIGINYEAR;  /* = 1980 */
-
-  while (days > 365)
-    {
-      if (IsLeapYear (year))
-        {
-          if (days > 366)
-            {
-              days -= 366;
-              year += 1;
-            }
-        }
-      else
-        {
-          days -= 365;
-          year += 1;
-        }
-    }

20181022/loesung-1.c

-#include <stdio.h>
-
-int main (void)
-{
-  char buffer[100];
-  scanf ("%s", buffer);
-  for (int i = 0; buffer[i]; i++)
-    if (buffer[i] >= 'A' && buffer[i] <= 'M')
-      buffer[i] += 13;
-    else if (buffer[i] >= 'M' && buffer[i] <= 'Z')
-      buffer[i] -= 13;
-    else if (buffer[i] >= 'a' && buffer[i] <= 'm')
-      buffer[i] += 13;
-    else if (buffer[i] >= 'm' && buffer[i] <= 'z')
-      buffer[i] -= 13;
-  printf ("%s\n", buffer);
-  return 0;
-}

20181022/pointer-4.c

-#include <stdio.h>
-
-void calc_answer (int *a, int *b)
-{
-  *a = 42;
-  *b = 137;
-}
-
-int main (void)
-{
-  int answer1, answer2;
-  calc_answer (&answer1, &answer2);
-  printf ("The answers are %d and %d.\n", answer1, answer2);
-  return 0;
-}

20181022/pointer-5.c

-#include <stdio.h>
-
-int calc_answer (void)
-{
-  return 42, 137;
-}
-
-int main (void)
-{
-  int answer1, answer2;
-  answer1, answer2 = calc_answer ();
-  printf ("The answers are %d and %d.\n", answer1, answer2);
-  return 0;
-}

20181022/structured-programming-1.c

-#include <stdio.h>
-
-int main (void)
-{
-  for (int a = 0; a < 1000000; a++)
-    {
-      if ((a * 1117) % 65535 == 137)
-        {
-          for (int t = 2; t < 1000000; t++)
-            {
-              if (a % t == 0)
-                {
-                  printf ("Found something:\n");
-                  printf ("a = %d\nt = %d\n", a, t);
-                  a = 2000000;
-                  break;
-                }
-              else
-                continue;
-            }
-        }
-    }
-  printf ("Bye.\n");
-  return 0;
-}

20181022/structured-programming-2.c

-#include <stdio.h>
-
-int main (void)
-{
-  for (int a = 0; a < 1000000; a++)
-    {
-      if ((a * 1117) % 65535 == 137)
-        {
-          for (int t = 2; t < 1000000; t++)
-            {
-              if (a % t == 0)
-                {
-                  printf ("Found something:\n");
-                  printf ("a = %d\nt = %d\n", a, t);
-                  break;
-                }
-            }
-          break;
-        }
-    }
-  printf ("Bye.\n");
-  return 0;
-}

20181022/structured-programming-3.c

-#include <stdio.h>
-
-int main (void)
-{
-  for (int a = 0; 1; a++)
-    {
-      if ((a * 1117) % 65535 == 137)
-        {
-          for (int t = 2; 1; t++)
-            {
-              if (a % t == 0)
-                {
-                  printf ("Found something:\n");
-                  printf ("a = %d\nt = %d\n", a, t);
-                  goto found;
-                }
-            }
-        }
-    }
-found:
-  printf ("Bye.\n");
-  return 0;
-}

20181022/structured-programming-4.c

-#include <stdio.h>
-
-int main (void)
-{
-  for (int a = 0; 1; a++)
-    {
-      if ((a * 1117) % 65535 == 137)
-        {
-          int t = 2;
-          while (a % t != 0)
-            t++;
-          printf ("Found something:\n");
-          printf ("a = %d\nt = %d\n", a, t);
-          break;
-        }
-    }
-  printf ("Bye.\n");
-  return 0;
-}

20181022/structured-programming-5.c

-#include <stdio.h>
-
-int main (void)
-{
-  int a = 0;
-  while ((a * 1117) % 65535 != 137)
-    {
-      a++;
-      if ((a * 1117) % 65535 == 137)
-        {
-          int t = 2;
-          while (a % t != 0)
-            t++;
-          printf ("Found something:\n");
-          printf ("a = %d\nt = %d\n", a, t);
-          break;
-        }
-    }
-  printf ("Bye.\n");
-  return 0;
-}

20181022/structured-programming-6.c

-#include <stdio.h>
-
-int main (void)
-{
-  int a = 0;
-  while ((a * 1117) % 65535 != 137)
-    a++;
-  int t = 2;
-  while (a % t != 0)
-    t++;
-  printf ("Found something:\n");
-  printf ("a = %d\nt = %d\n", a, t);
-  printf ("Bye.\n");
-  return 0;
-}

20181022/structured-programming-7.c

-#include <stdio.h>
-
-int main (void)
-{
-  int N = 65535;
-  int p = 1117;
-  int q = 137;
-  int a = 0;
-  while ((a * p) % N != q)
-    a++;
-  int t = 2;
-  while (a % t != 0)
-    t++;
-  printf ("Found something:\n");
-  printf ("a = %d\nt = %d\n", a, t);
-  printf ("Bye.\n");
-  return 0;
-}

20181029/array-vs-pointer-1.c

-#include <stdio.h>
-
-int main (void)
-{
-  char h[] = "Hello!\n";
-  h[1] = 'a';
-  printf ("%s", h);
-  return 0;
-}

20181029/array-vs-pointer-10.c

-#include <stdio.h>
-
-int main (void)
-{
-  char *h = "Hello!\n";
-  while (*h)
-    printf ("%c", (*h)++);
-  return 0;
-}

20181029/array-vs-pointer-2.c

-#include <stdio.h>
-
-int main (void)
-{
-  char *h = "Hello!\n";
-  h[1] = 'a';
-  printf ("%s", h);
-  return 0;
-}

20181029/array-vs-pointer-6.c

-#include <stdio.h>
-
-int main (void)
-{
-  char h[] = "Hello!\n";
-  printf ("%c\n", *h);
-  return 0;
-}

20181029/array-vs-pointer-7.c

-#include <stdio.h>
-
-int main (void)
-{
-  char h[] = "Hello!\n";
-  while (*h)
-    printf ("%c", *h++);
-  return 0;
-}