/* program illustrating several input cases */

#include <stdio.h>

int main ()
{
  int i = 5;
  //int j = 7;
  char a [10] = "abcdefghi";
  char ch1 = 'x';
  char ch2 = 'y';
  char ch3 = 'z';
  
  //read two integers in same scanf
  printf ("test reading two integers with same scanf\n");
  printf ("   enter two integers:  ");
  scanf ("%d %d", &i, &j);
  printf ("i = %d\n", i);
  printf ("j = %d\n", j);

  //read two integers in successive scanf
  printf ("test reading two integers with successive scanf\n");
  printf ("   enter two integers:  ");
  scanf ("%d", &i);
  scanf ("%d", &j);
  printf ("i = %d\n", i);
  printf ("j = %d\n", j);

  //read integer and string 
  //both %d and %s skip over initial white space
  printf ("test reading an integer and a string with same scanf\n");
  printf ("   enter integer and string:  ");
  scanf ("%d%s", &i, a);  // same as "%d %s"
  printf ("i = %d\n", i);
  printf ("a = %s\n", a);

  //read integer and 3 characters
  // adding " " after %d or before or after %c skips over white space 
  printf ("test reading an integer and 3 characters\n");
  printf ("   enter integer and 3 characters:  ");
  scanf ("%d", &i);
  scanf ("%c", &ch1);
  scanf ("%c", &ch2);
  scanf ("%c", &ch3);
  printf ("i = %d\n", i);
  printf ("ch1 = '%c'\n", ch1);
  printf ("ch2 = '%c'\n", ch2);
  printf ("ch3 = '%c'\n", ch3);


  return 0;
}