//==================================================== file = count01.c =====
//=  Program to create 0 and 1 counts of a series of 0's and 1's            =
//===========================================================================
//=  Notes:                                                                 =
//=    1) Input from input file "in.dat" to stdin (see example below)       =
//=        * Comments are not allowed                                       =
//=    2) Output is to stdout                                               =
//=-------------------------------------------------------------------------=
//= Example "in.dat" file:                                                  =
//=                                                                         =
//=   0                                                                     =
//=   0                                                                     =
//=   1                                                                     =
//=   0                                                                     =
//=   0                                                                     =
//=   0                                                                     =
//=   1                                                                     =
//=   1                                                                     =
//=   0                                                                     =
//=-------------------------------------------------------------------------=
//= Example output (for above "in.dat"):                                    =
//=                                                                         =
//=   ------------------------------------------------ count01.c -----      =
//=     0  2                                                                =
//=     1  1                                                                =
//=     0  3                                                                =
//=     1  2                                                                =
//=     0  1                                                                =
//=   ---------------------------------------------------------------       =
//=-------------------------------------------------------------------------=
//=  Build: bcc32 count01.c                                                 =
//=-------------------------------------------------------------------------=
//=  Execute: count01 < in.dat                                              =
//=-------------------------------------------------------------------------=
//=  Author: Kenneth J. Christensen                                         =
//=          University of South Florida                                    =
//=          WWW: http://www.csee.usf.edu/~christen                         =
//=          Email: christen@csee.usf.edu                                   =
//=-------------------------------------------------------------------------=
//=  History: KJC (11/25/02) - Genesis                                      =
//===========================================================================

//----- Include files -------------------------------------------------------
#include <stdio.h>                 // Needed for printf() and feof()
#include <stdlib.h>                // Needed for atoi()

//===========================================================================
//=  Main program                                                           =
//===========================================================================
void main(void)
{
  int      count0;                   // Current count of 0's
  int      count1;                   // Current count of 1's
  char     instring[80];             // String variable for input
  int      value;                    // Integer value of instring

  // Output a banner
  printf("----------------------------------------------- count01.c -----\n");

  // Loop to count 0's and 1's and output counts
  count0 = count1 = 0;
  while (!feof(stdin))
  {
    // Grab the next input
    scanf("%s \n", instring);
    value = atoi(instring);

    // Count the 0's
    if (value == 0)
    {
      count0++;
      if (count1 > 0) printf("  1  %3d \n", count1);
      count1 = 0;
    }

    // Count the 0's
    if (value == 1)
    {
      count1++;
      if (count0 > 0) printf("  0  %3d \n", count0);
      count0 = 0;
    }
  }

  // Output any final counts and trailer
  if (count0 > 0) printf("  0  %3d \n", count0);
  if (count1 > 0) printf("  1  %3d \n", count1);
  printf("---------------------------------------------------------------\n");
}