1  /* Copyright (C) 1992-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <stdlib.h>
      19  #include <stdio.h>
      20  
      21  int
      22  main (void)
      23  {
      24    int err = 0;
      25    int i, j;
      26    while (scanf ("%d %d\n", &i, &j) == 2)
      27      {
      28        div_t d = div (i, j);
      29        printf ("%d / %d = %d + %d/%d", i, j, d.quot, d.rem, j);
      30        if (i == d.quot * j + d.rem)
      31  	fputs ("  OK\n", stdout);
      32        else
      33  	{
      34  	  fputs ("  FAILED\n", stdout);
      35  	  err = 1;
      36  	}
      37      }
      38    return err;
      39  }