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  1. #include <stdio.h>
  2.  
  3.  /* count digits, white space, others */
  4.  
  5.  int main(){
  6.  int c, i, nwhite, nother;
  7.  
  8.  
  9.  
  10. int ndigit[10];
  11.  nwhite = nother = 0;
  12.  for (i = 0; i < 10; ++i)
  13.  ndigit[i] =0;
  14.  while ((c = getchar()) != EOF)
  15.      if (c >= '0' && c <= '9'){
  16.         ++ndigit[c-48];
  17.         printf("%d\n",c);
  18.      }
  19.      else if (c == ' ' || c == '\n' || c == '\t')
  20.          ++nwhite;
  21.      else
  22.          ++nother;
  23.  
  24.  printf("digits =");
  25.  for (i = 0; i < 10; ++i)
  26.      printf(" %d", ndigit[i]);
  27.  printf(", white space = %d, other = %d\n",
  28.      nwhite, nother);
  29.      return 0;
  30.  }
  31.  
Success #stdin #stdout 0s 2252KB
comments (?)
stdin 
abc12323
stdout 
49
50
51
50
51
digits = 0 1 2 2 0 0 0 0 0 0, white space = 0, other = 3
https://ideone.com/nWZxL1
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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