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  1. #include<stdio.h>
  2. #define TABINC 8
  3.  
  4. int main(void)
  5. {
  6.     int nb,nt,pos,c;
  7.  
  8.     nb = 0;
  9.     nt = 0;
  10.  
  11.     for(pos=1;(c=getchar())!=EOF;++pos)
  12.         if( c == ' ')
  13.         {
  14.             if((pos % TABINC) != 0)
  15.                 ++nb;
  16.             else
  17.             {
  18.                 nb = 0;
  19.                 ++nt;
  20.             }
  21.         }
  22.         else 
  23.         {
  24.             for( ; nt > 0 ; --nt)
  25.                 putchar('\t');
  26.             if( c == '\t')
  27.                 nb = 0;
  28.             else
  29.                 for( ; nb > 0; --nb)
  30.                     putchar(' ');
  31.  
  32.             putchar(c);
  33.  
  34.             if(c == '\n')
  35.                 pos = 0;
  36.             else if ( c == '\t')
  37.                 pos = pos + ( TABINC - (pos -1) % TABINC) - 1;
  38.         }
  39.  
  40.     return 0;
  41. }
Success #stdin #stdout 0s 9424KB
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https://ideone.com/BrNvkf
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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