fork(1) download
copy 
  1. #include <stdio.h>
  2. #include <stdbool.h> /* C99, but a good idea to use nonetheless */
  3.  
  4. int main() {
  5.     bool was_space; /* state variable */
  6.     char c; /* one-character buffer */
  7.  
  8.     while ( ( c = getchar() ) != EOF ) {
  9.         if ( ! was_space || c != ' ' ) putchar( c );
  10.         was_space = c == ' ';
  11.     }
  12.     return 0;
  13. }
  14.  
Success #stdin #stdout 0.01s 1724KB
comments (?)
stdin
copy 
one   two    four
stdout
copy 
one two four
https://ideone.com/LLmBh
language:
C (gcc 8.3)
created:
11 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!