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  1. #include <stdio.h>
  2. #include <ctype.h>
  3.  
  4. main() {
  5.     int c;
  6.     int a=0;
  7.  
  8.     while ((c=getchar()) != EOF) {
  9.  
  10.         if (isspace(c)){
  11.             a=a+1;
  12.             if (a<=1){
  13.             putchar(c);
  14.             }
  15.         } else {
  16.             a=0;
  17.             putchar(c);
  18.         }
  19.     }
  20.     return(0);
  21. }
  22.  
Success #stdin #stdout 0s 2296KB
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This  is    EASY
stdout
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This is EASY
https://ideone.com/bCzCA6
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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