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replace more blanks with one blank

/ Published in: C
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  1. #include <stdio.h>
  2. int main (int argc, const char * argv[]){
  3. int c, blank=0;
  4.  
  5.      c=getchar();
  6.      while(c != EOF){
  7.           if(c==' '&&blank==0){
  8.                blank++;
  9.                putchar(c);
  10.                c=getchar();
  11.           }    
  12.           elseif(c==' '&&blank!=0){
  13.                c=getchar();
  14.           }
  15.           else{
  16.                putchar(c);
  17.                c=getchar();
  18.                blank=0;
  19.           }
  20.      }
  21. }

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