K&R Exercise 1-9 (C)

Question

\"Write a program to copy its input to its output, replacing each string of one or more blanks by a single blank.\"

I\'m assuming by thi

Answer 1

#include
#include

int main(void)
{
 int c, flag=0;

   while((c=getchar()) != EOF){

      if(c == ' '){
         if(flag == 0){
            flag=1;
            putchar(c);
        }
    }else{
        flag=0;
        putchar(c);
     }

   }

  return 0;

}

I hope this will help.