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 

main() {
    int input, last = EOF;
    while ((input = getchar()) != EOF) {
       if (input == ' ' && last == ' ') continue;
       last = input; 
       putchar(input);
    }
}