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

Using the constraints of not using else or and operators. This code only prints a blank when the blank variable is equal to 1 and the only way to reset the counter is by typing something other than a blank. Hope this helps:

include

/* Write a program that replaces strings of blanks with a single blank */

void main(){ int c, bl;

bl = 0;

while((c = getchar()) != EOF){
    if(c == ' '){
        ++bl;
        if(bl == 1){
            putchar(' ');
        }
    }
    if(c != ' '){
        putchar(c);
        bl = 0;
    }
}       

}