/*
编写一个将输入复制到输出的程序,
并将其连续的多个空格用一个空格代替
*/
#include <stdio.h>
int main()
{
char ch;
int count = 0;
while((ch = getchar()) != EOF)
{
if(ch != ' ')
{
count = 0;
putchar(ch);
}
else if(count == 0)
{
putchar(ch);
++count;
}
}
return 0;
}