参考答案

#include <stdio.h>
#include <string.h>

int main()
{
 char	str[]	= ” Computer Science ”;
 int	flag	= 1;
 char	*p	= str;

 while ( *p )
 {
 if ( flag )
 {
 printf( “ % c ”, *p );
 }
 flag = (flag + 1) % 2;
 p++;
 }
 printf( “ \ n ” );
 return(0);
}