二周 3-1

#include <iostream>
  
#include "string.h"
  
using namespace std;
  
void main ()  

{
	char string[81] ;  
	
  int  num=0 , word=0 ; 
  
  gets ( string ) ;     
  
  for ( int i=0 ; (string[i]!='\0') ; i++ ) 
  {

    if ( string[i]==' ' ) word = 0 ;
	
    else 
		
		if (word==0)          
		{
           word = 1 , num++ ;
		}
  }
	
  cout << " There are " << num << "words in the line " << endl; 
  
}  运行结果：