1.8.4

#include "stdio.h"
#include <string.h>    
#define MAX 1000
int main(void)    
{  
   char input[MAX];
   char output[MAX];
   char maxoutput[MAX];
   int maxlen = 0;
   int len;
   while( gets(input) != NULL )
   {
   	len = strlen( input );
   	printf( "当前行的长度为:%d\n",len );
	if( len > maxlen )  
	{
		maxlen = len;
		strcpy( output, input);
	}  
   }
   printf("最长的行长度为：%d\n内容为:%s\n",maxlen,output);
   return 0;    
}