输入一行字符，统计其中有多少个单词，单词之间用空格分隔开。
正确答案:
(1)get(string);改成gets(string)
(2)printf("there are% d words in the line./n",word)改成(printf("there are% d words in the line./n",num)
(2)printf("there are% d words in the line./n",word)改成(printf("there are% d words in the line./n",num)
答案解析:有
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