{"raw_statement":[{"iden":"background","content":"数据为洛谷自造。"},{"iden":"statement","content":"输入一段文本，行数不超过 $200$ 行。每行上有若干个单词，每行上的单词数不超过 $200$，单词长度不超过 $20$。单词是指用空白符分开的连续字符串。你的任务是：统计每一行上的单词数，并将每行上的单词按字典序从小到大排序。"},{"iden":"input","content":"不定长度的一段文本。"},{"iden":"output","content":"若干行，每行的格式是：首先是一个整数 $n$，表示这一行上的单词个数，然后依次输出排序后的 $n$ 个单词。数据之间用一个空格分隔。"},{"iden":"note","content":"如果某一行上单词数为 $0$，要输出一个 $0$。"}],"translated_statement":null,"sample_group":[["this is a test\nand can you do it","4 a is test this\n5 and can do it you"]],"show_order":[],"formal_statement":null,"simple_statement":null,"has_page_source":false}