{"problem":{"name":"[朝阳区小学组 2019] word","description":{"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。","description_type":"Markdown"},"platform":"Luogu","limit":{"time_limit":1000,"memory_limit":524288},"difficulty":{"LuoguStyle":"P2"},"is_remote":true,"is_sync":true,"sync_url":null,"sign":"LGB4267"},"statements":[{"statement_type":"Markdown","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。\n\n## Input\n\n不定长度的一段文本。\n\n## Output\n\n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。\n\n[samples]\n\n## Background\n\n数据为洛谷自造。\n\n## Note\n\n如果某一行上单词数为 $0$，要输出一个 $0$。","is_translate":false,"language":"English"}],"meta":{"iden":"LGB4267","tags":["字符串","2019","北京","科创活动","小学活动"],"sample_group":[["this is a test\nand can you do it","4 a is test this\n5 and can do it you"]],"created_at":"2026-03-03 11:09:25"}}