#k. 练69.2 单词倒排
练69.2 单词倒排
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说明
编写程序，读入一行英文(只包含字母和空格，单词间以单个空格分隔)，将所有单词的顺序倒排并输出，依然以单个空格分隔。
输入格式
输入为一个字符串（字符串长度至多为 ）。
输出格式
输出为按要求排序后的字符串。
样例
I am a studentstudent a am I20251012编程挑战精英赛训练
- Status
- Done
- Rule
- ACM/ICPC
- Problem
- 51
- Start at
- 2025-9-24 15:00
- End at
- 2025-11-5 7:00
- Duration
- 1000 hour(s)
- Host
-
jack
- Partic.
- 58