#2688. 练69.2 单词倒排
练69.2 单词倒排
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 $100$)。输出格式
输出为按要求排序后的字符串。I am a student
student a am I
I am a student
student a am I
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