[LeetCode] Reverse Vowels of a String 翻转字符串中的元音字母
Write a function that takes a string as input and reverse only the vowels of a string. Example 1:Given s = "hello", return "holle". Example ...
原文：[LeetCode] 1220. Count Vowels Permutation 统计元音字母序列的数目
Given an integern, your task is to count how many strings of lengthncan be formed under the following rules: Each character is a lower case vowel a , e , i , o , u Each vowel a may only be followed b ...
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