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 ...
Given a string S , return the reversed string where all characters that are not a letterstay in the same place, and all letters reverse their positions. Example : Example : Example : Note: S.length l ...
2019-10-18 23:43 0 1273 推荐指数:
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 ...
We have a string S of lowercase letters, and an integer array shifts. Call the shift of a letter, the next letter in the alphabet, (wrapping ...
Given a string which contains only lowercase letters, remove duplicate letters so that every letter appear once and only once. You must make sure ...
Given a 32-bit signed integer, reverse digits of an integer. Example 1: Example 2: Example 3: Note:Assume we are dealing ...
Given an array nums, we call (i, j) an important reverse pair if i < j and nums[i] > 2*nums[j]. You need to return the number of important ...
Given a string which contains only lowercase letters, remove duplicate letters so that every letter appear once and only once. You must make sure ...
Given an input string, reverse the string word by word. For example, Given s = "the sky is blue", return "blue is sky the". Update ...
Write a function that reverses a string. The input string is given as an array of characters char ...