Note: You may not slant the container and n is at least 2. 大致意思：给定n个非负整数...

Determine whether an integer is a palindrome. Do this without extra spac...

Implement atoi to convert a string to an integer. Hint: Carefully consid...

Reverse digits of an integer. ![Uploading 007_553011.jpg . . .] Example1...

The string "PAYPALISHIRING" is written in a zigzag pattern on a given nu...

Given a string s, find the longest palindromic substring in s. You may a...

There are two sorted arrays nums1 and nums2 of size m and n respectively...

Examples: Given "abcabcbb", the answer is "abc", which the length is 3. ...