Given a non-empty string s, you may delete at most one character. Judge whether you can make it a palindrome. 680. Valid Palindrome II leetcode

Given an absolute path for a file (Unix-style), simplify it. Or in other words, convert it to the canonical path. ^{ 有更新！ } String - 71. Simplify Path leetcode

Given two binary strings, return their sum (also a binary string). ^{ 有更新！ } String - 67. Add Binary leetcode

Given an input string (s) and a pattern (p), implement wildcard pattern matching with support for '?' and '*'. ^{ 有更新！ } String - 44. Wildcard Matching leetcode

Given two non-negative integers num1 and num2 represented as strings, return the product of num1 and num2, also represented as a string. ^{ 有更新！ } string- 43. Multiply Strings leetcode

8.String to Integer (atoi) Implement atoi which converts a string to an integer. The function first discards as many whitespace characters as necessary until the first non-whitespace character is found. Then, starting from this character, takes an optional initial plus or minus sign followed by as many numerical digits as possible, and interprets them as a numerical value. The string can contain additional characters after those that form the integral number, which are ignored and have no effect.... ^{ 有更新！ } String - 8. String to Integer (atoi) leetcode