immjc

摘要： Given a string s consists of upper/lower-case alphabets and empty space characters ' ', return the length of last word in the string. If the last word 阅读全文

摘要： Given a non-empty string s, you may delete at most one character. Judge whether you can make it a palindrome. Example 1: Example 2: Note: 判断最多去掉一个字母后回 阅读全文