Reverse bits of a given 32 bits unsigned integer.For example, given inpu...

Given a singly linked list, determine if it is a palindrome. Solution1: ...

Shuffle a set of numbers without duplicates.Example: Solution:

The thief has found himself a new place for his thievery again. There is...

Compare two version numbers version1 and version2. If version1 > version...

Find the nth digit of the infinite integer sequence 1, 2, 3, 4, 5, 6, 7,...

Given a linked list, remove the nth node from the end of list and return...

Given a string containing just the characters '(', ')', '{', '}', '[' an...

Given a pattern and a string str, find if str follows the same pattern. ...