James Pan

原题网址：https://leetcode.com/problems/move-zeroes/ Given an array nums, write a function to move all 0's to the end of it while maintaining the relative order of the non-zero elements. For exam

原题网址：https://leetcode.com/problems/walls-and-gates/ You are given a m x n 2D grid initialized with these three possible values. -1 - A wall or an obstacle.0 - A gate.INF - Infinity means an em

原题网址：https://leetcode.com/problems/android-unlock-patterns/ Given an Android 3x3 key lock screen and two integers m and n, where 1 ≤ m ≤ n ≤ 9, count the total number of unlock patterns of the An

原题网址：https://leetcode.com/problems/dungeon-game/ The demons had captured the princess (P) and imprisoned her in the bottom-right corner of a dungeon. The dungeon consists of M x N rooms laid ou

原题网址：https://leetcode.com/problems/rotate-list/ Given a list, rotate the list to the right by k places, where k is non-negative. For example: Given 1->2->3->4->5->NULL and k = 2, return 4-

原题网址：https://leetcode.com/problems/self-crossing/ You are given an array x of n positive numbers. You start at point (0,0) and moves x[0] metres to the north, then x[1] metres to the west, x[

原题网址：https://leetcode.com/problems/find-median-from-data-stream/ Median is the middle value in an ordered integer list. If the size of the list is even, there is no middle value. So the median is