2018年10月12日
70. Climbing Stairs
摘要： You are climbing a stair case. It takes n steps to reach to the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you cl 阅读全文
posted @ 2018-10-12 16:42 一丝清风一抹红尘 阅读(133) 评论(0) 推荐(0)
118. Pascal's Triangle
摘要： Given a non-negative integer numRows, generate the first numRows of Pascal's triangle. In Pascal's triangle, each number is the sum of the two numbers 阅读全文
posted @ 2018-10-12 16:00 一丝清风一抹红尘 阅读(127) 评论(0) 推荐(0)
21. Merge Two Sorted Lists
摘要： Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists. Example: 阅读全文
posted @ 2018-10-12 15:39 一丝清风一抹红尘 阅读(239) 评论(0) 推荐(0)
844. Backspace String Compare
摘要： Given two strings S and T, return if they are equal when both are typed into empty text editors. # means a backspace character. Example 1: Input: S = 阅读全文
posted @ 2018-10-12 14:32 一丝清风一抹红尘 阅读(341) 评论(0) 推荐(0)
836. Rectangle Overlap
摘要： A rectangle is represented as a list [x1, y1, x2, y2], where (x1, y1) are the coordinates of its bottom-left corner, and (x2, y2) are the coordinates 阅读全文
posted @ 2018-10-12 12:25 一丝清风一抹红尘 阅读(213) 评论(0) 推荐(0)