菱纱梦

摘要： A robot is located at the top-left corner of amxngrid (marked 'Start' in the diagram below).The robot can only move either down or right at any point ... 阅读全文

摘要： Given a non-negative number represented as an array of digits, plus one to the number.The digits are stored such that the most significant digit is at... 阅读全文

摘要： Pascal's TriangleGivennumRows, generate the firstnumRowsof Pascal's triangle.For example, givennumRows= 5,Return[ [1], [1,1], [1,2,1], [1,3,... 阅读全文

摘要： Sort ColorsGiven an array withnobjects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the or... 阅读全文

摘要： Given two sorted integer arrays A and B, merge B into A as one sorted array.Note:You may assume that A has enough space (size that is greater or equal... 阅读全文

摘要： Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).For example, this binary tree is symmetric: 1 / \ ... 阅读全文

摘要： 在一个女孩与一个女孩之间，我有极短暂的休息时间。 在这短暂的几分钟里，我往往会坐在窗前的白色椅子上，看楼下结满了野梨子的大树。果实起初是青灰色，味道很涩，后来渐渐变大而饱满，但果肉仍然极酸。多年来大树没有给过我哪怕一次惊喜；就像那些女孩子一样，它使我忧伤。 我是一名女子医院的外科医生，我的工作是... 阅读全文

摘要： ---恢复内容开始---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 lis... 阅读全文

摘要： Find the contiguous subarray within an array (containing at least one number) which has the largest sum.For example, given the array[−2,1,−3,4,−1,2,1,... 阅读全文

摘要： Given an array of integers, every element appearsthreetimes except for one. Find that single one.Note:Your algorithm should have a linear runtime comp... 阅读全文