YRB

摘要： 今天傍晚完成了Code Academy上Python的所有练习，感觉Python的原力在我身体里流淌......下面要学习一些进阶的东西。之前Zhi哥跟我说Python比较简单，我还不太信。其实早在四年前就想学Python了，买了书，但一直都没有学。就像算法一样...十几年前就买了算法导论...没有... 阅读全文

摘要： 祝大家圣诞快乐！昨天下班在电梯里遇见HR大BOSS，她说公司今天上午有2200个员工要带小孩子来参加Children's Holidy Party...我问了句，那是不是有免费早餐和午餐啊，她说 "Ye"，然后就再也不理我了。都说电梯里十几秒的时间很宝贵，我是不是没有get到她的点 -______-... 阅读全文

摘要： 从9月12号开始，到现在三个多月了，现在进度是300/304，后面几题难度比较大，尤其是dietpepsi加的一些Dynamic Programming的新题，自己往往做不出来要去看答案。今天起决定暂停做新题了，从头开始刷第二遍，之后的新题目，等到第二遍结束的时候再尝试挑战。 第二遍打算在两个月内刷 阅读全文

摘要： 题目： You want to build a house on an empty land which reaches all buildings in the shortest amount of distance. You can only move up, down, left and ri 阅读全文

摘要： 题目：Given a string which contains only lowercase letters, remove duplicate letters so that every letter appear once and only once. You must make sure y... 阅读全文

摘要： 题目：You are given an integer arraynumsand you have to return a newcountsarray. Thecountsarray has the property wherecounts[i]is the number of smaller e... 阅读全文

摘要： 题目： Given a binary tree, return the vertical order traversal of its nodes' values. (ie, from top to bottom, column by column). If two nodes are in the 阅读全文

摘要： 题目：Write a program to find the nthsuper ugly number.Super ugly numbers are positive numbers whose all prime factors are in the given prime listprimeso... 阅读全文

摘要： 题目：Givennballoons, indexed from0ton-1. Each balloon is painted with a number on it represented by arraynums. You are asked to burst all the balloons. ... 阅读全文

摘要： 题目：Given twosparse matricesAandB, return the result ofAB.You may assume thatA's column number is equal toB's row number.Example:A = [ [ 1, 0, 0], [-... 阅读全文