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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
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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
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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
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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
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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
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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
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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
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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
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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
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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