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539. Minimum Time Difference
Given a list of 24-hour clock time points in "Hour:Minutes" format, find the minimum minutes difference between any two time points in the list. Examp ...
分类:其他好文   时间:2017-10-18 14:53:32    阅读次数:156
Sum of AP series——AP系列之和
A series with same common difference is known as arithmetic series. The first term of series is 'a' and common difference is d. The series looks like ...
分类:其他好文   时间:2017-10-15 17:40:50    阅读次数:201
LeetCode 411: Minimum Unique Word Abbreviation
Note: This solution is combined with Trie + Generialized Abbreviation: 1. Since it looks for smallest one, we need persist a string to find minimum le ...
分类:其他好文   时间:2017-10-13 17:54:11    阅读次数:144
HDU-4715 Difference Between Primes(线性筛法)
Difference Between Primes Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4158 Accepted Submissio ...
分类:其他好文   时间:2017-10-12 21:48:06    阅读次数:241
Crack the code interview
感觉data structure的话不如刷题 所以就先看后面的吧 knowledge based Chapter 14 1.Difference between interface and abstract class: All methods in interface should be abst ...
分类:其他好文   时间:2017-10-10 14:36:39    阅读次数:170
POJ 3579 - Median 题解
此文为博主原创题解,转载时请通知博主,并把原文链接放在正文醒目位置。 题目链接:http://poj.org/problem?id=3579 Description Given N numbers, X1, X2, ... , XN, let us calculate the difference ...
分类:其他好文   时间:2017-10-10 10:05:25    阅读次数:255
LeetCode 4. Median of Two Sorted Arrays (分治)
两个有序的数组 nums1 和 nums2 维数分别为m,n。找所有数的中位数,复杂度 O(log (m+n)) 注意:奇偶个数,分治法求解,递归出口特殊处理。取Kth smallest数时,分治取mid=k/2和k-mid,避免奇数造成影响。 ...
分类:其他好文   时间:2017-10-09 19:34:58    阅读次数:147
LeetCode 378: Kth Smallest Element in Sorted Matrix
1. Use priority queue. Need to check whether one element has been double counted: 2 Binary search: For this kind of matrix, binary search should work ...
分类:其他好文   时间:2017-10-09 14:09:28    阅读次数:126
【js】apply&&call difference
1、方法定义 call方法: 语法:call([thisObj[,arg1[, arg2[, [,.argN]]]]]) 定义:调用一个对象的一个方法,以另一个对象替换当前对象。 说明: call 方法可以用来代替另一个对象调用一个方法。call 方法可将一个函数的对象上下文从初始的上下文改变为由 ...
分类:移动开发   时间:2017-10-08 19:03:35    阅读次数:175
Python之set集合与collections系列
1》set集合:是一个无序且不重复的元素集合;访问速度快,解决了重复的问题; s2 = set(["che","liu","haha"]) add():添加元素; difference():将前一个集合与后者的不同建立为一个新的集合;没有改变当前集合,生成了新的集合; difference_upda ...
分类:编程语言   时间:2017-10-03 22:23:40    阅读次数:220
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