原创 leetcode481. Magical String
題目要求 A magical string S consists of only '1' and '2' and obeys the following rules: The string S is magical because con
2019-10-08 00:35:21
原创 深入探尋JAVA8 part1：函數式編程與Lambda表達式
開篇 在很久之前粗略的看了一遍《Java8 實戰》。客觀的來，說這是一本寫的非常好的書，它由淺入深的講解了JAVA8的新特性以及這些新特性所解決的問題。最近重新拾起這本書並且對書中的內容進行深入的挖掘和沉澱。接下來的一段時間將會結合這本書，
2019-10-07 20:45:26
原创 leetcode477. Total Hamming Distance
題目要求 The Hamming distance between two integers is the number of positions at which the corresponding bits are different.
2019-10-06 15:15:30
原创 leetcode467. Unique Substrings in Wraparound String
題目要求 Consider the string s to be the infinite wraparound string of "abcdefghijklmnopqrstuvwxyz", so s will look like thi
2019-10-05 23:05:25
原创 leetcode407. Trapping Rain Water II
題目要求 Given an m x n matrix of positive integers representing the height of each unit cell in a 2D elevation map, compute
2019-10-02 23:15:22
原创 leetcode474. Ones and Zeroes
題目要求 In the computer world, use restricted resource you have to generate maximum benefit is what we always want to pursu
2019-10-02 01:35:28
2
原创 leetcode435. Non-overlapping Intervals
題目要求 Given a collection of intervals, find the minimum number of intervals you need to remove to make the rest of the in
2019-09-30 23:15:22
原创 Mockito入門：如何在Spring中Mock部分對象
前情提要 隨着分佈式應用的開發逐漸成爲標配，多個微服務團隊合作來完成垂直業務的開發成爲了一種常態。微服務使得團隊可以專注於自己的業務邏輯，在和下游依賴和上游對接的團隊聚焦好接口之後，就進入正式的開發。但是，每個團隊的開發節奏往往不同，下游依
2019-09-29 19:25:29
20
原创 leetcode463. Island Perimeter
題目要求 You are given a map in form of a two-dimensional integer grid where 1 represents land and 0 represents water. Grid
2019-08-10 17:35:01
2
原创 leetcode486. Predict the Winner
題目要求 Given an array of scores that are non-negative integers. Player 1 picks one of the numbers from either end of the a
2019-08-10 02:05:05
原创 leetcode433. Minimum Genetic Mutation
題目要求 A gene string can be represented by an 8-character long string, with choices from "A", "C", "G", "T". Suppose we n
2019-08-08 01:55:02
原创 leetcode462. Minimum Moves to Equal Array Elements II
題目要求 Given a non-empty integer array, find the minimum number of moves required to make all array elements equal, where
2019-07-30 01:45:00
原创 leetcode436. Find Right Interval
題目要求 Given a set of intervals, for each of the interval i, check if there exists an interval j whose start point is bigg
2019-07-13 17:25:01
原创 leetcode430. Flatten a Multilevel Doubly Linked List
題目要求 You are given a doubly linked list which in addition to the next and previous pointers, it could have a child point
2019-07-06 19:35:02
1
原创 leetcode442. Find All Duplicates in an Array
題目要求 Given an array of integers, 1 ≤ a[i] ≤ n (n = size of array), some elements appear twice and others appear once. F
2019-07-02 00:35:18