標籤:正則可以看做一門 DSL,但它卻應用極其廣泛,可以輕鬆解決很多情境下的字串匹配、篩選問題。同時呢有句老話:“ 如果你有一個問題,用Regex解決,那麼你現在就有兩個問題了。” Some people, when confronted with a problem, think "I know, I‘ll use regular expressions." Now they have two problems.今天我們就來聊聊 Java Regex
標籤:矩陣 路徑 演算法 面試 java 【064-Minimum Path Sum(最小路徑和)】【LeetCode-面試演算法經典-Java實現】【所有題目目錄索引】原題 Given a m x n grid filled with non-negative numbers, find a path from top
標籤:單鏈表 加法 演算法 面試 java 【066-Plus One(加一)】【LeetCode-面試演算法經典-Java實現】【所有題目目錄索引】原題 Given a non-negative number represented as an array of digits, plus one to the number.
標籤:二進位 演算法 面試 加法 java 【067-Add Binary(二進位加法)】【LeetCode-面試演算法經典-Java實現】【所有題目目錄索引】原題 Given two binary strings, return their sum (also a binary string). For example,
標籤:leetcode java candy 題目:There are N children standing in a line. Each child is assigned a rating value.You are giving candies to these children subjected to the following
標籤: 題目:題目:將一個正整數分解質因數。例如:輸入90,列印出90=2*3*3*5。 解題過程也很簡單,下面直接上代碼了:import java.util.ArrayList;import java.util.Scanner;public class decompose { ArrayList<Integer> list = new ArrayList<Integer>(); Scanner s = new Scanner(System.in);
標籤:leetcode java gas station 題目:There are N gas stations along a circular route, where the amount of gas at station i is gas[i].You have a car with an unlimited gas tank and
標籤: 題目:古典問題:有一對兔子,從出生後第3個月起每個月都生一對兔子,小兔子長到第三個月後每個月又生一對兔子,假如兔子都不死,問每個月的兔子總數為多少? 1.程式分析: 兔子的規律為數列1,1,2,3,5,8,13,21.... 典型的裴波拉切那問題不多說了,直接上代碼好了。import java.util.ArrayList;public class SecondThread{ static ArrayList<Integer> list = new