摘要： Static and dynamic binding in javaBefore Iexplainstatic and dynamic binding in java, lets discuss few terms which will help you to understand the conc... 阅读全文

摘要： Sort a linked list inO(nlogn) time using constant space complexity.findMiddle: 将listnode 不停的拆分sort： 将拆分好的不同的sortmerge： 将sort好的，向上merge/** * Definition... 阅读全文

摘要： 至少有小写字母，大写字母，数字，特殊字符static bool IsLetter(char c){ return (c >= 'a' && c = 'A' && c = '0' && c 32 && c IsLetter(c)) && password.Any(c => IsD... 阅读全文

摘要： public class DiameterOfTree { public static int diameter = 0; public static int getDiameter(BinaryTreeNode root) { if (root != null) { ... 阅读全文

摘要： 找出一个string中第一个重复出现的单词；sample： he had had a good son.output: had句子中可能会出现，comma，colon， semicolon, dash, fullstop/dot解法：1；dash和dot 都是regular expression中的... 阅读全文

摘要： Given n items with size A[i], an integer m denotes the size of a backpack. How full you can fill this backpack?注意You can not divide any item into smal... 阅读全文

摘要： Related to questionExcel Sheet Column TitleGiven a column title as appear in an Excel sheet, return its corresponding column number.For example: A ... 阅读全文

摘要： Write a program to find the node at which the intersection of two singly linked lists begins.For example, the following two linked lists:A: a... 阅读全文

摘要： Given an arraySofnintegers, are there elementsa,b,cinSsuch thata+b+c= 0? Find all unique triplets in the array which gives the sum of zero.Note:Elemen... 阅读全文

摘要： Given an array of sizen, find the majority element. The majority element is the element that appears more than⌊ n/2 ⌋times.You may assume that the arr... 阅读全文