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: a1 → a... 阅读全文

摘要：QUESTIONA peak element is an element that is greater than its neighbors.Given an input array wherenum[i] ≠ num[i+1], find a peak element and return it... 阅读全文

摘要：QUESTIONThe demons had captured the princess (P) and imprisoned her in the bottom-right corner of a dungeon. The dungeon consists of M x N rooms laid ... 阅读全文

摘要：QUESTIONImplement an iterator over a binary search tree (BST). Your iterator will be initialized with the root node of a BST.Calling next() will retur... 阅读全文

摘要：QUESTIONGiven an integer n, return the number of trailing zeroes in n!.Note: Your solution should be in logarithmic time complexity.FIRST TRYclass Sol... 阅读全文

摘要：QUESTIONRelated to question Excel Sheet Column TitleGiven a column title as appear in an Excel sheet, return its corresponding column number.For examp... 阅读全文

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

摘要：QUESTIONGiven a positive integer, return its corresponding column title as appear in an Excel sheet.For example: 1 -> A 2 -> B 3 -> C ... ... 阅读全文