Idiot-maker

摘要： https://leetcode.com/problems/house-robber/ You are a professional robber planning to rob houses along a street. Each house has a certain amount of mo 阅读全文

摘要： https://leetcode.com/problems/happy-number/Write an algorithm to determine if a number is "happy".A happy number is a number defined by the following ... 阅读全文

摘要： https://leetcode.com/problems/remove-linked-list-elements/Remove all elements from a linked list of integers that have valueval.ExampleGiven:1 --> 2 -... 阅读全文

摘要： https://leetcode.com/problems/binary-tree-maximum-path-sum/Given a binary tree, find the maximum path sum.The path may start and end at any node in th... 阅读全文

摘要： https://leetcode.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal/ Given inorder and postorder traversal of a tree, construct t 阅读全文