abc_begin

摘要： Write a function that add two numbers A and B. You should not use + or any arithmetic operators. Notice There is no need to read data from standard in 阅读全文

摘要： Find the maximum node in a binary tree, return the node. Find the maximum node in a binary tree, return the node. Find the maximum node in a binary tr 阅读全文

摘要： Count how many nodes in a linked list. Count how many nodes in a linked list. Count how many nodes in a linked list. Example Given 1->3->5, return 3. 阅读全文

摘要： Remove all elements from a linked list of integers that have value val. Remove all elements from a linked list of integers that have value val. Remove 阅读全文

摘要： Find the Nth number in Fibonacci sequence. A Fibonacci sequence is defined as follow: The first two numbers are 0 and 1. The i th number is the sum of 阅读全文

摘要： Insert a node in a sorted linked list. Insert a node in a sorted linked list. Insert a node in a sorted linked list. Example Given list = 1->4->6->8 a 阅读全文