吴一达

摘要：  Climbing Stairs You are climbing a stair case. It takes n steps to reach to the top. Each time you can either climb 1 o... 阅读全文

摘要： Write an algorithm to determine if a number is "happy". A happy number is a number defined by the following process: Starting with any positive in... 阅读全文

摘要： #!/bin/bash# Author:undoner# Copyright (c) undoner# Test Code# -----------------------------------------------------------------#标准输入输出echo "What is ... 阅读全文

摘要：  Remove all elements from a linked list of integers that have valueval. Example Given: 1 --> 2 --> 6 --> 3 --> 4 --> 5 --> 6, val = 6 Return: 1 --... 阅读全文