摘要：##add two number 题目要求：You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their ... 阅读全文

摘要：## Leet code3####Longest Substring Without Repeating Characters The function twoSum should return indices of the two numbers such that they add up to... 阅读全文

摘要：二分法查找是一种高效的查找方法 阅读全文

摘要：##Two sum (leetcode)refer:https://oj.leetcode.com/problems/two-sum/##Two SumGiven an array of integers, find two numbers such that they add up to a sp... 阅读全文

摘要：##计算小球轨迹：题目：有一个小球，从100米的高度落地，每次弹起来是原来下落高度的一半，求落地十次小球走的轨迹距离。##采用递归的思想，除了第一次小球落地需要... 阅读全文