六道的专栏

LeetCode 2_Add Two Numbers 题目描述： You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Ad

LeetCode 3_Longest Substring Without Repeating Characters 题目描述： Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without re

LeetCode 4_Median of Two Sorted Arrays 题目描述： There are two sorted arrays nums1 and nums2 of size m and n respectively. Find the median of the two sorted arrays. The overall run time complexity sho

LeetCode 5_Longest Palindromic Substring  题目描述： Given a string S, find the longest palindromic substring in S. You may assume that the maximum length of S is 1000, and there exists one unique

l leetcode 21_Merge Two Sorted Lists 题目：Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists. 解法： #includ

看书虽然有必要，但是光看书大家斗志到是没用的，但是没办法，科研项目和互联网没关，只能找点题目来刷了！ 不多说，开始！ LeetCode_1   TwoSum 题目说明： Given an array of integers, find two numbers such that they add up to a specific target number. The fu

leetcode_171 Excel Sheet Column Number 题目： Related to question Excel Sheet Column Title Given a column title as appear in an Excel sheet, return its corresponding column number. 解法： c