原创 206. Reverse Linked List
Reverse a singly linked list. /** * Definition for singly-linked list. * struct ListNode { * int val; *
2020-02-22 22:07:16
原创 C++數據結構---二叉樹（樹的節點創建）
二叉樹是一種比較重要的數據結構，圖就是根據二叉樹來編寫的。 代碼如下： #pragma once #ifndef BINNODE__HH #define BINNODE__HH #include<iostream> #incl
2020-02-22 22:07:05
原创 234. Palindrome Linked List
Given a singly linked list, determine if it is a palindrome. Follow up: Could you do it in O(n) time and O(1) spac
2020-02-22 22:07:05
原创 237. Delete Node in a Linked List
Write a function to delete a node (except the tail) in a singly linked list, given only access to that node. Suppos
2020-02-22 22:07:05
原创 142. Linked List Cycle II
Given a linked list, return the node where the cycle begins. If there is no cycle, return null. Note: Do not modify
2020-02-22 22:07:05
原创 202. Happy Number
Write an algorithm to determine if a number is “happy”. A happy number is a number defined by the following process
2020-02-22 22:07:05
原创 19. Remove Nth Node From End of List
Given a linked list, remove the nth node from the end of list and return its head. For example, Given linked list:
2020-02-22 22:07:05
原创 4. Median of Two Sorted Arrays
There are two sorted arrays nums1 and nums2 of size m and n respectively. Find the median of the two sorted arrays.
2020-02-22 22:07:05
原创 61. Rotate List
Given a list, rotate the list to the right by k places, where k is non-negative. For example: Given 1->2->3->4->5-
2020-02-22 22:07:05
原创 141. Linked List Cycle
Given a linked list, determine if it has a cycle in it. Follow up: Can you solve it without using extra space? /*
2020-02-22 22:07:05
原创 263. Ugly Number
Write a program to check whether a given number is an ugly number. Ugly numbers are positive numbers whose prime fa
2020-02-22 22:07:05
原创 C++實現LeetCode（三個數的和最接近目標數）
Leetcode：16題： Given an array S of n integers, find three integers in S such that the sum is closest to a given num
2020-02-22 22:07:05
原创 C++數據結構---鏈表（鏈表節點創建）
本文是爲了以下創建鏈表更加方便，而編寫的C++頭文件，作用是創建一個節點類，此處不採用class，而用struct。 Struct和Class的區別在於： 二者的訪問權限不同！！！！ 前者：訪問權限是public 後者：訪問
2020-02-22 22:07:05
原创 C++數據結構---鏈表（鏈表創建）
鏈表 是比較重要的一種數據結構，它的有點在於：插入和刪除操作。 與vector不同，list插入和刪除不需要移動其餘元素，而vector在中間插入時，需要將後面的元素依次向後移動，時間複雜度與待移動的元素有關，可見，元素越多，消
2020-02-22 22:07:05
原创 264. Ugly Number II
Write a program to find the n-th ugly number. Ugly numbers are positive numbers whose prime factors only include 2,
2020-02-22 22:07:05