Leetcode算法题-解法转载

版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/fuxuemingzhu/article/details/85112591 作者：负雪明烛 id： fuxuemingzhu 个人博客： http://fuxuemingzhu.cn/
把自己刷过的所有题目做一个整理，并且用简洁的语言概括了一下思路，汇总成了一个表格。
题目的排列顺序是按照先Easy再Medium再Hard排列的，暂时还没有把题目全部整理完成。后序我会把刷过的所有的题目都整理到这个文档里。
题目难度解法题目地址 566. Reshape the Matrix Easy 变长数组，求余法，维护行列计算在新的数组中的位置 https://blog.csdn.net/fuxuemingzhu/article/details/83626519 897. Increasing Order Search Tree Easy 直接中序遍历的结果放到链表结尾 https://blog.csdn.net/fuxuemingzhu/article/details/82349263 771. Jewels and Stones Easy 字典统计次数 https://blog.csdn.net/fuxuemingzhu/article/details/79188903 929. Unique Email Addresses Easy 字符串+set统计个数 https://blog.csdn.net/fuxuemingzhu/article/details/83478570 709. To Lower Case Easy ASIIC码操作ord,chr https://blog.csdn.net/fuxuemingzhu/article/details/81015228 804. Unique Morse Code Words Easy 字典映射 + set统计个数 https://blog.csdn.net/fuxuemingzhu/article/details/79774003 905. Sort Array By Parity Easy 自定义sorted函数的cmp为数字mod 2 https://blog.csdn.net/fuxuemingzhu/article/details/82732066 461. Hamming Distance Easy 先异或再数1的个数 https://blog.csdn.net/fuxuemingzhu/article/details/54138423 657. Robot Return to Origin Easy Counter统计，判断是否相等 https://blog.csdn.net/fuxuemingzhu/article/details/83663650 832. Flipping an Image Easy 直接计算新的数组的每个位置的值即可 https://blog.csdn.net/fuxuemingzhu/article/details/80471495 617. Merge Two Binary Trees Easy 树的递归操作 https://blog.csdn.net/fuxuemingzhu/article/details/79052953 28. Implement strStr() Easy 字符串遍历+切片是否相等的判断 https://blog.csdn.net/fuxuemingzhu/article/details/79254558 890. Find and Replace Pattern Easy 直接使用字典做映射 https://blog.csdn.net/fuxuemingzhu/article/details/82014687 814. Binary Tree Pruning Medium 二叉树的后序遍历 https://blog.csdn.net/fuxuemingzhu/article/details/79858752 561. Array Partition I Easy 排序+求和 https://blog.csdn.net/fuxuemingzhu/article/details/71412574 728. Self Dividing Numbers Easy 直接遍历区间的每个数字进行判断 https://blog.csdn.net/fuxuemingzhu/article/details/79053113 852. Peak Index in a Mountain Array Easy 二分查找的变种，使用Mid位置和左右位置比较 https://blog.csdn.net/fuxuemingzhu/article/details/80721162 922. Sort Array By Parity II Easy 分别求出奇偶数组然后拼接 https://blog.csdn.net/fuxuemingzhu/article/details/83045735 883. Projection Area of 3D Shapes Easy 分别计算三视图的面积即可 https://blog.csdn.net/fuxuemingzhu/article/details/81748335 908. Smallest Range I Easy 直接数学计算 https://blog.csdn.net/fuxuemingzhu/article/details/82824685 867. Transpose Matrix Easy 先构建数组再遍历实现翻转 https://blog.csdn.net/fuxuemingzhu/article/details/81015450 589. N-ary Tree Preorder Traversal Easy 多叉树的先序遍历，可以用递归和迭代 https://blog.csdn.net/fuxuemingzhu/article/details/81021950 590. N-ary Tree Postorder Traversal Easy 多叉树的后序遍历 https://blog.csdn.net/fuxuemingzhu/article/details/81017965 350. Intersection of Two Arrays II Easy 先排序然后用两个指针移动找出数组交集 https://blog.csdn.net/fuxuemingzhu/article/details/54341965 876. Middle of the Linked List Easy 快慢指针同时向链表后面移动 https://blog.csdn.net/fuxuemingzhu/article/details/81748484 700. Search in a Binary Search Tree Easy BST中节点的查找，递归 https://blog.csdn.net/fuxuemingzhu/article/details/81015754 933. Number of Recent Calls Easy 找出满足一定条件的区间长度，可以使用二分或者队列 https://blog.csdn.net/fuxuemingzhu/article/details/83714891 559. Maximum Depth of N-ary Tree Easy 求树的高度，可以使用BFS和DFS https://blog.csdn.net/fuxuemingzhu/article/details/81021864 557. Reverse Words in a String III Easy 字符串的单词分别翻转再拼接到一起就好了 https://blog.csdn.net/fuxuemingzhu/article/details/70141268 806. Number of Lines To Write String Easy 使用字典保存每个字符的长度，然后统计每行的长度是否超过100就好了 https://blog.csdn.net/fuxuemingzhu/article/details/79810381 344. Reverse String Easy 字符串翻转，[::-1 https://blog.csdn.net/fuxuemingzhu/article/details/51284382 811. Subdomain Visit Count Easy 字典保存每个子域名出现的次数即可 https://blog.csdn.net/fuxuemingzhu/article/details/79789925 476. Number Complement Easy 求数字的补数，方法是异或上与其二