杨领well的专栏

LeetCode: Weekly Contest 91 立个 flag: 希望以后能够每周参加 LeetCode 的周赛。 P.S. 比赛时写的代码可能不太具有可读性。 题解列表 1. LeetCode: 860. Lemonade Change 题解 这道题是签到题，利用贪心思想，每次尽量找面额大的钞票。 2. LeetCode: 863. All Nodes D...

LeetCode:Weekly Contest 101 题目描述 1. LeetCode: 900. RLE Iterator 题解 2. LeetCode: 901. Online Stock Span 题解 3. LeetCode: 902. Numbers At Most N Given Digit Set 题解 4. LeetCode: 903. Valid Permutat...

LeetCode: Weekly Contest 100 题目描述 1. LeetCode: 896. Monotonic Array 题解 2. LeetCode: 897. Increasing Order Search Tree 题解 3. LeetCode: 898. Bitwise ORs of Subarrays 题解 4. LeetCode: 899. Orderl...

LeetCode: Weekly Contest 99 题解列表 LeetCode: 892. Surface Area of 3D Shapes 题解 LeetCode: 893. Groups of Special-Equivalent Strings 题解 LeetCode: 894. All Possible Full Binary Trees 题解 LeetCode: 8...

LeetCode: Weekly Contest 98 题解列表 1. LeetCode: 888. Fair Candy Swap 题解 2. LeetCode: 890. Find and Replace Pattern 题解 3. LeetCode: 889. Construct Binary Tree from Preorder and Postorder Traversal...

LeetCode: Weekly Contest 94 题解列表 1. LeetCode: 872. Leaf-Similar Trees 题解 签到题。分别中序遍历两棵树，按顺序记录各自的叶子，然后比较是否相等。 2.LeetCode: 874. Walking Robot Simulation 题解 模拟机器人行走的过程，并记录到达的每个位置与原点的距离的最大值。 ...

LeetCode: Weekly Contest 95 题解列表 1. LeetCode: 876. Middle of the Linked List 题解 2.LeetCode: 877. Stone Game 题解 3.LeetCode: 878. Nth Magical Number 题解 4.LeetCode: 879. Profitable Schemes 题解...

LeetCode: Weekly Contest 93 题解列表 1. LeetCode: 868. Binary Gap 题解 2. LeetCode: 869. Reordered Power of 2 题解 3. LeetCode: 870. Advantage Shuffle 题解 4. LeetCode: 871. Minimum Number of Refueling S...

LeetCode: Weekly Contest 92 题解列表 1. LeetCode: 868. Transpose Matrix 题解 第一题照例是签到题， 根据矩阵的转置定义，行列互换。 2.LeetCode: 866. Smallest Subtree with all the Deepest Nodes 题解 关于二叉树的题，照例用递归分治思想求解。 3. LeetCode...