CNoodle

2020年3月20日

[LeetCode] 671. Second Minimum Node In a Binary Tree

摘要： Given a non-empty special binary tree consisting of nodes with the non-negative value, where each node in this tree has exactly two or zero sub-node. 阅读全文

posted @ 2020-03-20 04:33 CNoodle 阅读(194) 评论(0) 推荐(0)

[LeetCode] 230. Kth Smallest Element in a BST

摘要： Given the root of a binary search tree, and an integer k, return the kth smallest value (1-indexed) of all the values of the nodes in the tree. Exampl 阅读全文

posted @ 2020-03-20 03:04 CNoodle 阅读(170) 评论(0) 推荐(0)

[LeetCode] 238. Product of Array Except Self

摘要： Given an integer array nums, return an array answer such that answer[i] is equal to the product of all the elements of nums except nums[i]. The produc 阅读全文

posted @ 2020-03-20 01:26 CNoodle 阅读(333) 评论(0) 推荐(0)

2020年3月19日

[LeetCode] 273. Integer to English Words

摘要： Convert a non-negative integer num to its English words representation. Example 1: Input: num = 123 Output: "One Hundred Twenty Three" Example 2: Inpu 阅读全文

posted @ 2020-03-19 09:06 CNoodle 阅读(165) 评论(0) 推荐(0)

[LeetCode] 266. Palindrome Permutation

摘要： Given a string, determine if a permutation of the string could form a palindrome. Example 1: Input: "code" Output: false Example 2: Input: "aab" Outpu 阅读全文

posted @ 2020-03-19 06:08 CNoodle 阅读(143) 评论(0) 推荐(0)

[LeetCode] 409. Longest Palindrome

摘要： Given a string s which consists of lowercase or uppercase letters, return the length of the longest palindrome that can be built with those letters. L 阅读全文

posted @ 2020-03-19 05:34 CNoodle 阅读(202) 评论(0) 推荐(0)

2020年3月18日

[LeetCode] 124. Binary Tree Maximum Path Sum

摘要： A path in a binary tree is a sequence of nodes where each pair of adjacent nodes in the sequence has an edge connecting them. A node can only appear i 阅读全文

posted @ 2020-03-18 14:34 CNoodle 阅读(449) 评论(0) 推荐(0)

[LeetCode] 111. Minimum Depth of Binary Tree

摘要： Given a binary tree, find its minimum depth. The minimum depth is the number of nodes along the shortest path from the root node down to the nearest l 阅读全文

posted @ 2020-03-18 10:29 CNoodle 阅读(461) 评论(0) 推荐(0)

[LeetCode] 687. Longest Univalue Path

摘要： Given the root of a binary tree, return the length of the longest path, where each node in the path has the same value. This path may or may not pass 阅读全文

posted @ 2020-03-18 06:19 CNoodle 阅读(220) 评论(0) 推荐(0)

[LeetCode] 543. Diameter of Binary Tree

摘要： Given the root of a binary tree, return the length of the diameter of the tree. The diameter of a binary tree is the length of the longest path betwee 阅读全文

posted @ 2020-03-18 01:58 CNoodle 阅读(343) 评论(0) 推荐(0)

2020年3月17日

[LeetCode] 114. Flatten Binary Tree to Linked List

摘要： Given the root of a binary tree, flatten the tree into a "linked list": The "linked list" should use the same TreeNode class where the right child poi 阅读全文

posted @ 2020-03-17 02:51 CNoodle 阅读(558) 评论(0) 推荐(0)

2020年3月16日

[LeetCode] 556. Next Greater Element III

摘要： Given a positive integer n, find the smallest integer which has exactly the same digits existing in the integer n and is greater in value than n. If n 阅读全文

posted @ 2020-03-16 08:54 CNoodle 阅读(200) 评论(0) 推荐(0)

[LeetCode] 503. Next Greater Element II

摘要： Given a circular integer array nums (i.e., the next element of nums[nums.length - 1] is nums[0]), return the next greater number for every element in 阅读全文

posted @ 2020-03-16 02:22 CNoodle 阅读(198) 评论(0) 推荐(0)

2020年3月15日

[LeetCode] 496. Next Greater Element I

摘要： The next greater element of some element x in an array is the first greater element that is to the right of x in the same array. You are given two dis 阅读全文

posted @ 2020-03-15 14:02 CNoodle 阅读(198) 评论(0) 推荐(0)

[LeetCode] 739. Daily Temperatures

摘要： Given an array of integers temperatures represents the daily temperatures, return an array answer such that answer[i] is the number of days you have t 阅读全文

posted @ 2020-03-15 07:40 CNoodle 阅读(258) 评论(0) 推荐(0)

2020年3月14日

[LeetCode] 1019. Next Greater Node In Linked List

摘要： You are given the head of a linked list with n nodes. For each node in the list, find the value of the next greater node. That is, for each node, find 阅读全文

posted @ 2020-03-14 09:13 CNoodle 阅读(250) 评论(0) 推荐(0)

[LeetCode] 6. ZigZag Conversion

摘要： The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font 阅读全文

posted @ 2020-03-14 03:32 CNoodle 阅读(457) 评论(0) 推荐(0)

[LeetCode] 1007. Minimum Domino Rotations For Equal Row

摘要： In a row of dominoes, A[i] and B[i] represent the top and bottom halves of the i-th domino. (A domino is a tile with two numbers from 1 to 6 - one on 阅读全文

posted @ 2020-03-14 02:44 CNoodle 阅读(151) 评论(0) 推荐(0)

2020年3月13日

[LeetCode] 692. Top K Frequent Words

摘要： Given an array of strings words and an integer k, return the k most frequent strings. Return the answer sorted by the frequency from highest to lowest 阅读全文

posted @ 2020-03-13 14:50 CNoodle 阅读(271) 评论(0) 推荐(0)

[LeetCode] 973. K Closest Points to Origin

摘要： We have a list of points on the plane. Find the K closest points to the origin (0, 0). (Here, the distance between two points on a plane is the Euclid 阅读全文

posted @ 2020-03-13 11:51 CNoodle 阅读(294) 评论(0) 推荐(0)

Let the code speak for you.

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