Chao Cheng ufo22940268

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ufo22940268 / ids.js

Created May 22, 2021 06:14

ufo22940268 / 173.js

Created April 29, 2021 09:03

	//Implement the BSTIterator class that represents an iterator over the in-order
	//traversal of a binary search tree (BST):
	//
	//
	// BSTIterator(TreeNode root) Initializes an object of the BSTIterator class. Th
	//e root of the BST is given as part of the constructor. The pointer should be ini
	//tialized to a non-existent number smaller than any element in the BST.
	// boolean hasNext() Returns true if there exists a number in the traversal to t
	//he right of the pointer, otherwise returns false.
	// int next() Moves the pointer to the right, then returns the number at the poi

ufo22940268 / 55.js

Created April 28, 2021 11:11

	//Given an array of non-negative integers nums, you are initially positioned at
	//the first index of the array.
	//
	// Each element in the array represents your maximum jump length at that positio
	//n.
	//
	// Determine if you are able to reach the last index.
	//
	//
	// Example 1:

ufo22940268 / 438.js

Created April 26, 2021 05:50

	//Given two strings s and p, return an array of all the start indices of p's ana
	//grams in s. You may return the answer in any order.
	//
	//
	// Example 1:
	//
	//
	//Input: s = "cbaebabacd", p = "abc"
	//Output: [0,6]
	//Explanation:

ufo22940268 / init.sql

Last active April 12, 2021 05:55

	DROP TABLE IF EXISTS users;
	CREATE TABLE users
	(
	id bigint AUTO_INCREMENT PRIMARY KEY,
	nick_name varchar(20)
	);

	CREATE TABLE users2
	(
	id bigint AUTO_INCREMENT PRIMARY KEY,

ufo22940268 / index.html

Created December 23, 2020 06:59

ufo22940268 / ConnectedBareisTypeaheadSubfilter.test.tsx

Created December 7, 2020 09:02


	TestingLibraryElementError: Unable to find an element by: [data-tn="mlsSearchFilters-descWithCodeTypeaheadCheckbox"]

	<body>
	<div>
	<div
	aria-expanded="false"
	aria-haspopup="listbox"
	aria-labelledby="downshift-0-label"
	class="uc-descWithCodeTypeahead"

ufo22940268 / export_price.sql

Created December 3, 2020 01:12

	WITH orders AS (
	SELECT review, channel, t.product._id pid, t.product.martspec, t.product.costprice, t.product.price, "create"
	FROM (SELECT * FROM db_orders WHERE "create" BETWEEN timestamp '2020-11-01 00:00:00' AND timestamp '2020-11-30 23:59:00' AND paid = TRUE) orders
	CROSS JOIN unnest(products) AS t(product)
	)

	-- 2018-03-21 12:29:05
	, reviews AS (
	SELECT r.name reviewName, c.name channelName, m._id mid, r._id rid
	FROM db_reviews r

ufo22940268 / 91.js

Created November 16, 2020 01:38

	//A message containing letters from A-Z is being encoded to numbers using the fo
	//llowing mapping:
	//
	//
	//'A' -> 1
	//'B' -> 2
	//...
	//'Z' -> 26
	//
	//

ufo22940268 / quick_sort.js

Created November 3, 2020 06:30

	let inputs = [1, 4, 2, 7, 5]

	function quickSortImpl(nums, pivot) {
	if (nums.length == 0) {
	return []
	}

	return [...quickSortImpl(nums.filter(n => n < nums[pivot]), 0), nums[pivot], ...quickSortImpl(nums.filter((n, i) => n >= nums[pivot] && i != pivot), 0)]
	}