Be a Good Techer and Tech for Good. www.goodtecher.com
Description https://leetcode.com/problems/find-the-distance-value-between-two-arrays/ Given two integer arrays arr1 and arr2, and the integer d, return the distance value between the two arrays. The distance value is defined…
Description https://leetcode.com/problems/relative-sort-array/ Given two arrays arr1 and arr2, the elements of arr2 are distinct, and all elements in arr2 are also in arr1. Sort the elements of arr1 such that…
Description https://leetcode.com/problems/height-checker/ A school is trying to take an annual photo of all the students. The students are asked to…
Description https://leetcode.com/problems/di-string-match/ A permutation perm of n + 1 integers of all the integers in the range [0, n] can be represented as a string s of length n where:…
Description https://leetcode.com/problems/minimum-operations-to-make-the-array-increasing/ You are given an integer array nums (0-indexed). In one operation, you can choose an element of the array and…
Description https://leetcode.com/problems/check-if-the-sentence-is-pangram/ A pangram is a sentence where every letter of the English alphabet appears at least once. Given a string sentence containing only…
Description https://leetcode.com/problems/find-customers-with-positive-revenue-this-year/ SQL Schema Table: Customers +————–+——+ | Column Name | Type | +————–+——+ | customer_id | int | | year…
Description https://leetcode.com/problems/sort-array-by-parity/ Given an array A of non-negative integers, return an array consisting of all the even elements of A, followed by all…
Description https://leetcode.com/problems/sign-of-the-product-of-an-array/ There is a function signFunc(x) that returns: 1 if x is positive. -1 if x is negative. 0 if x is equal to 0. You are given an integer array nums.…
Description https://leetcode.com/problems/determine-color-of-a-chessboard-square/ You are given coordinates, a string that represents the coordinates of a square of the chessboard. Below is a…