LeetCode

… Read More »LeetCode: 1749. Maximum Absolute Sum of Any Subarray 解題紀錄

題目

Given an integer array nums where the elements are sorted in ascending order, convert it to a height-balanced binary search tree.

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You are given a 0-indexed array nums consisting of positive integers.

There are two types of operations that you can apply on the array any number of times:

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Given n points on a 2D plane where points[i] = [xi, yi], Return the widest vertical area between two points such that no points are inside the area.

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You are given an integer array prices representing the prices of various chocolates in a store. You are also given a single integer money, which represents your initial amount of money.

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An image smoother is a filter of the size 3 x 3 that can be applied to each cell of an image by rounding down the average of the cell and the eight surrounding cells (i.e., the average of the nine cells in the blue smoother). If one or more of the surrounding cells of a cell is not present, we do not consider it in the average (i.e., the average of the four cells in the red smoother).

… Read More »LeetCode: 1913-Maximum Product Difference Between Two Pairs 解題紀錄

題目

Given two strings s and t, return true if t is an anagram of s, and false otherwise.