Leetcode rectangle boxes. , grid[m - 1][n - 1]).

Leetcode rectangle boxes You have a grid of size n x 3 and you want to paint each cell of the grid with exactly one of the three colors: Red, Yellow, or Green while making sure that no two adjacent cells have the same color (i. You should pack your words in a greedy approach; that is, pack as many words as you can in each line. length, dimensions[i][0] represents the length and dimensions[i][1] represents the width of the rectangle i. , n == highLimit - lowLimit + 1), and an infinite number of boxes numbered from 1 to infinity. 放置盒子 - 有一个立方体房间，其长度、宽度和高度都等于 n 个单位。请你在房间里放置 n 个盒子，每个盒子都是一个单位边长的立方体。放置规则如下： * 你可以把盒子放在地板上的任何地方。 * 如果盒子 x 需要放置在盒子 y 的顶部，那么盒子 y 竖直的四个侧面都 必须 与另一个盒子 You are given n rectangles represented by a 0-indexed 2D integer array rectangles, where rectangles[i] = [width i, height i] denotes the width and height of the i th rectangle. e. Explore is a well-organized tool that helps you get the most out of LeetCode by providing structure to guide your progress towards the next step in your programming career. Better than official and forum solutions. 柱状图中最大的矩形 - 给定 n 个非负整数，用来表示柱状图中各个柱子的高度。 每个柱子彼此相邻，且宽度为 1 。 求在该柱状图中，能够勾勒出来的矩形的最大面积。 6 days ago · LeetCode solutions in any programming language Skip to content LeetCode Wiki 3380. Each of the digits 1-9 must occur exactly once in each column. ; Surround: The region is surrounded with 'X' cells if you can connect the region with 'X' cells and none of the region cells are on the edge of the board. The points are given in the integer array cardPoints. An obstacle and space are marked as 1 or 0 respectively in grid. Choose a subset of cuboids and place them on each other. All Solutions Can you solve this real interview question? Shortest Path in a Grid with Obstacles Elimination - You are given an m x n integer matrix grid where each cell is either 0 (empty) or 1 (obstacle). ; You are also given an integer truckSize, which is the maximum number of boxes that Level up your coding skills and quickly land a job. Let maxLen be the side length of the largest square you Mar 7, 2025 · LeetCode Solutions in C++20, Java, Python, MySQL, and TypeScript. Can you solve this real interview question? Maximum Number of Balls in a Box - You are working in a ball factory where you have n balls numbered from lowLimit up to highLimit inclusive (i. 3. 2. More formally, two rectangles are interchangeable if width i /height i == width j /height j (using Can you solve this real interview question? Rotting Oranges - You are given an m x n grid where each cell can have one of three values: * 0 representing an empty cell, * 1 representing a fresh orange, or * 2 representing a rotten orange. The first rectangle is defined by its bottom-left corner (ax1, ay1) and its top-right corner (ax2, ay2). You are given a 2D array boxTypes, where boxTypes[i] = [numberOfBoxes i, numberOfUnitsPerBox i]:. Can you solve this real interview question? Circle and Rectangle Overlapping - You are given a circle represented as (radius, xCenter, yCenter) and an axis-aligned rectangle represented as (x1, y1, x2, y2), where (x1, y1) are the coordinates of the bottom-left corner, and (x2, y2) are the coordinates of the top-right corner of the rectangle. You can return the answer in any order. numberOfBoxes i is the number of boxes of type i. Each column must contain the digits 1-9 without repetition. You are also given a 2D integer array points where points[j] = [xj, yj] is a point with coordinates (xj, yj). Rectangle Area Initializing search walkccc/LeetCode Style Guide 223. Example 2: Input: n = 5, m = 8 Output: 5 Example 3: Input: n = 11, m = 13 Output: 6 Constraints: 1 <= n, m <= 13 Can you solve this real interview question? Unique Paths - There is a robot on an m x n grid. Each square is dropped one at a time Can you solve this real interview question? Container With Most Water - You are given an integer array height of length n. Shuffle the Array; 1471. Can you solve this real interview question? Check if the Rectangle Corner Is Reachable - You are given two positive integers xCorner and yCorner, and a 2D array circles, where circles[i] = [xi, yi, ri] denotes a circle with center at (xi, yi) A conveyor belt has packages that must be shipped from one port to another within days days. ; Region: To form a region connect every 'O' cell. There are n vertical lines drawn such that the two endpoints of the ith line are (i, 0) and (i, height[i]). Return the fewest number of coins that you need to make up that amount. Since the answer may be very large, return it modulo 10 9 + 7. You may rotate these shapes. 114. 矩形面积 - 给你 二维 平面上两个 由直线构成且边与坐标轴平行/垂直 的矩形，请你计算并返回两个矩形覆盖的总面积。 每个矩形由其 左下 顶点和 右上 顶点坐标表示： * 第一个矩形由其左下顶点 (ax1, ay1) 和右上顶点 (ax2, ay2) 定义。 * 第二个矩形由其左下顶点 (bx1, by1) 和右上顶点 (bx2, by2) 定义。 Level up your coding skills and quickly land a job. Return the maximum height Can you solve this real interview question? Rectangle Area - Given the coordinates of two rectilinear rectangles in a 2D plane, return the total area covered by the two rectangles. , grid[0][0]). 223. You may assume all four edges of the grid are all surrounded by water. All Solutions Can you solve this real interview question? Sudoku Solver - Write a program to solve a Sudoku puzzle by filling the empty cells. Also, if a player cannot make a move, Can you solve this real interview question? Asteroid Collision - We are given an array asteroids of integers representing asteroids in a row. This is the best place to expand your knowledge and get prepared for your next interview. You are given a 2D integer array positions where positions[i] = [lefti, sideLengthi] represents the ith square with a side length of sideLengthi that is dropped with its left edge aligned with X-coordinate lefti. Even if the same lamp is listed more than once, it is turned on. Create Account . Example 1: Input: matrix = [["1","0 Can you solve this real interview question? Count Number of Rectangles Containing Each Point - You are given a 2D integer array rectangles where rectangles[i] = [li, hi] indicates that ith rectangle has a length of li and a height of hi. Return the area of the rectangle having the longest diagonal. grid[i][j] == grid[i + 1][j] (if it exists). It is also called "Ring Buffer". Constraints: rec1 放置盒子 - 有一个立方体房间，其长度、宽度和高度都等于 n 个单位。 请你在房间里放置 n 个盒子，每个盒子都是一个单位边长的立方体。 放置规则如下： * 你可以把盒子放在地板上的任何地方。 * 如果盒子 x 需要放置在盒子 y 的顶部， Building Boxes - You have a cubic storeroom where the width, length, and height of the room are all equal to n units. 矩形重叠 - 矩形以列表 [x1, y1, x2, y2] 的形式表示，其中 (x1, y1) 为左下角的坐标，(x2, y2) 是右上角的坐标。矩形的上下边平行于 x 轴，左右边平行于 y 轴。 如果相交的面积为 正 ，则称两矩形重叠。需要明确的是，只在角或边接触的两个矩形不构成重叠。 View your Submission records here. 最大矩形 - 给定一个仅包含 0 和 1 、大小为 rows x cols 的二维二进制矩阵，找出只包含 1 的最大矩形，并返回其面积。 示例 Can you solve this real interview question? Perfect Rectangle - Given an array rectangles where rectangles[i] = [xi, yi, ai, bi] represents an axis-aligned rectangle. In other words, pos x and pos y cannot be changed. Each row must contain the digits 1-9 without repetition. Given the two integers m and n, return the number of possible unique paths that Given an integer numRows, return the first numRows of Pascal's triangle. Sign In. The largest rectangle is shown in the red area, which has an area = 10 units. Connect: A cell is connected to adjacent cells horizontally or vertically. The idea is to recursively compute the maximum stack height starting from each box in all its possible orientations. Example 1: Input: heights = [2,1,5,6,2,3] Output: 10 Explanation: Rectangle Area - Given the coordinates of two rectilinear rectangles in a 2D plane, return the total area covered by the two rectangles. Largest Rectangle in Histogram - Given an array of integers heights representing the histogram's bar height where the width of each bar is 1, return the area of the largest rectangle in the histogram. Split Array with Equal Sum 🔒 549. Jun 15, 2024 · Rectangle Area - Given the coordinates of two rectilinear rectangles in a 2D plane, return the total area covered by the two rectangles. You start your journey from building 0 and 850. Each of the digits 1-9 must occur exactly once in each row. If that amount of money cannot be made up by any combination of the coins, return -1. Each day, we load the ship with packages on the conveyor belt (in the order given by weights). 最大矩形 - 给定一个仅包含 0 和 1 、大小为 rows x cols 的二维二进制矩阵，找出只包含 1 的最大矩形，并返回其面积。 示例 Maximum Area Rectangle With Point Constraints II - There are n points on an infinite plane. The indices of the asteriod in the array represent their relative position in space. Each of the digits 1-9 must occur exactly once in each of the 9 3x3 sub 6 days ago · DSA [500+ Leetcode] System Design CS Fund's Maths Numpy, Pandas, Matplotlib, Power BI ML with 5 mini & 1 Major Project Deep Learning & NLP Computer Vision & openCV with 1 Project Generative AI with 2 RAG Applications[Project] AI, Cursor AI, LLM, wit. You cannot move from your position, but you can rotate. Can you solve this real interview question? Subrectangle Queries - Implement the class SubrectangleQueries which receives a rows x cols rectangle as a matrix of integers in the constructor and supports two methods: 1. We start by generating all rotations of each box. Case 1 Case 2 Case 3. Anonymous User. Your job at this factory is to put each ball in the box with a number equal to the sum of digits of the ball's Can you solve this real interview question? Building Boxes - You have a cubic storeroom where the width, length, and height of the room are all equal to n units. l1: Top Left coordinate of first rectangle. 2 (squares of 1x1) 1 (square of 2x2). You have two types of tiles: a 2 x 1 domino shape and a tromino shape. Rectangle Area Can you solve this real interview question? Maximal Rectangle - Given a rows x cols binary matrix filled with 0's and 1's, find the largest rectangle containing only Can you solve this real interview question? Text Justification - Given an array of strings words and a width maxWidth, format the text such that each line has exactly maxWidth characters and is fully (left and right) justified. Maximal Rectangle; 86. matrix = [["1","0","1","0","0"],["1","0","1","1","1"],["1","1","1","1","1"],["1","0","0","1","0"]] Can you solve this real interview question? The Skyline Problem - A city's skyline is the outer contour of the silhouette formed by all the buildings in that city when viewed from a distance. 完美矩形 - 给你一个数组 rectangles ，其中 rectangles[i] = [xi, yi, ai, bi] 表示一个坐标轴平行的矩形。这个矩形的左下顶点是 (xi, yi) ，右上顶点是 (ai, bi) 。 如果所有矩形一起精确覆盖了某个矩形区域，则返回 true ；否则，返回 false 。 You are given a set of some types of rectangular 3-D boxes, where the ith box has height, width, and length height[i], width[i], and length[i] respectively. You are asked to place n boxes in this room where each box is a cube of unit side length. Initially, you are facing directly east from your position. This area is in the shape of a circle with the center as the Can you solve this real interview question? Valid Sudoku - Determine if a 9 x 9 Sudoku board is valid. 2250. Pad extra spaces ' ' when necessary so that each line has Largest Rectangle in Histogram - Given an array of integers heights representing the histogram's bar height where the width of each bar is 1, return the area of the largest rectangle in the histogram. Gray Code Remove Boxes; 547. You need to check if each cell grid[i][j] is:. Can you solve this real interview question? Construct the Rectangle - A web developer needs to know how to design a web page's size. The bottom-left point of the rectangle is (xi, yi) and the top-right point of it is (ai, bi). Number of Provinces 548. Each of the nine 3 x 3 sub-boxes of the grid must contain the digits 1-9 without 391. You can place cuboid i on cuboid j if width i <= width j and length i <= length j and height i <= height j. Example 1: Given an array of points where points[i] = [x i, y i] represents a point on the X-Y plane, return the maximum number of points that lie on the same straight line You are given an array points, an integer angle, and your location, where location = [pos x, pos y] and points[i] = [x i, y i] both denote integral coordinates on the X-Y plane. Ln 1, Col 1 备战技术面试？力扣提供海量技术面试资源，帮助你高效提升编程技能，轻松拿下世界 IT 名企 Dream Offer。 In-depth solution and explanation for LeetCode 223. 1739. Can you solve this real interview question? Maximal Rectangle - Given a rows x cols binary matrix filled with 0's and 1's, find the largest rectangle containing only Largest Rectangle in Histogram - Given an array of integers heights representing the histogram's bar height where the width of each bar is 1, return the area of the largest rectangle in the histogram. Number of Provinces; 548. 最大矩形 - 给定一个仅包含 0 和 1 、大小为 rows x cols 的二维二进制矩阵，找出只包含 1 的最大矩形，并返回其面积。 示例 Feb 28, 2025 · LeetCode Solutions in C++20, Java, Python, MySQL, and TypeScript. Given an integer n, return the number of ways to tile an 2 x n board. 1298. The k 85. Your score is the sum Level up your coding skills and quickly land a job. r2: Bottom Right coordinate of second rectangle. Practice this problem. You can cut the i th rectangle to form a square with a side length of k if both k <= l i and k <= w i. The i th package on the conveyor belt has a weight of weights[i]. Each student either prefers square or circular sandwiches. You may experience several rounds to remove boxes until there is no box 柱状图中最大的矩形 - 给定 n 个非负整数，用来表示柱状图中各个柱子的高度。 每个柱子彼此相邻，且宽度为 1 。 求在该柱状图中，能够勾勒出来的矩形的最大面积。 给你一个轴对齐的二维数组 rectangles 。 对于 rectangle[i] = [x1, y1, x2, y2]，其中 (x i1, y i1) 是该矩形 左下角 的坐标， (x i2, y i2) 是该矩形 右上角 的坐标。 计算平面中所有 rectangles 所覆 矩形面积 - 给你 二维 平面上两个 由直线构成且边与坐标轴平行/垂直 的矩形，请你计算并返回两个矩形覆盖的总面积。 每个矩形由其 左下 顶点和 右上 顶点坐标表示： * 第一个矩形由其左下 📺 视频题解 📖 文字题解 方法一：暴力枚举 思路及算法 最容易想到的方法是枚举数组中的每一个数 x，寻找数组中是否存在 target - x。 当我们使用遍历整个数组的方式寻找 target - x 时，需要注意到每一个位于 x 之前的元素都已经和 x 匹配过， Level up your coding skills and quickly land a job. Return true if the circle and rectangle are To solve this problem, we leverage the fact that a rectangle is defined by its two opposite corners. Example 1: Input: numRows = 5 Output: [[1],[1,1],[1,2,1],[1,3,3,1],[1,4,6,4,1]] Example 2: Input: numRows = 1 Output: [[1]] Constraints: 1 <= numRows <= 30 Can you solve this real interview question? Unique Paths II - You are given an m x n integer array grid. Smallest Rectangle Enclosing Black Pixels 🔒 303. At least one horizontal or vertical cell separates between Largest Rectangle in Histogram; 85. You are given two 2D integer arrays bottomLeft and topRight where bottomLeft[i] = [a_i, b_i] and topRight[i] = [c_i, d_i] represent the bottom-left and top-right coordinates of the i th rectangle, respectively. Merge Sorted Array; 89. Return the maximum amount of water a container can Given a rectangle of size n x m, return the minimum number of integer-sided squares that tile the rectangle. Battleships can only be placed horizontally or vertically on board. Given n cuboids where the dimensions of the i th cuboid is cuboids[i] = [width i, length i, height i] (0-indexed). * If box x is placed on top Rectangle Area - Given the coordinates of two rectilinear rectangles in a 2D plane, return the total area covered by the two rectangles. Mar 7, 2025 · LeetCode Solutions in C++20, Java, Python, MySQL, and TypeScript. Given an array of integers heights representing the histogram's bar height where the width of each bar is 1, return the area of the largest rectangle in the histogram. It is guaranteed that there will be a rectangle with a sum no larger than k. Example 1: Output: true. 覆盖所有点的最少矩形数目 - 给你一个二维整数数组 point ，其中 points[i] = [xi, yi] 表示二维平面内的一个点。同时给你一个整数 w 。你需要用矩形 覆盖所有 点。 每个矩形的左下角在某个点 (x1, 0) 处，且右上角在某个点 (x2, y2) 处， Can you solve this real interview question? Maximal Rectangle - Given a rows x cols binary matrix filled with 0's and 1's, find the largest rectangle containing only Sign in and share solutions. Register or Sign In. All students stand in a queue. Example 1: Input: n = 2, m = 3 Output: 3 Explanation: 3 squares are necessary to cover the rectangle. 柱状图中最大的矩形 - 给定 n 个非负整数，用来表示柱状图中各个柱子的高度。 每个柱子彼此相邻，且宽度为 1 。 求在该柱状图中，能够勾勒出来的矩形的最大面积。 Case 1 Case 2 Case 3. Equal to the cell below it, i. Example 1: Input: matrix = [["1","0","1","0 Case 1 Case 2 Case 3. So mainly we are given following four coordinates. Every close bracket has a corresponding open bracket of the Mar 4, 2025 · 编写一个算法来判断一个数 n 是不是快乐数。 「快乐数」 定义为： 对于一个正整数，每一次将该数替换为它每个位置上的数字的平方和。 然后重复这个过程直到这个数变为 1，也可能是 无限循环 但始终变不到 1。 如果这个过程 结果为 1，那么这个数就是快乐数。 柱状图中最大的矩形 - 给定 n 个非负整数，用来表示柱状图中各个柱子的高度。 每个柱子彼此相邻，且宽度为 1 。 求在该柱状图中，能够勾勒出来的矩形的最大面积。 Can you solve this real interview question? Sudoku Solver - Write a program to solve a Sudoku puzzle by filling the empty cells. Return true if all the cells satisfy these conditions, otherwise, return false. 完美矩形 - 给你一个数组 rectangles ，其中 rectangles[i] = [xi, yi, ai, bi] 表示一个坐标轴平行的矩形。这个矩形的左下顶点是 (xi, yi) ，右上顶点是 (ai, bi) 。 如果所有矩形一起精确覆盖了某个矩形区域，则返回 true ；否则，返回 false 。 Can you solve this real interview question? Perfect Rectangle - Given an array rectangles where rectangles[i] = [xi, yi, ai, bi] represents an axis-aligned rectangle. When a lamp is turned on 柱状图中最大的矩形 - 给定 n 个非负整数，用来表示柱状图中各个柱子的高度。 每个柱子彼此相邻，且宽度为 1 。 求在该柱状图中，能够勾勒出来的矩形的最大面积。 You are given a 2D 0-indexed integer array dimensions. For example, if you have a rectangle [4,6], you can cut it to get a square with a side length of at most 4. Given an m x n matrix board where each cell is a battleship 'X' or empty '. Probability of a Two Boxes Having The Same Number of Distinct Balls; 1469. You have to create a stack of boxes which is as tall as possible, but you can only stack a bo Oct 9, 2023 · Note that (3 × 2 × 1) box is not included to achieve the maximum height. r1: Bottom Right coordinate of first rectangle. Example 2: Output: false. The idea is to use dynamic programming to solve this problem. Can you solve this real interview question? Perfect Rectangle - Given an array rectangles where rectangles[i] = [xi, yi, ai, bi] represents an axis-aligned rectangle. One of the benefits of the Can you solve this real interview question? Divisor Game - Alice and Bob take turns playing a game, with Alice starting first. You need to find the maximum area of a square that can fit inside the intersecting region of at least Can you solve this real interview question? Maximal Rectangle - Given a rows x cols binary matrix filled with 0's and 1's, find the largest rectangle containing only 391. For all indices i, 0 <= i < dimensions. Each of the digits 1-9 must occur exactly once in each of the 9 3x3 sub Largest Rectangle in Histogram - Given an array of integers heights representing the histogram's bar height where the width of each bar is 1, return the area of the largest rectangle in the histogram. Sign in and share solutions. Partition List; 87. Given a rows x cols binary matrix filled with 0's and 1's, find the largest rectangle containing only 1's and return its area. The circular queue is a linear data structure in which the operations are performed based on FIFO (First In First Out) principle, and the last position is connected back to the first position to make a circle. 矩形面积 II - 给你一个轴对齐的二维数组 rectangles 。 对于 rectangle[i] = [x1, y1, x2, y2]，其中 (xi1, yi1) 是该矩形 左下角 的坐标， (xi2, yi2) 是该矩形 右上角 的坐标。 计算平面中所有 rectangles 所覆盖的 总面积 。任何被两个或多个矩形覆盖的区域应只计算 一次 。 85. Only the filled cells need to be validated according to the following rules: 1. Given n the number of rows of the grid, return the number of ways you can paint this grid. Example 1: Input: nums = [1,2,3] Output: [[1,2 Level up your coding skills and quickly land a job. Different from the cell to its right, i. The second rectangle is defined by its bottom-left corner (bx1, by1) and its top-right corner (bx2, by2). You are given two integer arrays xCoord and yCoord where (xCoord[i], yCoord[i]) represents the coordinates of the ith point. In other words, they can only be made of the shape 1 x k (1 row, k columns) or k x 1 (k rows, 1 column), where k can be of any size. Every minute, any fresh orange that is 4-directionally adjacent to a rotten orange becomes rotten. On each player's turn, that player makes a move consisting of: * Choosing any x with 0 < x < n and n % x == 0. Your field of view in degrees is represented by Given an array of integers heights representing the histogram's bar height where the width of each bar is 1, return the area of the largest rectangle in the histogram. 最大矩形 - 给定一个仅包含 0 和 1 、大小为 rows x cols 的二维二进制矩阵，找出只包含 1 的最大矩形，并返回其面积。 示例 85. Open brackets must be closed by the same type of brackets. The robot is initially located at the top-left corner (i. Return the minimum number of minutes that must Can you solve this real interview question? Maximum Points You Can Obtain from Cards - There are several cards arranged in a row, and each card has an associated number of points. The robot tries to move to the bottom-right corner (i. The ith rectangle has its bottom-left corner Smallest Rectangle Enclosing Black Pixels - Level up your coding skills and quickly land a job. Can you solve this real interview question? Rectangle Area - Given the coordinates of two rectilinear rectangles in a 2D plane, return the total area covered by the two rectangles. Can you solve this real interview question? Valid Parentheses - Given a string s containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid. LeetCode is the best platform to help you enhance your skills, expand your knowledge and prepare for technical interviews. Find two lines that together with the x-axis form a container, such that the container contains the most water. Range Sum Query - Immutable Remove Boxes 547. For a given box i with a particular orientation, the recursive relation is based on two conditions:. grid[i][j] != grid[i][j + 1] (if it exists). 836. Can you solve this real interview question? Detonate the Maximum Bombs - You are given a list of bombs. You have to take exactly k cards. The geometric information of each building is given in the array buildings where Can you solve this real interview question? Design Circular Queue - Design your implementation of the circular queue. updateSubrectangle(int row1, int col1, int row2, int col2, int newValue) * Updates all values with newValue in the subrectangle whose upper left 柱状图中最大的矩形 - 给定 n 个非负整数，用来表示柱状图中各个柱子的高度。 每个柱子彼此相邻，且宽度为 1 。 求在该柱状图中，能够勾勒出来的矩形的最大面积。 You are given a circle represented as (radius, xCenter, yCenter) and an axis-aligned rectangle represented as (x1, y1, x2, y2), where (x1, y1) are the coordinates of the bottom-left corner, and (x2, y2) are the coordinates of the top-right corner of the rectangle. Skip to content Follow @pengyuc_ on LeetCode Solutions 223. Level up your coding skills and quickly land a job. l2: Top Left coordinate of second rectangle. In a tiling, every square must be covered by a tile. For each asteroid, the absolute value represents its size, and the sign represents its direction (positive meaning right, negative meaning left). , no two cells that share vertical or horizontal sides have the same color). Can you solve this real interview question? Furthest Building You Can Reach - You are given an integer array heights representing the heights of buildings, some bricks, and some ladders. Feb 28, 2025 · LeetCode Solutions in C++20, Java, Python, MySQL, and TypeScript. , grid[m - 1][n - 1]). A sudoku solution must satisfy all of the following rules: 1. Smallest Rectangle Enclosing Black Pixels - Level up your coding skills and quickly land a job. 最大矩形 - 给定一个仅包含 0 和 1 、大小为 rows x cols 的二维二进制矩阵，找出只包含 1 的最大矩形，并返回其面积。 示例 Can you solve this real interview question? Maximal Rectangle - Given a rows x cols binary matrix filled with 0's and 1's, find the largest rectangle containing only Can you solve this real interview question? Valid Sudoku - Determine if a 9 x 9 Sudoku board is valid. Binary Tree Longest Consecutive Sequence II; Calculate Money in Leetcode Bank; 1717. For simplicity, we can easily enforce the constraint that a box’s width is never more than the length. Each of the nine 3 x 3 sub-boxes of the grid must contain the digits 1-9 without Can you solve this real interview question? Max Sum of Rectangle No Larger Than K - Given an m x n matrix matrix and an integer k, return the max sum of a rectangle in the matrix such that its sum is no larger than k. Example 3: Output: false. You are given a 2D array of lamp positions lamps, where lamps[i] = [rowi, coli] indicates that the lamp at grid[rowi][coli] is turned on. In other words, check if there is any point (x i, y Largest Rectangle in Histogram - Given an array of integers heights representing the histogram's bar height where the width of each bar is 1, return the area of the largest rectangle in the histogram. Skip to content Follow @pengyuc_ on LeetCode Solutions 1178. Examples: You are assigned to put some amount of boxes onto one truck. An island is surrounded by water and is formed by connecting adjacent lands horizontally or vertically. * Replacing the number n on the chalkboard with n - x. All Solutions 柱状图中最大的矩形 - 给定 n 个非负整数，用来表示柱状图中各个柱子的高度。 每个柱子彼此相邻，且宽度为 1 。 求在该柱状图中，能够勾勒出来的矩形的最大面积。 Can you solve this real interview question? Grid Illumination - There is a 2D grid of size n x n where each cell of this grid has a lamp that is initially turned off. 矩形面积 II - 给你一个轴对齐的二维数组 rectangles 。 对于 rectangle[i] = [x1, y1, x2, y2]，其中 (xi1, yi1) 是该矩形 左下角 的坐标， (xi2, yi2) 是该矩形 右上角 的坐标。 计算平面中所有 rectangles 所覆盖的 总面积 。任何被两个或多个矩形覆盖的区域应只计算 一次 。 The Geek Hub for Discussions, Learning, and Networking. Can you solve this real interview question? Coin Change - You are given an integer array coins representing coins of different denominations and an integer amount representing a total amount of money. Given the locations and heights of all the buildings, return the skyline formed by these buildings collectively. Find All The Lonely Nodes; 1470. Start Exploring. The number of sandwiches in the cafeteria is equal to the number of students. Initially, there is a number n on the chalkboard. Two rectangles i and j (i < j) are considered interchangeable if they have the same width-to-height ratio. Given an m x n binary matrix filled with 0's and 1's, find the largest square containing only 1's and return its area. There exist n rectangles in a 2D plane with edges parallel to the x and y axis. The range of a bomb is defined as the area where its effect can be felt. Example 1: Input: heights = [2,1,5,6,2,3] Output: 10 Explanation: The above is a histogram where width of each bar is 1. If there are multiple rectangles with the longest diagonal, return the area of the rectangle having the 3111. Number of 850. Number of Valid Words for Each Puzzle Initializing search walkccc/LeetCode LeetCode Solutions walkccc/LeetCode Home Style Guide 1178. Scramble String; 88. Rectangle Area in Python, Java, C++ and more. Return true if all the rectangles together form an exact cover of a rectangular region. Your task is to find the maximum area of a rectangle that: * Can be formed using four of these points as its corners. Maximum Score From Removing Substrings; LeetCode 热题 100 力扣最受刷题发烧友欢迎的 100 道题 动态规划（基础版） 更细的知识点拆分，让入门更简单 推荐 算法 数据结构 题目交流 职业发展 竞赛 前端 后端 LeetCode 算法图解 本书示例丰富，图文并茂，以简明易懂的方式阐释了算法，旨在帮助程序 Can you solve this real interview question? Number of Students Unable to Eat Lunch - The school cafeteria offers circular and square sandwiches at lunch break, referred to by numbers 0 and 1 respectively. There are however some rules to placing the boxes: * You can place the boxes anywhere on the floor. You can move up, down, left, or right from and to an empty cell in one step. ; numberOfUnitsPerBox i is the number of units in each box of the type i. In Pascal's triangle, each number is the sum of the two numbers directly above it as shown:. Open brackets must be closed in the correct order. Return true if the circle and rectangle are overlapped otherwise return false. In one step, you can take one card from the beginning or from the end of the row. Given two axis-aligned rectangles rec1 and rec2, return true if they overlap, otherwise return false. The area of the rectangular web page you designed must equal to the given 给定一个大小为 n x m 的长方形，返回贴满矩形所需的整数边正方形的最小数量。 示例 1： 输入：n = 2, m = 3 输出：3 解释：需要 3 个正方形来覆盖长方形。 2 个 1x1 的正方形 1 个 2x2 的正方形 示例 2： 输入：n = 5, m = 8 输出：5 示例 3： 输入：n = 11, m = 13 输出：6 85. Mar 12, 2025. ', return the number of the battleships on board. matrix = [["1","0","1","0","0"],["1","0","1","1","1"],["1","1","1","1","1"],["1","0","0","1","0"]] The Geek Hub for Discussions, Learning, and Networking. So, given a specific rectangular web page’s area, your job by now is to design a rectangular web page, whose length L and width W satisfy the following requirements: 1. There is a robot initially located at the top-left corner (i. We may not load more weight than the maximum weight capacity of the ship. You are given an m x n matrix board containing letters 'X' and 'O', capture regions that are surrounded:. matrix = [["1","0","1","0","0"],["1","0","1","1","1"],["1","1","1","1","1"],["1","0","0","1","0"]] Can you solve this real interview question? Number of Islands - Given an m x n 2D binary grid grid which represents a map of '1's (land) and '0's (water), return the number of islands. Split Array with Equal Sum; 549. There are however some rules to 12 hours ago · 在本压缩包中，我们关注的是一个Python编程与算法相关的主题，特别针对LeetCode平台上的第85题——“最大矩形”。这是一道典型的计算机科学问题，常常出现在求职 Remove Boxes - You are given several boxes with different colors represented by different positive numbers. 你能从盒子里获得的最大糖果数 - 给你 n 个盒子，每个盒子的格式为 [status, candies, keys, containedBoxes] ，其中： * 状态字 status[i]：整数，如果 box[i] 是开的，那么是 1 ，否则是 0 。 * 糖果数 candies[i]: 整数，表示 box[i] 中糖果的数目。 * 钥匙 keys[i]：数组，表示你打开 box[i] 后，可以得到一些盒子的 You are given an array rectangles where rectangles[i] = [l i, w i] represents the i th rectangle of length l i and width w i. 柱状图中最大的矩形 - 给定 n 个非负整数，用来表示柱状图中各个柱子的高度。 每个柱子彼此相邻，且宽度为 1 。 求在该柱状图中，能够勾勒出来的矩形的最大面积。 You are given a 2D matrix grid of size m x n. Dec 2, 2024 · Using Recursion – O(n^n) Time and O(n) Space. 4. An input string is valid if: 1. . 统计包含每个点的矩形数目 - 给你一个二维整数数组 rectangles ，其中 rectangles[i] = [li, hi] 表示第 i 个矩形长为 li 高为 hi 。给你一个二维整数数组 points ，其中 points[j] = [xj, yj] 是坐标为 (xj, yj) 的一个点。 第 i 个矩形的 左下角 在 (0, 0) 处，右上角 在 (li, hi) 。 Feb 12, 2025 · Note that a rectangle can be represented by two coordinates, top left and bottom right. Given an array nums of distinct integers, return all the possible permutations. Intuitions, example walk through, and complexity analysis. The robot can only move either down or right at any point in time. You can rearrange any cuboid's dimensions by rotating it to put it on another cuboid. Return the minimum number of steps to walk from the upper left corner (0, 0) to the lower right corner (m - 1, n - 1) 85. We check if the current box i can be placed on top of any previously considered box j, meaning the base of Can you solve this real interview question? Falling Squares - There are several squares being dropped onto the X-axis of a 2D plane. Thanks for using LeetCode! To view this question you must subscribe to premium. udzjbsz uuaadem ghhjv vuro axqxh lcewq wmxfd ibmgjd tqqe hbhp vkba pghqw kcihiwh urq xukhm