数组·matrix模式

螺旋矩阵

Given an m x n matrix, return all elements in spiral order starting from the top-left corner.

螺旋矩阵 II

Generate a spiral matrix of size n x n, filled with elements from 1 to n² in spiral order, for interview-focused solving…

生命游戏

Solve the Game of Life by updating each cell based on its eight neighbors using Array and Matrix simulation patterns eff…

对角线遍历

Traverse a matrix diagonally and return all elements in the specific zig-zag order required by the problem pattern.

重塑矩阵

Reshape the Matrix involves transforming a 2D matrix into a new matrix with the same elements in row-major order, follow…

图片平滑器

Apply a 3x3 smoothing filter to a matrix, rounding down each cell average including surrounding neighbors for accurate r…

托普利茨矩阵

Determine if a given matrix is a Toeplitz matrix by checking diagonal consistency.

有效的井字游戏

Verify if a given Tic-Tac-Toe board can represent a valid game state during a valid sequence of moves.

图像重叠

Image Overlap requires calculating the overlap between two binary matrices by translating one image over the other.

转置矩阵

Transpose Matrix problem requires flipping a matrix's rows and columns to return the transposed version.

螺旋矩阵 III

Solve the Spiral Matrix III problem by simulating the movement across a matrix with specific constraints on direction an…

可以被一步捕获的棋子数

This problem involves finding the number of pawns a rook can capture on a chessboard, considering obstacles like bishops…

可以攻击国王的皇后

Identify all black queens on an 8x8 chessboard that can attack the white king using array and matrix simulation techniqu…

二维网格迁移

Shift 2D Grid requires shifting elements of a matrix by a given number of times, simulating step-by-step movement.

矩阵区域和

Compute a matrix where each cell contains the sum of all elements within k-distance blocks using prefix sums efficiently…

矩阵中的幸运数

The Lucky Numbers in a Matrix problem involves finding elements that are the minimum in their row and maximum in their c…

矩阵对角线元素的和

Calculate the sum of both primary and secondary diagonals in a square matrix while avoiding double-counting overlaps.

二进制矩阵中的特殊位置

Identify all special positions in a binary matrix where a 1 has no other 1s in its row or column, ensuring optimal array…

最富有客户的资产总量

Calculate the richest customer's wealth by summing the amounts in each customer's bank accounts in a matrix.

球会落何处

Determine where each ball exits a diagonal board grid or if it gets stuck, using matrix simulation with careful traversa…

判断矩阵经轮转后是否一致

Determine if a binary matrix can be transformed into another by rotating it 90 degrees multiple times.

最大的幻方

Find the side length of the largest magic square in a matrix where row, column, and diagonal sums are equal.

循环轮转矩阵

This problem requires cyclically rotating a grid by rotating each layer of the matrix counter-clockwise for a specified …

检查操作是否合法

Determine if a move on an 8x8 board is legal by validating lines in all directions using array and matrix patterns.