输入: matrix = [ [1, 2, 3], [4, 5, 6], [7, 8, 9] ] 输出: [1, 2, 3, 6, 9, 8, 7, 4, 5]
Learn how to generate a spiral matrix II in Python with step-by-step examples and explanations.
螺旋矩阵 Given an integern, generate a square matrix filled with elements from 1 ton2 in spiral order. For example, Givenn=3, You should return the following matrix: [ [ 1, 2, 3 ], [ 8, 9, 4 ], [ 7, 6, 5 ] ] 看博客园有人面试碰到过这个问题,长篇大论看得我头晕。跑去leetc...
Spiral Matrix II Description Given a positive integer n, generate a square matrix filled with elements from 1 to n2 in spiral order. Example: Input: Output: 分析 题目的意思是:实现一个n*n大小的螺旋矩阵。 这道题的思路很直接,按照规则顺时针填数就行了,这里注意边界的问题,从......
原题地址:https://oj.leetcode.com/problems/spiral-matrix/ 题意: Given a matrix ofmxnelements (mrows,ncolumns), return all elements of the matrix in spiral order. For example, Given the following matrix: [ [ 1, 2, 3 ], [ 4, 5, 6 ], ...
[Leetcode][python]Spiral Matrix/Spiral Matrix II/螺旋矩阵/螺旋矩阵 II,SpiralMatrix题目大意将一个矩阵中的内容螺旋输出。注意点:矩阵不一定是正方形例子:输入:matrix=[[1,2,3],[4,5,6],[7,8,9]]输出:[1,2,3,6,9,8,7,4,5]解题思路看代码就可以理解代码classSolution(
59. Spiral Matrix II——python 实现——array ... 54. 螺旋矩阵-M 54. 螺旋矩阵-M 给定一个包含 m x n 个元素的矩阵(m 行, n 列),请按照顺时针螺旋顺序,返回矩阵中的所有元素。 示例 1: 输入: [ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8, 9 ] ] 输出: [1,2,3,6,9,8,7,4,...
matrix = [[0] * n for _ in range(n)] self.row, self.col = 0, 0 self.curr = 1 def spiral(): move = False while self.col < n and not visited[self.row][self.col]: matrix[self.row][self.col] = self.curr self.curr += 1 ...
目录(?)[+] list array matrix 用python中的numpy包的时候不小心踩了array和matrix的大坑,又引申一下比较list array matrix之间的异同 1、list list可以明显和array、matrix区分,list通过[ ]申明,支持append extend等方法,没有shape方法。 使用如下: data=[] data.append([1,2]... ...
059.spiral-matrix-ii Given an integer n, generate a square matrix filled with elements from 1 to n2 in spiral order. For example, Given n = 3, You should return the following matrix: [ [ 1, 2, 3 ], [ 8, 9, 4 ]...