给出正整数 n,生成正方形矩阵,矩阵元素为 1 到 n2 ,元素按顺时针顺序螺旋排列.例如,给定正整数 n = 3,应返回如下矩阵:[ [ 1, 2, 3 ], [ 8, 9, 4 ], [ 7, 6, 5 ]]详见:https://leetcode.com/problems/spiral-matrix-ii/description/ Java实现: class Solution { public int[][] generateMatrix(int n) { int[][] res=new i…

[059-Spiral Matrix II(螺旋矩阵II)] [LeetCode-面试算法经典-Java实现][全部题目文件夹索引] 原题 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…

题目链接:https://leetcode.com/problems/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: 3 Output: [ [ 1, 2, 3 ], [ 8, 9, 4 ], [ 7, 6, 5 ] ] 思路: 本题和54.Spi…

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 ], [ 7, 6, 5 ]] 解题思路: 参考Java for LeetCode 054 Spiral Matrix,修改下…

给出一个 m x n 的矩阵(m 行, n 列),请按照顺时针螺旋顺序返回元素.例如,给出以下矩阵:[ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8, 9 ]]应该返回 [1,2,3,6,9,8,7,4,5].详见:https://leetcode.com/problems/spiral-matrix/description/ Java实现: class Solution { public List<Integer> spiralOrder(int[][] matrix)…

Given a positive integer n, generate a square matrix filled with elements from 1 to n2 in spiral order. Example: Input: 3 Output: [ [ 1, 2, 3 ], [ 8, 9, 4 ], [ 7, 6, 5 ] ]思路 之前做过一个旋转数组的题,当时是旋转打印矩阵,这次只是构造一个旋转数组.方案还是一样的,条件变量也一样.时间复杂度为O(n*n), 空间复杂度为O(n)…

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 ], [ 7, 6, 5 ] ] 题解:以前做过的Spiral Matrix是给一个矩阵螺旋式的输出,这道题是给一个n,螺旋式的…

Given an integer n, generate a square matrix filled with elements from 1 to n 2 in spiral order. For example,Given n =3, You should return the following matrix: [ [ 1, 2, 3 ], [ 8, 9, 4 ], [ 7, 6, 5 ] ] 题意:给定整数n,以螺旋的方式形成一个n×n个矩阵. 思路:这题的思路和spiral matr…

Given an integer n, generate a square matrix filled with elements from 1 to n^2 in spiral order. For example,Given n = 3, You should return the following matrix: [ [ 1, 2, 3 ], [ 8, 9, 4 ], [ 7, 6, 5 ] ] 与 54. Spiral Matrix 类似,这次给定一个整数n,以螺旋顺序填充元素到n^2…

目录 问题 示例 分析 问题 该文章的最新版本已迁移至个人博客[比特飞],单击链接 https://www.byteflying.com/archives/3678 访问. 给定一个正整数 n,生成一个包含 1 到 n2n^2n2 所有元素,且元素按顺时针顺序螺旋排列的正方形矩阵. 输入: 3 输出: [ [ 1, 2, 3 ], [ 8, 9, 4 ], [ 7, 6, 5 ] ] Given a positive integer n, generate a square matrix fil…