https://leetcode.com/problems/spiral-matrix/ Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. For example,Given the following matrix: [ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8, 9 ] ] You should return …

1. Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. For example,Given the following matrix: [ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8, 9 ] ] You should return [1,2,3,6,9,8,7,4,5]. vector<int> spiralOr…

54题是把二维数组安卓螺旋的顺序进行打印,59题是把1到n平方的数字按照螺旋的顺序进行放置 54. Spiral Matrix start表示的是每次一圈的开始,每次开始其实就是从(0,0).(1,1)这种开始的. 用endx.endy来表示每次转圈的x.y方向的终止位置,方便后面进行边界条件设置. 注意:后面start < endx && start < endy.start < endy && start < endx-1都必须同时满足x.y的条…

54. Spiral Matrix [Medium] Description Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. Example 1: Input: [ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8, 9 ] ] Output: [1,2,3,6,9,8,7,4,5] Example 2: Input:…

1. 原题链接 https://leetcode.com/problems/spiral-matrix-ii/description/ 2. 题目要求 给定一个正整数n,求出从1到n平方的螺旋矩阵.例如n为3,构成的螺旋矩阵如下图所示 3. 解题思路 该题与54题Spiral Matrix的解题思路大致相同,同样是一个while循环内,确定螺旋矩阵一个圈上的所有元素. 采用一个计数器count,count初始为1,每确定一个位置上的元素,count加1, 4. 代码实现 public class…

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 ] ] 思路完全同 54. Spiral Matrix(中等). 自个代码: ve…

一天一道LeetCode系列 (一)题目 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 ] ] (二)解题 思路参考: [一天一道LeetCode…

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…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 维护四个边界和运动方向 保存已经走过的位置 日期 题目地址:https://leetcode.com/problems/spiral-matrix-ii/description/ 题目描述 Given an integer n, generate a square matrix filled with elements from 1 to n2 in…

Spiral Matrix Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. For example, Given the following matrix: [ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8, 9 ] ] You should return [1,2,3,6,9,8,7,4,5]. 思路: 可参考剑指…

原题地址 相比于Spiral Matrix(参见这篇文章)要简单一些,因为是方阵,所以代码简洁一些. 注意当n是奇数的时候,中心小块要单独赋值(代码21行) 代码: vector<vector<int> > generateMatrix(int n) { vector<vector<)); ; ; ; ; ) { ; k < len; k++) matrix[i][j++] = count++; ; k < len; k++) matrix[i++][j]…

题目: 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 ] ] 链接: http://leetcode.com/problems/spiral-mat…

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 ] ] [题目分析] 与Spiral Matrix不同,这个题目要求生成一个方阵,方阵的值是螺旋递增的…

Leetcode59 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 ], [ 7, 6, 5 ] ]回型打印整数n.Tips: dr dc…

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 ] ] class Solution { public: vector<vector<int>> generateMatrix(int n) { ve…

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 ] ] 题目标签:Array 这道题目和之前的螺旋矩阵几乎没有区别,而且更简单.同样按照螺旋矩阵的特性…

Given a positive integer n, generate a square matrix filled with elements from 1 to n^2 in spiral order. Example: Input: 3 Output: [ [ 1, 2, 3 ], [ 8, 9, 4 ], [ 7, 6, 5 ] ] 题意: 给定n, 把1至n ^ 2所有的数,按照螺旋顺序填入方阵. code /* Time: O(n^2) Space: O(n^2) */ class…

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 ] ] class Solution { public: vector<vector<int>…

题目 Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. For example, Given the following matrix: [ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8, 9 ] ] You should return [1,2,3,6,9,8,7,4,5]. 分析 螺旋循环输出二维矩阵 AC代码 c…

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 ] ] class Solution { public int[][] generateMatrix(int n) { int[][] matrix = new i…

48. Rotate Image 先按对角线对称图形,再水平对折. class Solution { public void rotate(int[][] matrix) { //1.transpose for(int i = 0; i < matrix.length; i++){ for(int j = 0; j < i; j++){ int temp = matrix[i][j]; matrix[i][j] = matrix[j][i]; matrix[j][i] = temp; } }…

题目 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 ] ] 分析 与54题Spiral Matrix相似题,为一个二维矩阵进行螺旋状赋值 AC代码…

54. Spiral Matrix Problem's Link ---------------------------------------------------------------------------- Mean: 顺时针漩涡状打印二维数组的值. analyse: 控制四个边界即可. Time complexity: O(N) view code );        );        ;        )        ));        ;;;}/* */…

# -*- coding: utf8 -*-'''__author__ = 'dabay.wang@gmail.com' 54: Spiral Matrixhttps://leetcode.com/problems/spiral-matrix/ Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order.For example,Given the f…

54.Spiral Matrix Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. For example,Given the following matrix: [ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8, 9 ] ] You should return [1,2,3,6,9,8,7,4,5]. 好久没做题了,…

54:Spiral Matrix 螺旋矩阵 Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. 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. Example 1: Input: [ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8, 9 ] ] Output: [1…

leetcode-54. Spiral Matrix - Medium descrition GGiven a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. For example, Given the following matrix: [ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8, 9 ] ] You should ret…

Spiral Matrix Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. For example, Given the following matrix: [  [ 1, 2, 3 ],  [ 4, 5, 6 ],  [ 7, 8, 9 ] ] You should return [1,2,3,6,9,8,7,4,5]. 思路:螺旋数…

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 ] ] 此题跟之前那道Spiral Matrix 螺旋矩阵 本质上没什么区别,就相当于个类似逆运算的过…

Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. For example,Given the following matrix: [ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8, 9 ] ] You should return [1,2,3,6,9,8,7,4,5]. 这道题让我们将一个矩阵按照螺旋顺序打印出来,我们…