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]. 打印螺旋矩阵 逐个…

Spiral Matrix IIGiven 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 ]] SOLUTION 1: 还是与上一题Spiral Matrix类似…

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 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 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…

Spiral Matrix I Given an integer n, generate a square matrix filled with elements from 1 to n^2 in spiral order. Example Given n = 3, You should return the following matrix: [ [ 1, 2, 3 ], [ 8, 9, 4 ], [ 7, 6, 5 ] ] 分析:从上,右,下,左打印. public class Soluti…

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,…

Spiral MatrixGiven 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]. Solution 1: 使…

原题地址:https://oj.leetcode.com/problems/spiral-matrix-ii/ 题意: 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 ], […

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>…

题意: 从1开始产生连续的n2个数字,以螺旋的方式填满一个n*n的数组. 思路: 由于是填满一个矩阵,那么只需要每次都填一圈即可.应该注意特殊情况. 迭代: class Solution { public: vector<vector<int> > generateMatrix(int n) { vector<vector<int> > ans(n,vector<int>(n)); , i=; ) { if(cnt==n*n) break; fo…

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]. 原题链接:https://oj.leetcod…

原题地址:https://oj.leetcode.com/problems/spiral-matrix/ 题意: 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 sh…

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]. 这道题挺简单的,基本上算是一次性写出来的,就是…

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]. public class Solution {…

题目要求 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 举个例子自己从头到尾把数字列出…

题目要求 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 举个例子自己从头到尾把数字列出来…

class Solution { public: vector<int> spiralOrder(vector<vector<int> > &matrix) { // Start typing your C/C++ solution below // DO NOT write int main() function int m,n; int cir; int i,j; vector<int> re; ) return re; m=matrix.siz…

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:…

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 ] ]   与Spiral Matrix类似:   class So…

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…

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…

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…

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…

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 ] ] 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…

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 ] ] 思路: 我是直接套用了Spiral Matrix 的代码 class Solution { p…

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]…

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…