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]. 解题思路: 螺旋阵列,使用up down le…

题目链接:https://leetcode.com/problems/spiral-matrix/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,…

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 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…

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…

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 );        );        ;        )        ));        ;;;}/* */…

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

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…