Java for LeetCode 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 ], [ 7, 6, 5 ]]解题思路:参考Java for Leet...
31result.add(matrix[x][y++]); 32 33//right - move down 34for(inti=0;i<m-1;i++) 35result.add(matrix[x++][y]); 36 37//bottom - move left 38for(inti=0;i<n-1;i++) 39result.add(matrix[x][y--]); 40 41//left - move up 42for(inti=0;i<m-1;i++) 43result.add(...
res.add(matrix[lastRow][j]); } // 第一列 for(int j = lastRow; j > i; j--){ res.add(matrix[j][i]); } } } return res; } } 2018/2 class Solution: def spiralOrder(self, matrix): """ :type matrix: List[List[int]] :rtype: List[int] """ if (matrix is None or l...
LeetCode Top Interview Questions 59. Spiral Matrix II (Java版; Medium) 题目描述 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 ] ] 1. 2. 3. 4....
【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 ], ...
题目1. 输出螺旋矩阵https://leetcode.com/problems/spiral-matrix/ 题目描述:顺时针方向输出螺旋矩阵,逐步螺旋进中心, 将元素按此顺序输出 题解: 略 java顺时针螺旋遍历M*N的矩阵 java顺时针螺旋遍历M*N的矩阵给定一个包含mxn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:示例2...
public int[][] generateMatrix(int n) { if (n <= 0) { return new int[0][0]; } int[][] matrix = new int[n][n]; int num = 1; int startx = 0, endx = n - 1; int starty = 0, endy = n - 1; while (startx <= endx && starty <= endy) { ...
Spiral Matrix II -- LeetCode 原题链接:http://oj.leetcode.com/problems/spiral-matrix-ii/ 这道题跟Spiral Matrix很类似,只是这道题是直接给出1到n^2,然后把这些数按照螺旋顺序放入数组中。思路跟Spiral Matrix还是一样的,就是分层,然后按照上右下左的顺序放入数组中。每个元素只访问一次,时间复杂度是O...
Spiral Matrix II 题目大意 将一个正方形矩阵螺旋着填满递增的数字。 解题思路 螺旋填满数字 代码 代码语言:javascript 代码运行次数:0 运行 AI代码解释 classSolution(object):defgenerateMatrix(self,n):""":type n:int:rtype:List[List[int]]"""ifn==0:return[]matrix=[[0foriinrange(n)]forjinrange(...
Can you solve this real interview question? Spiral Matrix - Given an m x n matrix, return all elements of the matrix in spiral order. Example 1: [https://assets.leetcode.com/uploads/2020/11/13/spiral1.jpg] Input: matrix = [[1,2,3],[4,5,6],[7,8,9]]