spiral专题

CF279A Point on Spiral 题解

解题思路按照题目中的规律画出来的图片如下：那么，我们直接根据规律判断当前查询的节点在那一条线段上就可以了。易得，当前的基础转向次数为 max ( ∣ x ∣ − 1 , ∣ y ∣ − 1 ) × 4 (|x|-1,|y|-1)\times 4 (∣x∣−1,∣y∣−1)×4，那么加上一个在当前周期内部的转向次数就可以了。 AC 代码 #include<bits/stdc++.h>

Leetcode oj java 54. Spiral Matrix

一、问题描述： 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 ]]

leetcode oj java 59. Spiral Matrix II

一、问题描述： 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,

LeetCode 题解（6）：Spiral Matrix

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

**LeetCode 54. Spiral Matrix

https://leetcode.com/problems/spiral-matrix/ 水题做成这个样子真是说不过去，，四个变量控制，两个控制左右范围，另个控制上下范围两种特殊情况，只有一行和一列，因为push_back的时候其实只是考虑了行或者列的情况没有综合考虑所以容易重复 #include <cstdio>#include <cstring>#includ

[LeetCode] 54. Spiral Matrix

题目内容 https://leetcode-cn.com/problems/spiral-matrix/comments/ 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。示例 1:输入:[[ 1, 2, 3 ],[ 4, 5, 6 ],[ 7, 8, 9 ]]输出: [1,2,3,6,9,8,7,4,5]示例 2:输入:[

leetcode 54 54. Spiral Matrix（矩阵顺时针绕圈输出）

思路：我是开辟了一个和原矩阵同样大小的矩阵temp来存放是否输出过的标志位，然后按照向右，向左，向上，向下的顺时针顺序来挨个输出，虽然空间复杂度大了一点，但是好处是思路比较简单，不容易错误。据说《剑指offer》上有这道题或者类似的题，带我看了剑指offer回来补充补充。 import java.util.ArrayList;import java.u

93. 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 sh

374.Spiral Matrix-螺旋矩阵（中等题）

合并排序数组 II 题目给定一个包含 m x n 个要素的矩阵，（m 行, n 列），按照螺旋顺序，返回该矩阵中的所有要素。样例给定如下矩阵：应返回 [1,2,3,6,9,8,7,4,5]。题解 public class Solution {/*** @param matrix a matrix of m x n elements* @return an integer lis

LeetCode - spiral-matrix-ii

题目： 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,

LeetCode 54 Spiral Matrix (模拟蛇形填数)

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

LeetCode 59 Spiral Matrix II (模拟)

Given a positive integer n, generate an n x n matrix filled with elements from 1 to n2 in spiral order. Example 1: Input: n = 3Output: [[1,2,3],[8,9,4],[7,6,5]] Example 2: Input: n = 1Output:

1050. 螺旋矩阵(25) PAT乙级1105. Spiral Matrix (25)PAT甲级

甲级传送门乙级传送门 #include<stdio.h>#include<math.h>#include<algorithm>using namespace std;int N;int m,n;#define MAX_N 11000int a[MAX_N][MAX_N];int num[MAX_N];bool cmp(int a,int b){return a>b;}void c

[LeetCode]54.Spiral Matrix

【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 ]]

[LeetCode]59.Spiral Matrix II

【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 ],

[LeetCode]-Spiral Matrix III 螺旋矩阵

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

59. Spiral Matrix II 54. Spiral Matrix

Given an integer n, generate a square matrix filled with elements from 1 ton2 in spiral order. For example, Given n = 3, You should return the following matrix: [[ 1, 2, 3 ],[ 8, 9, 4 ],[ 7, 6, 5 ]

UVALive 7097 Growing Rectangular Spiral

Sample Input 3 1 1 1 2 3 5 3 8 4 Sample Output 1 NO PATH 2 2 3 5 3 6 1 2 3 9 10 11 题意：给定一个第一象限的点，求到达这个点的最短长度。(线段按右上左下，每次必须最少大于前一次一个单位) 思路：找规律易得，如果x=y无法达到，如果x<y,通过两次即可达到。如果x>y，前三次一定是1,2,3，第四次不确定，但

54. Spiral Matrix （有待进一步研究）

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

59. Spiral Matrix II（待进一步研究）

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

一种完全覆盖算法-Backtracking Spiral Algorithm (BSA) 回溯螺旋算法

ROS1云课→32愉快大扫除其实算法是如下论文提及的，如下为机器翻译，推荐看原文。 ieeexplore.ieee.org/document/1570413 Proceedings of the 2005 IEEE 2005年IEEE会议录 International Conference on Robotics and Automation Barcelona, Spain, Apr

LeetCode刷题：54. Spiral Matrix

LeetCode刷题：54. Spiral Matrix 原题链接：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. Example 1: I

PAT_A 1105. Spiral Matrix (25)

1105. Spiral Matrix (25) 题目信息 This time your job is to fill a sequence of N positive integers into a spiral matrix in non-increasing order. A spiral matrix is filled in from the first element at the

Leetcde 59. Spiral Matrix II

Given a positive integer n, generate a square matrix filled with elements from 1 to n2 in spiral order. Example: Input: 3Output:[[ 1, 2, 3 ],[ 8, 9, 4 ],[ 7, 6, 5 ]] 题目链接：https://leetcode.com/pr

个人练习-PAT甲级-1105 Spiral Matrix

题目链接https://pintia.cn/problem-sets/994805342720868352/problems/994805363117768704 题目大意，给出一串序列，要求将其按顺时针顺序填入一个m*n的矩阵中，其中m>n且m-n最小。简单题，只需要注意顺时针这个顺序即可。先求m和n。 m = (int)(sqrt(1.0*N));while (N % m !=