Leetcode之Spiral Matrix II 问题
问题描述:
Given an integer n, generate a square matrix filled with elements from 1 ton2 in spiral order.
示例:
For example,
Given n = 3
, You should return the following matrix:
[
[ 1, 2, 3 ],
[ 8, 9, 4 ],
[ 7, 6, 5 ]
]
问题来源:Spiral Matrix II (详细地址:https://leetcode.com/problems/spiral-matrix-ii/description/)
思路分析:和Sporal Matrix没啥区别吧,其实是一样的意思啊,一个是遍历一个是设值,我在原来的代码的基础上改了一下。
代码:
四个指针初始化:
设值的过程: