嗯... 题目链接:https://www.luogu.org/problem/P2239 这道题首先不能暴力建图,没有简单方法,只有进行进行找规律. AC代码: #include<cstdio> #include<iostream> using namespace std; inline int work(int n, int x, int y){ ) return y; ; * n - - y; ) * n - - x; , x - , y - ) + * (n - ); }…
[059-Spiral Matrix II(螺旋矩阵II)] [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 ], [ 8…