摘要: A.Alex and a Rhombus 题意:求第n个图形的正方形个数 思路:答案为2*n*n-2*n+1 #include<iostream> #include<cstring> #include<cmath> #include<cstdlib> #include<cstdio> #includ 阅读全文
posted @ 2019-06-26 14:22 The-Pines-of-Star 阅读(191) 评论(0) 推荐(0) 编辑