摘要: https://ac.nowcoder.com/acm/contest/8997/B 方法一: 1 #include<bits/stdc++.h> 2 using namespace std; 3 int f[4][2]={{0,1},{-1,0},{0,-1},{1,0}}; 4 int n; 5 阅读全文
posted @ 2020-12-01 23:03 TFLSNOI 阅读(115) 评论(0) 推荐(0) 编辑