John loves winter. Every skiing season he goes heli-skiing with his friends. To do so, they rent a helicopter that flies them directly to any mountain in the Alps. From there they follow the picturesque slopes through the untouched snow. Of course th…

Battle Royale games are the current trend in video games and Gamers Concealed Punching Circles (GCPC) is the most popular game of them all. The game takes place in an area that, for the sake of simplicity, can be thought of as a two-dimensional plane…

// Coolest Ski Route #include <iostream> #include <cstdio> #include <cstring> #include <string> #include <algorithm> #include <utility> #include <vector> #include <map> #include <queue> #include <st…

题目链接https://nanti.jisuanke.com/t/28852 题目大意是 h*w 的平面,每两个点有且仅有一条路径,类似于封闭的联通空间,然后在这h*w个点中选取(标记为1~N)N个点(给了坐标),求从1号点按1~N的顺序走到N号点的路程. 练习赛的时候没有思路,队友说可以建树,但还是不清不楚没写出来. 做法是LCA. 将封闭的联通空间建树(点的位置与字符的位置有点麻烦),然后按顺序求两点的最近的公共祖先求深度得距离,最后得路程,算是一道LCA的模板. #include <bit…

2018 German Collegiate Programming Contest (GCPC 18) Attack on Alpha-Zet 建树,求lca 代码: #include <algorithm> #include <iterator> #include <iostream> #include <cstring> #include <cstdlib> #include <iomanip> #include <bit…

layout: post title: 2018 German Collegiate Programming Contest (GCPC 18) author: "luowentaoaa" catalog: true tags: mathjax: true - codeforces 传送门 付队博客 C.Coolest Ski Route (记忆化搜索) 题意 给出一个有向图,求出一个权值最长的链, 题解 暴力dfs会超时,所以直接储存每个起点能走到的最远距离 #include<…

ACM International Collegiate Programming Contest, Tishreen Collegiate Programming Contest (2018) Syria, Lattakia, Tishreen University, April, 30, 2018 Problem A. Can Shahhoud Solve it? Problem B. Defeat the Monsters Problem C. UCL Game Night Problem…

layout: post title: (寒假开黑gym)2017-2018 ACM-ICPC German Collegiate Programming Contest (GCPC 2017) author: "luowentaoaa" catalog: true tags: mathjax: true - codeforces 传送门 付队! 许老师! B.Buildings (polya定理) 题意 B:给你m面墙,每面墙是n*n的格子,你有c种颜色,问你有多少种涂色方案.用po…

// Change of Scenery 1 #include <iostream> #include <cstdio> #include <algorithm> #include <cstring> #include <vector> #include <utility> #include <queue> using namespace std; typedef long long ll; typedef pair<…

$$2017-2018\ ACM-ICPC\ German\ Collegiate\ Programming\ Contest (GCPC 2017)$$ \(A.Drawing\ Borders\) \(B.Buildings\) Polya定理搞一搞 //#pragma GCC optimize("O3") //#pragma comment(linker, "/STACK:1024000000,1024000000") #include<bits/std…