随笔分类 - OJ-HDU
摘要：比赛记录 @byf水题写错一发，边界没考虑，变量还写错，一发罚时加很晚才过。1004忘记结构体重载运算符中的gcd也带一个log，TLE2发，而且这题花了太多时间。 @shl exkmp板子想不起来，先用后缀数组T了一发 @lfw 一上场用kmp写exkmp的题，结果发现不太对，有点冲动了，应该能推
阅读全文
摘要：题解 A AND Minimum Spanning Tree 参考代码： #include<bits/stdc++.h> #define maxl 200010 using namespace std; int n,ans1; int mi[31]; int ans[maxl]; inline vo
阅读全文
摘要：题解 1001 Azshara's deep sea Unsolved. 1002 Blow up the city. 题解：倒着建图，然后将原图出度为零的点用一个新节点连接起来，支配树板题。 参考代码： #include<bits/stdc++.h> using namespace std; #d
阅读全文
摘要：比赛总结 @辣鸡lfw，一开始算三角形那题没想到正解使用莫队乱搞，然后要选出50个最大的时候还用莫队。。。主席树区间第k大什么的完全忘记了 题解 1001 Another Chess Problem unsolved 1002 Beauty Of Unimodal Sequence unsolved
阅读全文
摘要：Mr. Frog has an integer sequence of length n, which can be denoted as a1,a2,⋯,ana1,a2,⋯,anThere are m queries. In the i-th query, you are given two in
阅读全文
摘要：总结： 数据范围问题(int / long long ) 题意问题 try a try. 1e4dinic冲冲冲 不要看到过的人暂时比较少就不敢写，@byf 比赛不要划水聊天 题解： A Blank 题意：题目意思是让你去找一个有n个数的数组，这个数组里面的数只有{0,1,2,3}。然后给你m个条件
阅读全文
摘要：部分题解后面更行 A Equivalent Prefixes 题解：https://blog.csdn.net/liufengwei1/article/details/96515809 参考代码： #include<bits/stdc++.h> #define maxl 100010 using n
阅读全文
摘要：There is a skyscraping tree standing on the playground of Nanjing University of Science and Technology. On each branch of the tree is an integer (The
阅读全文
摘要：#define xhxj (Xin Hang senior sister(学姐)) If you do not know xhxj, then carefully reading the entire description is very important. As the strongest f
阅读全文
摘要：Volodya is an odd boy and his taste is strange as well. It seems to him that a positive integer number is beautiful if and only if it is divisible by
阅读全文
摘要：Adam and Eve enter this year’s ACM International Collegiate Programming Contest. Last night, they played the Calendar Game, in celebration of this con
阅读全文
摘要：任何一个大学生对菲波那契数列(Fibonacci numbers)应该都不会陌生，它是这样定义的： F(1)=1; F(2)=2; F(n)=F(n-1)+F(n-2)(n>=3); 所以，1,2,3,5,8,13……就是菲波那契数列。 在HDOJ上有不少相关的题目，比如1005 Fibonacci
阅读全文
摘要：Stan and Ollie play the game of multiplication by multiplying an integer p by one of the numbers 2 to 9. Stan always starts with p = 1, does his multi
阅读全文
摘要：Little John is playing very funny game with his younger brother. There is one big box filled with M&Ms of different colors. At first John has to eat s
阅读全文
摘要：Arthur and his sister Caroll have been playing a game called Nim for some time now. Nim is played as follows: The starting position has a number of he
阅读全文
摘要：Two people face two piles of stones and make a game. They take turns to take stones. As game rules, there are two different methods of taking stones:
阅读全文
摘要：Let's consider m apples divided into n groups. Each group contains no more than 100 apples, arranged in a line. You can take any number of consecutive
阅读全文
摘要：大学英语四级考试就要来临了，你是不是在紧张的复习？也许紧张得连短学期的ACM都没工夫练习了，反正我知道的Kiki和Cici都是如此。当然，作为在考场浸润了十几载的当代大学生，Kiki和Cici更懂得考前的放松，所谓“张弛有道”就是这个意思。这不，Kiki和Cici在每天晚上休息之前都要玩一会儿扑克牌
阅读全文
摘要：十年前读大学的时候，中国每年都要从国外引进一些电影大片，其中有一部电影就叫《勇敢者的游戏》（英文名称：Zathura），一直到现在，我依然对于电影中的部分电脑特技印象深刻。 今天，大家选择上机考试，就是一种勇敢（brave）的选择；这个短学期，我们讲的是博弈（game）专题；所以，大家现在玩的也是“
阅读全文
摘要：Once in a forest, there lived N aggressive monkeys. At the beginning, they each does things in its own way and none of them knows each other. But monk
阅读全文
浙公网安备 33010602011771号