随笔分类 - FJUT - OJ
120.78.128.11
摘要:A.排队问题*-* 题意就是有长度为L的序列,每位的取值可以是'f'或者'm',问不包含'fff'和'fmf'的个数。 打表找规律 不难找出递推公式为F[n] = F[n-1] + F[n-3] + F[n-4]。 然后直接遍历就可以了...突然发现L范围很小,我写了个矩阵快速幂... 多组数据且模
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摘要:题目链接:http://120.78.128.11/Problem.jsp?pid=3445 最开始的思路就是直接暴力求解,先把所有的数值两两存入结构体,再从小到大枚举。用二分的思路去判断数值以及出现,结果TLE,但优化一下应该也能过,因为题目说只有两组数据。代码如下: 1 #include <io
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摘要:Problem Description The 15-puzzle has been around for over 100 years; even if you don't know it by that name, you've seen it. It is constructed with 1
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摘要:Problem Description Suppose that you are an admiral of a famous naval troop. Our naval forces have got 21 battleships. There are 6 types of battleship
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摘要:Problem Description The students of the HEU are maneuvering for their military training. The red army and the blue army are at war today. The blue arm
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摘要:Problem Description George took sticks of the same length and cut them randomly until all parts became at most 50 units long. Now he wants to return s
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摘要:Problem Description The twenty-first century is a biology-technology developing century. We know that a gene is made of DNA. The nucleotide bases from
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摘要:Problem Description Last night, little erriyue had a horrible nightmare. He dreamed that he and his girl friend were trapped in a big maze separately.
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摘要:Problem Description Ignatius花了一个星期的时间终于找到了传说中的宝藏,宝藏被放在一个房间里,房间的门用密码锁起来了,在门旁边的墙上有一些关于密码的提示信息: 密码是一个C进制的数,并且只能由给定的M个数字构成,同时密码是一个给定十进制整数N(0<=N<=5000)的正整数
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摘要:题目连接:http://120.78.128.11/Contest.jsp?cid=221#H 题目都比较难,每道题都很经典,我也做的很慢,这篇博文算是个收录。具体题目题解点击下面超链接吧。 一、Bridged Marble Rings 二、转换地图 三、超级密码 四、Fliptile 五、Gap
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摘要:Problem Description Farmer John knows that an intellectually satisfied cow is a happy cow who will give more milk. He has arranged a brainy activity f
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摘要:Problem Description The doggie found a bone in an ancient maze, which fascinated him a lot. However, when he picked it up, the maze began to shake, an
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摘要:Problem Description 在小白成功的通过了第一轮面试后,他来到了第二轮面试。面试的题目有点难度了,为了考核你的思维能量,面试官给你一副(2x4)的初态地图,然后在给你一副(2x4)的终态地图。每一幅地图都是有数字1~8表示,给你的地图的信息是一串序列,然后根据这序列,从地图的左上角开
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摘要:题目链接http://120.78.128.11/Contest.jsp?cid=18 题面不贴了 都是英文题,看的我心力憔悴 =7= 一、Ugly Numbers 题目说一个数的质因数只包含2、3或者5(一个或多个),就是丑陋数。拜托,为啥这些数就丑陋了。然后题目特别说明第一个丑陋数是1 题目多组
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摘要:这个OJ一直在做,一些专题题目都很好,从易至难,阶梯上升,很适合像我这样的蒟蒻 =7= 这篇是关于其中一个专题训练的题解思路及代码 http://120.78.128.11/Contest.jsp?cid=486 所有题面我就不贴了,各位自行去看,链接在上一行 =7= 一、求众数(Map标记+Set
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