hdu 6333
摘要：
Problem Description There are n apples on a tree, numbered from 1 to n.Count the number of ways to pick at most m apples. Input The first line of the 阅读全文
posted @ 2018-08-02 23:38 cltt 阅读(355) 评论(0) 推荐(0) 编辑
bzoj 2038
摘要：
2038: [2009国家集训队]小Z的袜子(hose) Description 作为一个生活散漫的人，小Z每天早上都要耗费很久从一堆五颜六色的袜子中找出一双来穿。终于有一天，小Z再也无法忍受这恼人的找袜子过程，于是他决定听天由命……具体来说，小Z把这N只袜子从1到N编号，然后从编号L到R(L 尽管 阅读全文
posted @ 2018-08-02 16:44 cltt 阅读(127) 评论(0) 推荐(0) 编辑
ACM训练联盟周赛 A. Teemo's bad day
摘要：
65536K Today is a bad day. Teemo is scolded badly by his teacher because he didn't do his homework.But Teemo is very self-confident, he tells the teac 阅读全文
posted @ 2018-08-01 01:01 cltt 阅读(225) 评论(0) 推荐(0) 编辑
The 2018 ACM-ICPC China JiangSu Provincial Programming Contest J. Set
摘要：
Let's consider some math problems. JSZKC has a set A=A={1,2,...,N}. He defines a subset of A as 'Meo set' if there doesn't exist two integers in this 阅读全文
posted @ 2018-07-31 21:10 cltt 阅读(156) 评论(0) 推荐(0) 编辑
The 2018 ACM-ICPC China JiangSu Provincial Programming Contest I. T-shirt
摘要：
JSZKC is going to spend his vacation! His vacation has N days. Each day, he can choose a T-shirt to wear. Obviously, he doesn't want to wear a singer 阅读全文
posted @ 2018-07-31 20:31 cltt 阅读(272) 评论(0) 推荐(0) 编辑
ACM-ICPC 2017 Asia Urumqi A. Coins
摘要：
Alice and Bob are playing a simple game. They line up a row of n identical coins, all with the heads facing down onto the table and the tails upward. 阅读全文
posted @ 2018-07-31 18:45 cltt 阅读(292) 评论(0) 推荐(0) 编辑
Nordic Collegiate Programming Contest 2015 B. Bell Ringing
摘要：
Method ringing is used to ring bells in churches, particularly in England. Suppose there are 6 bells that have 6 different pitches. We assign the numb 阅读全文
posted @ 2018-07-31 00:24 cltt 阅读(211) 评论(0) 推荐(0) 编辑
变量
摘要：
1 局部数组：没有默认值，如果声明的时候不定义，则会出现随机数（undefined）；如果声明的长度与赋值长度不相等，则有，声明的长度>赋值长度，后面用0补足，声明的长度>赋值长度，发生编译错误； 2 3 4 5 全局数组：声明时不赋值，默认值为0 6 在所有函数（包括主函数）之外定义的变量称为“全局变量”。 阅读全文
posted @ 2018-07-30 10:24 cltt 阅读(125) 评论(0) 推荐(0) 编辑
hiho 1050 树的直径
摘要：
#1050 : 树中的最长路 #1050 : 树中的最长路 时间限制:10000ms 单点时限:1000ms 内存限制:256MB 描述 上回说到，小Ho得到了一棵二叉树玩具，这个玩具是由小球和木棍连接起来的，而在拆拼它的过程中，小Ho发现他不仅仅可以拼凑成一棵二叉树！还可以拼凑成一棵多叉树——好吧 阅读全文
posted @ 2018-07-30 00:19 cltt 阅读(164) 评论(0) 推荐(0) 编辑
ACM-ICPC 2017 Asia Urumqi G. The Mountain
摘要：
All as we know, a mountain is a large landform that stretches above the surrounding land in a limited area. If we as the tourists take a picture of a 阅读全文
posted @ 2018-07-29 20:49 cltt 阅读(393) 评论(0) 推荐(0) 编辑
