摘要： " 题目链接 " Problem Description There is a youngster known for amateur propositions concerning several mathematical hard problems. Nowadays, he is prepar 阅读全文

摘要： " 题目链接 " Problem Description Talented Mr.Tang has n strings consisting of only lower case characters. He wants to charge them with Balala Power (he co 阅读全文

摘要：   ... 阅读全文

摘要： 问题描述： 给定m×n个格子，每个格子被染成了黑色或白色。现在要用1×2的砖块覆盖这些格子，要求快于快之间互相不重叠，且覆盖了所有白色的格子（用 . 表示），但不覆盖任意一个黑色的格子（用 x 表示）。求一共有多少种覆盖方法，输出方案数对M取余后的结果。 首先考虑一下枚举所有的解法这一方法。为了不重 阅读全文

摘要： " 题目链接 " Description You are working for Macrohard company in data structures department. After failing your previous task about key insertion you wer 阅读全文

摘要： " 题目链接 " Description ACM has bought a new crane (crane jeřáb) . The crane consists of n segments of various lengths, connected by flexible joints. The 阅读全文

摘要： " 题目链接 " Description The SUM problem can be formulated as follows: given four lists A, B, C, D of integer values, compute how many quadruplet (a, b, c 阅读全文

摘要： " 题目链接 " Problem Description At the entrance to the university, there is a huge rectangular billboard of size h w (h is its height and w is its width) 阅读全文

摘要： " 题目链接 " Problem Description 杭州有N个景区，景区之间有一些双向的路来连接，现在8600想找一条旅游路线，这个路线从A点出发并且最后回到A点，假设经过的路线为V1,V2,....VK,V1,那么必须满足K 2,就是说至除了出发点以外至少要经过2个其他不同的景区，而且不能重 阅读全文

摘要： " 题目链接 " Description 在一个给定形状的棋盘（形状可能是不规则的）上面摆放棋子，棋子没有区别。要求摆放时任意的两个棋子不能放在棋盘中的同一行或者同一列，请编程求解对于给定形状和大小的棋盘，摆放k个棋子的所有可行的摆放方案C。 Input 输入含有多组测试数据。 每组数据的第一行是两 阅读全文