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[ACM] POJ 1026 Cipher (组合数学,置换)
Cipher Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 19228   Accepted: 5148 Description Bob and Alice started to use a brand-new encoding scheme. Surpris...
分类:其他好文   时间:2014-07-28 00:26:40    阅读次数:265
Python基础篇(四)
Python中的字典类似于Java中的Map,数据以键值对的形式存储。 字典可以用以下的方式使用: >>> phonebook = {"alice":"6100","bruce":"6230","beth":"9120"} >>> phonebook.get("alice") '610...
分类:编程语言   时间:2014-07-27 22:07:09    阅读次数:259
[ACM] ZOJ 3725 Painting Storages (DP计数+组合)
Painting Storages Time Limit: 2 Seconds      Memory Limit: 65536 KB There is a straight highway with N storages alongside it labeled by 1,2,3,...,N. Bob asks you to paint all storages with two...
分类:其他好文   时间:2014-07-26 02:48:17    阅读次数:178
CF 14B B. Young Photographer
Among other things, Bob is keen on photography. Especially he likes to take pictures of sportsmen. That was the reason why he placed himself in position x0 of a long straight racetrack and got ready...
分类:其他好文   时间:2014-07-25 11:26:31    阅读次数:447
HDU4869:Turn the pokers(费马小定理+快速幂)
Problem Description During summer vacation,Alice stay at home for a long time, with nothing to do. She went out and bought m pokers, tending to play poker. But she hated the traditional gameplay. S...
分类:其他好文   时间:2014-07-23 16:36:51    阅读次数:304
poj4089:电话号码
总时间限制: 1000ms 内存限制: 65536kB描述给你一些电话号码,请判断它们是否是一致的,即是否有某个电话是另一个电话的前缀。比如:Emergency 911Alice 97 625 999Bob 91 12 54 26在这个例子中,我们不可能拨通Bob的电话,因为Emergency的电话...
分类:其他好文   时间:2014-07-22 08:01:34    阅读次数:773
[ACM] POJ 3485 Highway (区间选点问题)
Highway Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 871   Accepted: 402 Description Bob is a skilled engineer. He must design a highway that crosses a ...
分类:其他好文   时间:2014-07-21 11:23:56    阅读次数:176
Acdream1311_Apple
无聊的时候看到上一次acdream群赛的一个题目,中间居然是有alice和bob的博弈题目,于是就去做了。给n,m,两人轮流操作,每次操作可以使n+1,或者m+1,谁操作后满足nm>=A,那么此人lose。简单的博弈知识即可解决问题,如果当前状态的所有后继状态都是必胜态,那么该状态就是必败态;如果当...
分类:移动开发   时间:2014-07-19 16:01:57    阅读次数:176
Box Game
There are two identical boxes. One of them contains n balls, while the other box contains one ball. Alice and Bob invented a game with the boxes and b...
分类:其他好文   时间:2014-07-19 14:25:51    阅读次数:228
电话号码 【trie树】
电话号码 查看 提交 统计 提问 总时间限制: 1000ms 内存限制: 65536kB 描述 给你一些电话号码,请判断它们是否是一致的,即是否有某个电话是另一个电话的前缀。比如: Emergency 911 Alice 97 625 999 Bob 91 12 54 26 在这个例子中,我们不可能拨通Bob的电话,因为Emergency的电话是它的前缀,当拨打Bo...
分类:其他好文   时间:2014-07-19 08:07:15    阅读次数:222
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