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【leetcode】1227. Airplane Seat Assignment Probability
题目如下: n passengers board an airplane with exactly n seats. The first passenger has lost the ticket and picks a seat randomly. But after that, the rest ...
分类:其他好文   时间:2019-10-18 16:15:48    阅读次数:143
P1938 [USACO09NOV]找工就业Job Hunt
题目描述 Bessie is running out of money and is searching for jobs. Farmer John knows this and wants the cows to travel around so he has imposed a rule tha ...
分类:其他好文   时间:2019-10-16 00:21:10    阅读次数:78
POJ-3186-Treats for the Cows(记忆化搜索)
链接: https://vjudge.net/problem/POJ 3186 题意: FJ has purchased N (1 include include include // include include include include include include include i ...
分类:其他好文   时间:2019-10-13 00:23:59    阅读次数:104
POJ 2387 Til the Cows Come Home (Dijkstra)
题目链接: "POJ 2387" Description Bessie is out in the field and wants to get back to the barn to get as much sleep as possible before Farmer John wakes he ...
分类:其他好文   时间:2019-10-11 23:38:12    阅读次数:97
猜拳游戏and用户登录
猜拳游戏win=0lost=0ping=0while True: print('胜:%s 输:%s 平:%s'% (win,lost,ping)) print('欢迎来猜拳\n1.拳头 2.剪刀 3.布 4.退出') import random chooses = ['石头','剪刀','布'] d... ...
分类:其他好文   时间:2019-10-10 20:21:24    阅读次数:91
P2964 [USACO09NOV]硬币的游戏A Coin Game
题目描述 Farmer John's cows like to play coin games so FJ has invented with a new two-player coin game called Xoinc for them. Initially a stack of N (5 <= ...
分类:其他好文   时间:2019-10-08 00:58:08    阅读次数:145
Python Ethical Hacking - BACKDOORS(7)
Handling Errors: If the client or server crashes, the connection will be lost. Backdoor crashes if: An incorrect command is sent. The correct command ...
分类:编程语言   时间:2019-10-07 13:35:48    阅读次数:114
题解 P3047 [USACO12FEB]附近的牛Nearby Cows
题解 P3047 [USACO12FEB]附近的牛Nearby Cows "题目链接" 题目大意是给你一颗树,对于每一个节点i,求出范围k之内的点权之和 看数据范围就知道暴力肯定是会t飞的,所以我们要考虑如何dp(代码习惯写dfs) 仔细思考一下我们发现点i走k步能到达的点分为以下两种 1.在i的子 ...
分类:其他好文   时间:2019-10-04 17:08:29    阅读次数:72
题解 P2915 [USACO08NOV]奶牛混合起来Mixed Up Cows
题解 P2915 [USACO08NOV]奶牛混合起来Mixed Up Cows "题目链接" ~~数据规模16 20的都是状压~~ 如果要每一位都压序号的话空间肯定是不够的,所以每一位只能是0或1。1表示有这头牛,0表示没有这头牛。显然每个位置的选择和他两边的牛有关,所以我们就可以定义这样的状态: ...
分类:其他好文   时间:2019-10-04 17:06:53    阅读次数:72
P2742 【模板】二维凸包 / [USACO5.1]圈奶牛Fencing the Cows
题目描述 农夫约翰想要建造一个围栏用来围住他的奶牛,可是他资金匮乏。他建造的围栏必须包括他的奶牛喜欢吃草的所有地点。对于给出的这些地点的坐标,计算最短的能够围住这些点的围栏的长度。 农夫约翰想要建造一个围栏用来围住他的奶牛,可是他资金匮乏。他建造的围栏必须包括他的奶牛喜欢吃草的所有地点。对于给出的这 ...
分类:其他好文   时间:2019-10-02 22:45:09    阅读次数:95
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