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poj 1945 Power Hungry Cows A*
Description: 就是给你一个数,你可以把它自乘,也可以把他乘或除以任意一个造出过的数,问你最多经过多少次操作能变换成目标数 思路:这题真的不怎么会啊。n = 20000,每一层都有很多个扩展状态,裸宽搜会被T,启发式函数又设计不出来…… 看了一个Vjudge上的代码才知道这题怎么写。 就是 ...
分类:其他好文   时间:2018-07-23 00:56:33    阅读次数:310
6348: Milking Order(二分答案+拓扑排序)
题目描述 Farmer John's N cows (1≤N≤105), numbered 1…N as always, happen to have too much time on their hooves. As a result, they have worked out a complex ...
分类:编程语言   时间:2018-07-22 23:42:43    阅读次数:379
Milking Order
问题 C: Milking Order 时间限制: 3 Sec 内存限制: 128 MB提交: 20 解决: 7[提交] [状态] [讨论版] [命题人:]<!--StartMarkForVirtualJudge--> 题目描述 Farmer John's N cows (1≤N≤105), num ...
分类:其他好文   时间:2018-07-22 17:02:01    阅读次数:162
C - Yogurt factory
The cows have purchased a yogurt factory that makes world famous Yucky Yogurt. Over the next N (1 include include include include include define sf sc ...
分类:其他好文   时间:2018-07-22 11:32:55    阅读次数:163
POJ 3186 Treats for the Cows(区间dp)
传送门: http://poj.org/problem?id=3186 Treats for the Cows Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 7672 Accepted: 4059 Description FJ ...
分类:其他好文   时间:2018-07-21 22:52:59    阅读次数:356
P2986 [USACO10MAR]伟大的奶牛聚集Great Cow Gat…
题目描述 Bessie is planning the annual Great Cow Gathering for cows all across the country and, of course, she would like to choose the most convenient lo ...
分类:其他好文   时间:2018-07-21 22:46:40    阅读次数:194
A - River Hopscotch
Every year the cows hold an event featuring a peculiar version of hopscotch that involves carefully jumping from rock to rock in a river. The exciteme ...
分类:其他好文   时间:2018-07-21 19:52:21    阅读次数:203
Sunscreen
题目描述 To avoid unsightly burns while tanning, each of the C (1 ≤ C ≤ 2500) cows must cover her hide with sunscreen when they're at the beach. Cow i has ...
分类:其他好文   时间:2018-07-18 20:36:34    阅读次数:123
POJ-3275:Ranking the Cows(Floyd、bitset)
Ranking the Cows Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 3301 Accepted: 1511 Description Each of Farmer John's N cows (1 ≤ N ≤ 1,00 ...
分类:其他好文   时间:2018-07-15 11:08:02    阅读次数:209
【POJ 2182】Lost Cows
【题目链接】 http://poj.org/problem?id=2182 【算法】 树状数组 + 二分 【代码】 ...
分类:其他好文   时间:2018-07-13 18:55:36    阅读次数:153
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