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牛飞盘队Cow Frisbee Team
老唐最近迷上了飞盘,约翰想和他一起玩,于是打算从他家的N头奶牛中选出一支队伍。 每只奶牛的能力为整数,第i头奶牛的能力为R i 。飞盘队的队员数量不能少于 1、大于N。 一支队伍的总能力就是所有队员能力的总和。 约翰比较迷信,他的幸运数字是F,所以他要求队伍的总能力必须是F的倍数。请帮他 算一下,符 ...
分类:其他好文   时间:2018-06-18 21:49:27    阅读次数:163
Cheapest Palindrome(区间DP)
描述 Keeping track of all the cows can be a tricky task so Farmer John has installed a system to automate it. He has installed on each cow an electronic ...
分类:其他好文   时间:2018-06-15 22:43:19    阅读次数:213
Bone Collector(01背包)
Many years ago , in Teddy’s hometown there was a man who was called “Bone Collector”. This man like to collect varies of bones , such as dog’s , cow’s ...
分类:其他好文   时间:2018-06-15 22:37:54    阅读次数:136
Cow Exhibition (01背包)
"Fat and docile, big and dumb, they look so stupid, they aren't much fun..." - Cows with Guns by Dana Lyons The cows want to prove to the public that ...
分类:其他好文   时间:2018-06-15 22:35:09    阅读次数:159
P2870 [USACO07DEC]最佳牛线,黄金Best Cow Line, Gold
题目描述 FJ is about to take his N (1 ≤ N ≤ 30,000) cows to the annual"Farmer of the Year" competition. In this contest every farmer arranges his cows in ...
分类:其他好文   时间:2018-06-12 18:34:04    阅读次数:157
POJ3278 Catch That Cow(BFS)
给定两个整数n和k,通过 n+1或n-1 或n*2 这3种操作,使得n==k 输出最少的操作次数 ...
分类:其他好文   时间:2018-06-12 17:43:09    阅读次数:104
P2852 [USACO06DEC]牛奶模式Milk Patterns
题目描述 Farmer John has noticed that the quality of milk given by his cows varies from day to day. On further investigation, he discovered that although ...
分类:其他好文   时间:2018-06-11 18:59:32    阅读次数:130
POJ - 2184 Cow Exhibition
题目大意: 分析: code: ...
分类:其他好文   时间:2018-06-10 15:21:57    阅读次数:168
邻接矩阵的运算
邻接矩阵运算的应用 矩阵的乘法、快速幂 1.[USACO07NOV]牛继电器Cow Relays https://www.luogu.org/problemnew/show/P2886 题目大意:给出一张无向连通图,求S到E经过k条边的最短路 如果我们有两个矩阵 其中一个矩阵代表 恰好 经过x条边的 ...
分类:其他好文   时间:2018-06-10 12:06:32    阅读次数:217
[做题手记·分数规划]POJ 3621-Sightseeing Cows
题目描述 无耻地搬运来了某rvalue的翻译: 给定一个无向带权图, 每条边费用为$w$, 同时每个结点有一个价值 $v$ , 求一个至少包含两个结点的环使得 $\frac{\sum v}{\sum w}$ 最大. 其中$|V| \leq 1000$, $|E| \leq 5000$, $v,w \ ...
分类:其他好文   时间:2018-06-06 21:46:58    阅读次数:112
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