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搜索关键字:cows    ( 1587个结果
万能的二分
最大化最小值 先上题目: "Aggressive cows" 题目简意: 在一条直线上有N个位置,第$i$个位置的坐标是$X_i$,现在有M头牛要放入这N个位置中,并最大化两头牛之间的距离. 这道题我们可以用二分搜索来做.设d(x)为能否让任意两头牛之间的距离大于等于x,那么显然我们从1~INF去二 ...
分类:其他好文   时间:2018-06-23 20:56:44    阅读次数:162
Lost Cows(线段树+二分判定)
4835: [Usaco2003 Open]Lost Cows Description N (2 <= N <= 8,000) cows have unique brands in the range 1..N. In a spectacular display of poor judg ment, ...
分类:其他好文   时间:2018-06-18 13:56:58    阅读次数:157
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
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
POJ 2387 Til the Cows Come Home
思路:Dijkstra, bellman-ford和spfa,但是用dijkstra要考虑重边 ...
分类:其他好文   时间:2018-06-13 00:12:22    阅读次数:208
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
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
[专题-图论]最短路
kuangbin最短路专题链接: 专题题解 写题解的就是比较好的题了 ||| : |: |: 1 / 3|POJ 2387| Til the Cows Come Home 1 / 1|POJ 2253| "Frogger" 找间隔最小的路径 1 / 6|POJ 1797| Heavy Transpo ...
分类:其他好文   时间:2018-06-09 15:26:09    阅读次数:189
[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
Luogu P3000 [USACO10DEC]牛的健美操Cow Calisthenics
题目描述 Farmer John continues his never-ending quest to keep the cows fit by having them exercise on various cow paths that run through the pastures. The ...
分类:其他好文   时间:2018-06-06 18:20:20    阅读次数:171
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