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Why Did the Cow Cross the Road III(树状数组)
Why Did the Cow Cross the Road III 题目描述 The layout of Farmer John's farm is quite peculiar, with a large circular road running around the perimeter of ...
分类:编程语言   时间:2017-07-29 11:31:55    阅读次数:248
POJ 3281.Dining 最大流
Dining Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 18479 Accepted: 8243 Description Cows are such finicky eaters. Each cow has a prefer ...
分类:其他好文   时间:2017-07-27 20:12:44    阅读次数:190
台州 OJ 5072 Cow Exhibition 01背包
给出 n 头牛,每头牛有两个属性 smartness 和 funness ,求从所有的牛里选一些牛,使这些牛的 smartness + funness 的和最大,且 smartness 的和、funness的和都要大于零。 定义 dp[i][j] 表示前 i 头牛在 smartness 为 j 时 ...
分类:其他好文   时间:2017-07-27 15:44:45    阅读次数:132
dp入门 专题记录 2017-7-26
POJ3176-Cow Bowling 题目大意:现有n行数,以金字塔的形式排列,即第一行一个数字,第二行2个数字,依次类推,现在需要找一条从第一层到第n层的路线,使得该路线上的所有点的权值和最大 思路:根据分析可以得出状态转移方程:dp[i][j]=max(dp[i-1][j],dp[i-1][j ...
分类:其他好文   时间:2017-07-26 20:26:03    阅读次数:247
Catch That Cow(广搜)
个人心得:其实有关搜素或者地图啥的都可以用广搜,但要注意标志物不然会变得很复杂,想这题,忘记了标志,结果内存超时; 将每个动作扔入队列,但要注意如何更简便,更节省时间,空间 Farmer John has been informed of the location of a fugitive cow ...
分类:其他好文   时间:2017-07-25 22:39:46    阅读次数:226
Milking Time
Bessie is such a hard-working cow. In fact, she is so focused on maximizing her productivity that she decides to schedule her next N (1 ≤ N ≤ 1,000,00 ...
分类:其他好文   时间:2017-07-25 22:35:12    阅读次数:249
POJ 3268 Silver Cow Party 最短路—dijkstra算法的优化。
POJ 3268 Silver Cow Party Description One cow from each of N farms (1 ≤ N ≤ 1000) conveniently numbered 1..N is going to attend the big cow party to b ...
分类:编程语言   时间:2017-07-24 22:22:41    阅读次数:182
Catch That Cow BFS求线性双向最短路径
Catch That Cow Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100 ...
分类:其他好文   时间:2017-07-24 21:26:55    阅读次数:170
POJ3660 传递闭包———floyd算法
POJ3660 Cow Contest 题目链接:http://poj.org/problem?id=3660 题意:农名约翰有些奶牛,约翰通过让他们决斗来决定他们的排名,约翰让这些奶牛一对一打完一定的局数之后,问有哪些奶牛的排名是可以确定的(注:a打得过b,b打得过c,则a打得c) 根据题意我们明 ...
分类:编程语言   时间:2017-07-24 00:15:08    阅读次数:257
POJ 2376 Cleaning Shifts(贪心)
Description Farmer John is assigning some of his N (1 <= N <= 25,000) cows to do some cleaning chores around the barn. He always wants to have one cow ...
分类:其他好文   时间:2017-07-23 18:07:46    阅读次数:149
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