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搜索关键字:dining cows    ( 1679个结果
POJ3250---Bad Hair Day(单调栈)
DescriptionSome of Farmer John’s N cows (1 ≤ N ≤ 80,000) are having a bad hair day! Since each cow is self-conscious about her messy hairstyle, FJ wants to count the number of other cows that can see t...
分类:其他好文   时间:2015-05-07 22:16:34    阅读次数:168
O - Treats for the Cows POJ 3186 ( 动态规划+区间 )
O - Treats for the Cows Time Limit:1000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64u Submit Status Practice POJ 3186 Description FJ has purchased N (1 The treats are interesting for ...
分类:其他好文   时间:2015-05-07 22:12:19    阅读次数:199
POJ 3186 Treats for the Cows
一开始想到的是,用一个标志位记录取第i个数的时间,但后来发现这个方法不行,可能性太多,没办法推 然后就看了解题报告的思路,说是用区间dp,状态是设出来了,但受固有思维影响,老想着怎么顺着推。 最后实在想不出了,看了代码,才发现要逆着推,从结束状态开始推起,这样公式就出来了 为了保证每一层循环要用到的值都已经被计算出来了,按区间长度进行枚举 /* dp[i][j]:剩下第i个至第j个物品时,...
分类:其他好文   时间:2015-05-06 22:59:06    阅读次数:152
poj 2393 Yogurt factory
http://poj.org/problem?id=2393Yogurt factoryTime Limit:1000MSMemory Limit:65536KTotal Submissions:7341Accepted:3757DescriptionThe cows have purchased ...
分类:其他好文   时间:2015-05-06 22:49:00    阅读次数:284
poj 3186 Treats for the Cows(区间dp)
Treats for the Cows Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 4375   Accepted: 2226 Description FJ has purchased N (1 The treats are interesting...
分类:其他好文   时间:2015-05-06 21:16:03    阅读次数:136
北大ACM2387——Til the Cows Come Home
题目的意思是求解从路标N到路标1的最短路径,简单的最短路径题目,Dijkstra或者Bellman_Ford算法都可以过。 题目有一个坑:输入有重边,所以要选择最小的长度。 下面是AC的代码: #include #include using namespace std; int cost[1005][1005]; bool vis[1005]; int dis[1005]; c...
分类:其他好文   时间:2015-05-06 17:55:23    阅读次数:120
Codeforces Round #174 (Div. 2)---D. Cow Program(dp, 记忆化搜索)
Farmer John has just given the cows a program to play with! The program contains two integer variables, x and y, and performs the following operations on a sequence a1,?a2,?…,?an of positive integers:I...
分类:其他好文   时间:2015-05-06 17:55:05    阅读次数:187
3314: [Usaco2013 Nov]Crowded Cows
3314: [Usaco2013 Nov]Crowded CowsTime Limit:1 SecMemory Limit:128 MBSubmit:111Solved:79[Submit][Status][Discuss]DescriptionFarmer John's N cows (1 y t...
分类:其他好文   时间:2015-05-05 23:51:00    阅读次数:166
E-Eating Together(POJ 3670)
Eating TogetherTime Limit:1000MSMemory Limit:65536KTotal Submissions:5579Accepted:2713DescriptionThe cows are so very silly about their dinner partner...
分类:其他好文   时间:2015-05-05 23:48:38    阅读次数:158
F-Dining Cows(POJ 3671)
Dining CowsTime Limit:1000MSMemory Limit:65536KTotal Submissions:7584Accepted:3201DescriptionThe cows are so very silly about their dinner partners. T...
分类:其他好文   时间:2015-05-05 23:39:51    阅读次数:203
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