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[poj2135]Farm Tour(最小费用流)
解题关键:最小费用流 ...
分类:其他好文   时间:2017-11-25 16:10:55    阅读次数:173
洛谷——P2958 [USACO09OCT]木瓜的丛林Papaya Jungle
P2958 [USACO09OCT]木瓜的丛林Papaya Jungle 题目描述 Bessie has wandered off the farm into the adjoining farmer's land. He raises delicious papaya fruit, which i ...
分类:其他好文   时间:2017-11-20 23:24:19    阅读次数:290
POJ 3255Roadblocks (Dijkstra求次短路)
Bessie has moved to a small farm and sometimes enjoys returning to visit one of her best friends. She does not want to get to her old home too quickly ...
分类:数据库   时间:2017-11-15 21:53:30    阅读次数:342
POJ 3620 Avoid The Lakes【DFS找联通块】
Avoid The Lakes Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 6826 Accepted: 3637 Description Farmer John's farm was flooded in the most ...
分类:移动开发   时间:2017-11-12 15:33:15    阅读次数:156
Farm Tour(最小费用最大流模板)
Farm Tour Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 18150 Accepted: 7023 Description When FJ's friends visit him on the farm, he like ...
分类:其他好文   时间:2017-11-07 22:19:51    阅读次数:205
[USACO16OPEN]关闭农场Closing the Farm_Silver
题目描述 Farmer John and his cows are planning to leave town for a long vacation, and so FJ wants to temporarily close down his farm to save money in the ...
分类:其他好文   时间:2017-11-07 22:13:43    阅读次数:194
POJ 3255 Roadblocks (Dijkstra求最短路径的变形)(Dijkstra求次短路径)
Roadblocks Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 16425 Accepted: 5797 Description Bessie has moved to a small farm and sometimes ...
分类:数据库   时间:2017-11-07 19:38:17    阅读次数:165
洛谷 P3144 [USACO16OPEN]关闭农场Closing the Farm_Silver
传送门 题目大意: n个谷仓 ,每次关闭一个谷仓,问剩下没被关闭的谷仓是 否联通。 题解:并查集+倒序处理 代码: #include<iostream> #include<cstdio> #include<cstring> #define N 3030 using namespace std; in ...
分类:其他好文   时间:2017-11-06 13:13:23    阅读次数:149
洛谷 P3660 [USACO17FEB]Why Did the Cow Cross the Road III G(树状数组)
题目背景 给定长度为2N的序列,1~N各处现过2次,i第一次出现位置记为ai,第二次记为bi,求满足ai<aj<bi<bj的对数 题目描述 The layout of Farmer John's farm is quite peculiar, with a large circular road r ...
分类:编程语言   时间:2017-11-06 11:24:02    阅读次数:246
洛谷P3144 [USACO16OPEN]关闭农场Closing the Farm_Silver
洛谷P3144 [USACO16OPEN]关闭农场Closing the Farm_Silver 题目描述 FJ和他的奶牛们正在计划离开小镇做一次长的旅行,同时FJ想临时地关掉他的农场以节省一些金钱。 这个农场一共有被用M条双向道路连接的N个谷仓(1<=N,M<=3000)。为了关闭整个农场,FJ ...
分类:其他好文   时间:2017-11-05 20:33:57    阅读次数:192
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