1621: [Usaco2008 Open]Roads Around The Farm分岔路口Time Limit:5 SecMemory Limit:64 MBSubmit:521Solved:380[Submit][Status]Description约翰的N(1≤N≤1,000,000,000...
分类:
其他好文 时间:
2014-08-20 17:51:42
阅读次数:
231
Problem Description
Farmer John is an astounding accounting wizard and has realized he might run out of money to run the farm. He has already calculated and recorded the exact amount of money (1 ...
分类:
其他好文 时间:
2014-08-19 22:34:09
阅读次数:
228
解题报告
题目传送门
题意:
一个人有n个农场,他想从1到n去,有从n到1回来,要求路径最短,且没有走重复的路。
思路:
如果两次最短路感觉不行的,可以看成费用流,每一条路容量都是1,这样只要流量等于2就行了。
一次mcmf模版。
#include
#include
#include
#include
#define inf 0x3f3f3f3f
using namespac...
分类:
其他好文 时间:
2014-08-17 15:37:52
阅读次数:
334
DescriptionBessie 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 ...
分类:
数据库 时间:
2014-08-16 11:08:00
阅读次数:
268
题目链接:http://poj.org/problem?id=1258题目意思:给出 n 个 farm,每个farm 之间通过一定数量的fiber 相连,问使得所有farm 直接或间接连通的 最少 fiber 数是多少。 赤裸裸的最小生成树,用prim做的。 有个地方写错,wa 了 几次。 1...
分类:
Web程序 时间:
2014-08-15 22:24:49
阅读次数:
189
Farm Irrigation
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 5820 Accepted Submission(s): 2523
Problem Description
Benny has ...
分类:
其他好文 时间:
2014-08-15 16:03:28
阅读次数:
209
Farm Irrigation
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 5818 Accepted Submission(s): 2521
Problem Description
Benny has ...
分类:
其他好文 时间:
2014-08-15 00:07:26
阅读次数:
411
Farm Tour
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 11372
Accepted: 4218
Description
When FJ's friends visit him on the farm, he likes to show them...
分类:
其他好文 时间:
2014-08-13 13:13:36
阅读次数:
725
Farm IrrigationTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 5809Accepted Submission(s): 2516Pro...
分类:
其他好文 时间:
2014-08-13 12:25:16
阅读次数:
227
Description
One cow from each of N farms (1 ≤ N ≤ 1000) conveniently numbered 1..N is going to attend the big cow party to be held at farm #X (1 ≤ X ≤ N). A total of M (1 ≤ M ≤ 100,000) unidirectio...
分类:
其他好文 时间:
2014-08-11 21:23:43
阅读次数:
303