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hdu 1285 确定比赛名次(拓扑排序)
确定比赛名次Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 14854 Accepted Submission(s): 5929Problem Description有N个比赛队(1 Input原创 2015-05-11 23:30:15 · 776 阅读 · 0 评论 -
Codeforces Gym 100792K King's Rout(优先队列+拓扑排序)
K. King's Routtime limit per test4 secondsmemory limit per test512 megabytesinputstandard inputoutputstandard outputThe great rout will be held this evening in原创 2015-10-28 21:02:09 · 1304 阅读 · 0 评论 -
hdu 1558 Segment set (并查集)
Segment setTime Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3907 Accepted Submission(s): 1471Problem DescriptionA segment and all原创 2015-07-18 11:14:34 · 766 阅读 · 0 评论 -
hdu1875 畅通工程再续(最小生成树kruskal算法)
畅通工程再续Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 17713 Accepted Submission(s): 5528Problem Description相信大家都听说一个“百岛湖”的地方吧原创 2015-05-21 13:10:52 · 743 阅读 · 0 评论 -
hdu 1596 find the safest road(dijkstra||floyd)
find the safest roadTime Limit: 10000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 8192 Accepted Submission(s): 2901Problem DescriptionXX星球有很多城原创 2015-05-07 19:44:10 · 596 阅读 · 0 评论 -
poj1258 Agri-Net +hdu 1233 还是畅通工程 (最小生成树Prime算法)
Agri-NetTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 43215 Accepted: 17683DescriptionFarmer John has been elected mayor of his town! One of his campaig原创 2015-05-06 23:08:14 · 564 阅读 · 0 评论 -
hdu 1599find the mincost route(Floyd算法,最小环无向图)
find the mincost routeTime Limit: 1000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2995 Accepted Submission(s): 1204Problem Description杭州有N个景区原创 2015-05-06 20:56:09 · 676 阅读 · 0 评论 -
hdu 1217Arbitrage(Floyd)
ArbitrageTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 5162 Accepted Submission(s): 2364Problem DescriptionArbitrage is the use原创 2015-05-06 19:01:46 · 392 阅读 · 0 评论 -
hdu 2544 最短路(dijkstra||spfa)
最短路Time Limit: 5000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 38245 Accepted Submission(s): 16711Problem Description在每年的校赛里,所有进入决赛的同学都会获得一件很原创 2015-05-05 22:10:17 · 353 阅读 · 0 评论 -
hdu 3790 最短路径问题(spfa)
最短路径问题Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 15976 Accepted Submission(s): 4806Problem Description给你n个点,m条无向边,每条边都有长度d和花原创 2015-05-05 22:16:51 · 619 阅读 · 0 评论 -
hdu2112 HDU Today(dijkstra+map)
HDU TodayTime Limit: 15000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 17455 Accepted Submission(s): 4119Problem Description经过锦囊相助,海东集团终于度过了危机原创 2015-05-05 22:12:41 · 352 阅读 · 0 评论 -
UVALive 7272 Promotions(拓扑排序)
题目链接:http://7xjob4.com1.z0.glb.clouddn.com/3f644de6844d64706eb36baa3a0c27b0题目大意:有n个人m种关系,a->b表示a是b的上级。现在要从中选拔人才,原则是职位越高的人越容易被选拔。给出区间[A,B],现在要算出选A个人时,一定能够被选拔的人数。选B个人时,一定能够被选拔的人数。不管怎么样都不能被选拔的人数(原创 2015-12-09 20:17:22 · 894 阅读 · 0 评论