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utobe67
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hdu 4336 Card Collector (容斥原理)
Card CollectorTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1715 Accepted Submission(s): 786Special JudgeProblem Descriptio原创 2013-08-08 12:19:50 · 1396 阅读 · 2 评论 -
hdu 4779 Tower Defense （思维+组合数学）
Tower DefenseTime Limit: 4000/2000 MS (Java/Others) Memory Limit: 132768/132768 K (Java/Others)Total Submission(s): 474 Accepted Submission(s): 126Problem Description DRD loves原创 2014-09-17 17:30:13 · 1711 阅读 · 0 评论 -
hdu 4945 2048 （dp+组合数）
2048Time Limit: 3000/1500 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 840 Accepted Submission(s): 199Problem DescriptionTeacher Mai is addict原创 2014-08-17 09:19:07 · 1582 阅读 · 0 评论 -
Codeforces Round #247 (Div. 2) D. Random Task
D. Random Tasktime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputOne day, after a difficult lecture a diligent原创 2014-05-22 11:09:38 · 1664 阅读 · 2 评论 -
Codeforces Round #244 (Div. 2) E. Police Patrol
C. Checkpoststime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYour city has n junctions. There are m one-wa原创 2014-05-03 15:49:51 · 1784 阅读 · 3 评论 -
hdu 4497 GCD and LCM （素数分解+组合数学）
GCD and LCM Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65535/65535 K (Java/Others)Total Submission(s): 74 Accepted Submission(s): 42Problem DescriptionGiven two positiv原创 2013-08-24 22:00:50 · 2969 阅读 · 0 评论 -
周赛 1007 题解 hdu 4390 Number Sequence （质因数分解+组合数学+容斥原理）
Number SequenceTime Limit: 10000/3000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 790 Accepted Submission(s): 331Problem DescriptionGiven a n原创 2014-03-10 21:05:09 · 1921 阅读 · 1 评论 -
Codeforces Round #232 (Div. 2) C. On Number of Decompositions into Multipliers 之我为何如此菜
C. On Number of Decompositions into Multiplierstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are give原创 2014-02-28 10:48:34 · 1380 阅读 · 1 评论 -
hdu 4365 Palindrome graph
Palindrome graphTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 1298 Accepted Submission(s): 396Problem DescriptionIn additio原创 2013-10-22 23:14:35 · 1243 阅读 · 0 评论 -
hdu 4596 Yet another end of the world （一阶不定方程可解性 ）
Yet another end of the worldTime Limit: 6000/3000 MS (Java/Others) Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 265 Accepted Submission(s): 148Problem Descriptio原创 2013-10-28 15:21:44 · 1692 阅读 · 0 评论 -
hdu 4602 Partition
PartitionTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2156 Accepted Submission(s): 866Problem DescriptionDefine f(n) as th原创 2013-10-21 22:52:40 · 927 阅读 · 0 评论 -
hdu 3723 Delta Wave (catalan数+组合数学）
Delta WaveTime Limit: 6000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 626 Accepted Submission(s): 203Problem DescriptionA delta wave is a原创 2013-10-12 09:15:33 · 1946 阅读 · 0 评论 -
hdu 4722 Good Numbers ( 找规律 )
Good NumbersTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 549 Accepted Submission(s): 204Problem DescriptionIf we sum up原创 2013-09-12 13:02:39 · 1457 阅读 · 0 评论 -
hdu 4715 Difference Between Primes （打表 枚举）
Difference Between PrimesTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 528 Accepted Submission(s): 150Problem Description原创 2013-09-08 23:12:07 · 1580 阅读 · 2 评论 -
Codeforces Round #198 (Div. 2) C. Tourist Problem （数学+dp）
C. Tourist Problemtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputIahub is a big fan of tourists. He wants原创 2013-08-31 21:37:46 · 1486 阅读 · 0 评论 -
Codeforces Round #157 (Div. 1) C. Little Elephant and LCM （数学、dp）
C. Little Elephant and LCMtime limit per test4 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThe Little Elephant loves the LC原创 2014-11-05 22:53:22 · 1458 阅读 · 0 评论