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2016-05-17 00:07:47 363

原创 HDU 2841 Visible Trees(容斥原理，数论)

Visible Trees Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2380 Accepted Submission(s): 989 Problem Description There are man

2016-04-02 17:20:18 390

原创 HDU 2204 Eddy's爱好(数论，容斥原理)

Eddy's爱好 Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2162 Accepted Submission(s): 939 Problem Description Ignatius 喜欢收集蝴蝶标本和

2016-04-02 16:22:13 809

原创 BestCoder Round #74 HDU 5638 Topsort

拓扑排序算法 BestCoder

2016-03-07 21:57:18 581

原创迷茫

迷茫ing

2016-03-01 23:35:35 364

原创 POJ Ultra-QuickSort 逆序数树状数组归并排序

归并排序树状数组逆序数

2016-02-28 21:25:14 702

原创 AOJ AHU 173编辑距离

求最小编辑距离

2015-07-20 21:19:07 857

原创 Rails-AHU-AOJ-11

Rails Time Limit: 1000 ms Case Time Limit: 1000 ms Memory Limit: 64 MB Total Submission: 434 Submission Accepted: 140 Description There is a famous railway station in PopPush City. Country ther

2015-04-22 18:12:26 702

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