摘要： Weak Pair Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 2081 Accepted Submission(s): 643 Prob 阅读全文

摘要： Sparse Graph Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 1563 Accepted Submission(s): 549 P 阅读全文

摘要： Visible Lattice Points Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 6681 Accepted: 4000 Description A lattice point (x, y) in the first 阅读全文

摘要： Farey Sequence Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 15242 Accepted: 6054 Description The Farey Sequence Fn for any integer n wit 阅读全文

摘要： Relatives Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 13693 Accepted: 6834 Description Given n, a positive integer, how many positive i 阅读全文

摘要： The Balance Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 5991 Accepted: 2605 Description Ms. Iyo Kiffa-Australis has a balance and only 阅读全文

摘要： Antenna Placement Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 8924 Accepted: 4428 Description The Global Aerial Research Centre has bee 阅读全文

摘要： Muddy Fields Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 10044 Accepted: 3743 Description Rain has pummeled the cows' field, a rectangu 阅读全文

摘要： Machine Schedule Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 14429 Accepted: 6153 Description As we all know, machine scheduling is a v 阅读全文

摘要： Chessboard Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 16924 Accepted: 5284 Description Alice and Bob often play games on chessboard. O 阅读全文