摘要：
Little Zu Chongzhi's Triangles Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 512000/512000 K (Java/Others) Total Submission(s): 1811 ... 阅读全文
摘要：
钉子和小球 Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 7903 Accepted: 2420 Description 有一个三角形木板,竖直立放，上面钉着n(n+1)/2颗钉子，还有(... 阅读全文
摘要：
B. Art Union time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A well-known ... 阅读全文