摘要：DreamGrid has just found an integer sequence in his right pocket. As DreamGrid is bored, he decides to play with the sequence. He can perform the foll 阅读全文

摘要：Sort it You want to processe a sequence of n distinct integers by swapping two adjacent sequence elements until the sequence is sorted in ascending or 阅读全文

摘要：确定比赛名次 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 10358 Accepted Submission(s): 4046 Problem 阅读全文

摘要：1867: 礼上往来 Description 每当节日来临，女友众多的xxx总是能从全国各地的女友那里收到各种礼物。 有礼物收到当然值得高兴，但回礼确是件麻烦的事！ 无论多麻烦，总不好意思收礼而不回礼，那也不是xxx的风格。 现在，即爱面子又抠门的xxx想出了一个绝妙的好办法：他准备将各个女友送来的 阅读全文