摘要：题面 Dearboy, a goods victualer, now comes to a big problem, and he needs your help. In his sale area there are N shopkeepers (marked from 1 to N) which 阅读全文

摘要：题面 On a grid map there are n little men and n houses. In each unit time, every little man can move one unit step, either horizontally, or vertically, 阅读全文

摘要：题面 You are in charge of setting up the press room for the inaugural meeting of the United Nations Internet eXecutive (UNIX), which has an internationa 阅读全文

摘要：题面 Do not sincere non interference。 Like that show, now starvae also take part in a show, but it take place between city A and B. Starvae is in city A 阅读全文

摘要：题目背景 在农夫约翰的农场上，每逢下雨，贝茜最喜欢的三叶草地就积聚了一潭水。这意味着草地被水淹没了，并且小草要继续生长还要花相当长一段时间。因此，农夫约翰修建了一套排水系统来使贝茜的草地免除被大水淹没的烦恼（不用担心，雨水会流向附近的一条小溪）。作为一名一流的技师，农夫约翰已经在每条排水沟的一端安上 阅读全文