题目描述 农民Brown和John的牛们计划协同逃出它们各自的农场。它们设计了一种加密方法用来保护它们的通讯不 […]

题目描述 农夫约翰已经决定建造电网。他已经把他的农田围成一些奇怪的形状，现在必须找出安放电源的最佳位置。 对于 […]

题目描述 The Trip A group of students are members of a club […]

题目描述 Given two strings a and b, print the longest strin […]

题目描述 An archaeologist, seeking proof of the presence of […]

题目描述 From Euclid, it is known that for any positive int […]

题目描述 Mr. G. works as a tourist guide in Bangladesh. His […]

题目描述 A turtle named Mack, to avoid being cracked, has e […]

题目描述 King Arthur is planning to build the round table i […]

题目描述 求1!+2!+3!+4!+…+n!的结果。 输入 输入数据含有不多于50个的正整数n（1 […]