摘要:
There are so many different religions in the world today that it is difficult to keep track of them all. You are interested in findin... 阅读全文
摘要:
Today is Ignatius' birthday. He invites a lot of friends. Now it's dinner time. Ignatius wants to know how many tables he needs at lea... 阅读全文
摘要:
某省调查城镇交通状况,得到现有城镇道路统计表,表中列出了每条道路直接连通的城镇。省政府“畅通工程”的目标是使全省任何两个城镇间都可以实现交通(但不一定有直接的道路相连,只要互相间接通过道路可达即可)。问最少还需要建设多少条道路? Input测试输入包含若干测试用例... 阅读全文