摘要:
There are N seaside villages on X island, numbered from 1 to N. N roads are built to connect all of them, which are also numbered from... 阅读全文
摘要:
Problem DescriptionOne day Sophia finds a very big square. There are n trees in the square. They are all so tall. Sophia is very inter... 阅读全文
摘要:
My Tags (Edit) Source : mostleg Time limit : 1 sec Memory limit : 64 MSubmitted : 725, Accepted : 286As most of the ACMers, wy's next... 阅读全文