codeforces251A. Points on Line Home » 编程开发 » codeforces251A. Points on Line Note In the first sample any group of three points meet … 阅读更多
Codeforces548A:Mike and Fax Home » 编程开发 » Codeforces548A:Mike and Fax Note Palindromeis a string reading the same forward and … 阅读更多