Keamoulin的专栏

After read Dr. D.E.Knuths book, Mr. Bpt finds an interesting thing.As we all known, a decimal number may be represented in binary form. For example, we are able to use (101)2 represent (5)10. And d

After graduated from Nankai University, Mr. AngelClover and his classmates goes to different places all over the world. Now Mr. AngelClover has a project. In this project he needs to know the distance

 When Mr. Macpet gets a heritage he doesnt feel so happy, because he needs a password to open it. This password is a number which can be got as followed.For any positive integer a, an integer fun

In Nankai University, the poster board in front of Third Student Dining Hall is the most popular one among students. There are so many posters expected to be post there that the Students Union have t

Mr. Retain is so clever that he creates a jet aircraft by himself. A jet aircraft is an aircraft propelled by jet engines. Jet aircraft fly much faster than propeller-powered aircrafts and at higher a

Mr. AngelClover just learnt XOR on his Computer Class. XOR is a bit arithmetic operator that returns one value if one, but not both, of its operands is one. It is also called Exclusive-OR. Now Mr. Ang

  Mr. Fantasy likes magic show very much.  He does not only like watching magic show, but also like to play magic. This time, he creates a new magic game.In this game, an assistant is needed.

Train ticket office is always busy, especially during the Spring Festival. In those days many people who want train tickets fall in an agony of waiting and no tickets, including Mr. Govern. His awful