富士山下

Edward, a poor copy typist, is a user of the Dvorak Layout. But now he has only a QWERTY Keyboard with a brokenCaps Lock key, so Edward never presses the brokenCaps Lock key. Luckily, all the othe

In Zhejiang University Programming Contest, a team is called "couple team" if it consists of only two students loving each other. In the contest, the team will get a lovely balloon with unique color f

In mathematical terms, the normal sequence F(n) of Fibonacci numbers is defined by the recurrence relationF(n)=F(n-1)+F(n-2)with seed values F(0)=1, F(1)=1In this Gibonacci numbers problem, th