weixin_40829921的博客

HDU - 5112There is a curious man called Matt. One day, Matt's best friend Ted is wandering on the non-negative half of the number line. Matt finds it interesting to know the maximal speed Ted may r...

HDU - 5119Matt has N friends. They are playing a game together. Each of Matt’s friends has a magic number. In the game, Matt selects some (could be zero) of his friends. If the xor (exclusive-or) s...

HDU - 5113In mathematics, the four color theorem, or the four color map theorem, states that, given any separation of a plane into contiguous regions, producing a figure called a map, no more than f...

HDU - 5122Matt’s friend K.Bro is an ACMer. Yesterday, K.Bro learnt an algorithm: Bubble sort. Bubble sort will compare each pair of adjacent items and swap them if they are in the wrong order. The ...

Matt is a big fan of logo design. Recently he falls in love with logo made up by rings. The following figures are some famous examples you may know. A ring is a 2-D figure bounded by two circles ...

HDU - 5115Dire wolves, also known as Dark wolves, are extraordinarily large and powerful wolves. Many, if not all, Dire Wolves appear to originate from Draenor. Dire wolves look like normal wolves,...

Jin Yong’s Wukong Ranking List时间限制:1000ms单点时限:1000ms内存限制:512MB描述Jin Yong was the most famous and popular Chinese wuxia (The one who fight bad people by his Wukong i.e. Wushu and Kongfu) nove...

Palindromes时间限制:1000ms单点时限:1000ms内存限制:512MB描述Recently, Nvoenewr learnt palindromes in his class.A palindrome is a nonnegative integer that is the same when read from left to right and when...