摘要：
Problem CChinese MahjongMahjong () is a game of Chinese origin usually played by four persons with tiles resembling dominoes and bearing various designs, which are drawn and discarded until one player wins with a hand of four combinations of three tiles each and a pair of matching tiles.A set of Mah 阅读全文
摘要：
Problem HHelp is needed for DexterTime Limit: 3 SecondDexter is tired of Dee Dee. So he decided to keep Dee Dee busy in a game. The game he planned for her is quite easy to play but not easy to win at least not for Dee Dee. But Dexter does not have time to spend on this silly task, so he wants your 阅读全文
摘要：
There are several colored cubes. All of them are of the same size but they may be colored differently. Each face of these cubes has a single color. Colors of distinct faces of a cube may or may not be the same.Two cubes are said to beidentically coloredif some suitable rotations of one of the cubes 阅读全文