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Card Game (First Edition) FZU - 2264 Fat brother and Maze are playing a kind of special (hentai) game with some cards. There are N*2 car...

Card Game (Second Edition) FZU - 2265 Fat brother and Maze are playing a kind of special (hentai) game with some cards. In this game, every player gets N ca...

Card Game (Third Edition) FZU - 2266 Fat brother and Maze are playing a kind of special (hentai) game with some cards. In this game, eve...

Pocky HDU - 5984 Let’s talking about something of eating a pocky. Here is a Decorer Pocky, with colorful decorative stripes in the coating, of length L.While the length of remaining pocky is longer...

Lucky Coins HDU - 5985 Bob has collected a lot of coins in different kinds. He wants to know which kind of coins is lucky. He finds out a lucky kind of coins by the following way. He tosses all the ...

Hunters HDU - 4438 Alice and Bob are the topmost hunters in the forest, so no preys can escape from them. However, they both think that its hunting skill is better than the other. So they need a mat...

Uva12230Crossing Rivers (数学期望)问题：You live in a village but work in another village. You decided to follow the straight path between your house (A) and the working place (B), but there are several ri...