偷吃了老鼠的土豆

题目：http://poj.org/problem?id=1651The multiplication puzzle is played with a row of cards, each containing a single positive integer. During the move player takes one card out of the row and scores t...

题目：ZOJ - 3469 When we are focusing on solving problems, we usually prefer to stay in front of computers rather than go out for lunch. At this time, we may call for food delivery.Suppose there are ...

题目：Gappu has a very busy weekend ahead of him. Because, next weekend is Halloween, and he is planning to attend as many parties as he can. Since it's Halloween, these parties are all costume parties...

题目：We give the following inductive definition of a “regular brackets” sequence:the empty sequence is a regular brackets sequence, if s is a regular brackets sequence, then (s) and [s] are regular...

题目：Once Petya read a problem about a bracket sequence. He gave it much thought but didn't find a solution. Today you will face it.You are given string s. It represents a correct bracket sequence. ...