xtulollipop

DescriptionThe stores manager has sorted all kinds of goods in an alphabetical order of their labels. All the kinds having labels starting with the same letter are stored in the same warehouse (i.

DescriptionFJ and his cows enjoy playing a mental game. They write down the numbers from 1 to N (1 <= N <= 10) in a certain order and then sum adjacent numbers to produce a new list with one fewer

Description Angel was caught by the MOLIGPY! He was put in prison by Moligpy. The prison is described as a N * M (N, M <= 200) matrix. There are WALLs, ROADs, and GUARDs in the prison.Angel’s friends

DescriptionMany of us had played the game "Battle city" in our childhood, and some people (like me) even often play it on computer now. What we are discussing is a simple edition of this g

B. Berland National Library time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output Berland National Library has recently been built in the capital

Problem Description Princess Alisha invites her friends to come to her birthday party. Each of her friends will bring a gift of some value v, and all of them will come at a different time. Because the

DescriptionS = s1 s2…s2n 是一个符合格式的括号的字符串，S能按下面两种方式编码： P编码：编码是一个整数序列P = p1 p2…pn，pi是第i个右括号之前的左括号的数目。 W编码：编码是一个整数序列W= p1 p2…pn，wi是第i个右括号的编码值，它等于这个右括号到与之匹配的左括号之间的右括号的数目（包括它自己）。 比如：请写一个程序将P序列转换成W序列。输入：第一