摘要： 时间限制400 ms 内存限制65536 kB 代码长度限制16000 B There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over t 阅读全文

摘要： Description Inhabitants of the Wonderland have decided to hold a regional programming contest. The Judging Committee has volunteered and has promised 阅读全文

摘要： Suppose a bank has N windows open for service. There is a yellow line in front of the windows which devides the waiting area into two parts. The rules 阅读全文

摘要： Description Bessie has moved to a small farm and sometimes enjoys returning to visit one of her best friends. She does not want to get to her old home 阅读全文

摘要： 问题描述 在一条直线上有n堆石子，每堆有一定的数量，每次可以将两堆相邻的石子合并，合并后放在两堆的中间位置，合并的费用为两堆石子的总数。求把所有石子合并成一堆的最小花费。 输入格式 输入第一行包含一个整数n，表示石子的堆数。 接下来一行，包含n个整数，按顺序给出每堆石子的大小 。 输出格式 输出一个 阅读全文

摘要： Description A fractal is an object or quantity that displays self-similarity, in a somewhat technical sense, on all scales. The object need not exhibi 阅读全文

摘要： In mathematics, a subsequence is a sequence that can be derived from another sequence by deleting some elements without changing the order of the rema 阅读全文

摘要： There is going to be a party to celebrate the 80-th Anniversary of the Ural State University. The University has a hierarchical structure of employees 阅读全文

摘要： Vasya has n days of vacations! So he decided to improve his IT skills and do sport. Vasya knows the following information about each of this n days: w 阅读全文

摘要： For a number,if the length of continuous odd digits is even and the length of continuous even digits is odd,we call it odd-even number.Now we want to 阅读全文