摘要：
Problem In a kingdom there are prison cells (numbered 1 to P) built to form a straight line segment. Cells number i and i+1 are adjacent, and prisoner 阅读全文
摘要：
King Mercer is the king of ACM kingdom. There are one capital and some cities in his kingdom. Amazingly, there are no roads in the kingdom now. Recent 阅读全文
摘要：
Nicholas Y. Alford was a cat lover. He had a garden in a village and kept many cats in his garden. The cats were so cute that people in the village al 阅读全文
摘要：
题目描述 【问题描述】 小 B 最近迷上了华容道，可是他总是要花很长的时间才能完成一次。于是，他想到用编程来完成华容道：给定一种局面， 华容道是否根本就无法完成，如果能完成， 最少需要多少时间。 小 B 玩的华容道与经典的华容道游戏略有不同，游戏规则是这样的： 在一个 n*m 棋盘上有 n*m 个格 阅读全文