问题 E: 【排序】绝境求生 时间限制: 1 Sec 内存限制: 64 MB 提交: 19 解决: 12 题目描述 The Eight Puzzle, among other sliding-tile puzzles, is one of the famous problems in artificial intelligence. Along with chess, tic-tac-toe and backgammon, it has been used to study search algorithms. The Eight Puzzle can be generalized ...