摘要: Just an Old Puzzle 题目描述 You are given a 4 × 4 grid, which consists of 15 number cells and an empty cell.All numbers are unique and ranged from 1 to 15 阅读全文
posted @ 2019-08-01 21:47 SpringYEP 阅读(329) 评论(0) 推荐(0) 编辑