摘要: Problem Descriptino: On a N x N grid of cells, each cell (x, y)with 0 <= x < N and 0 <= y < N has a lamp. Initially, some number of lamps are on. lamp 阅读全文
posted @ 2019-03-04 15:46 起点菜鸟 阅读(264) 评论(0) 推荐(0) 编辑