2015年11月8日
Problem A. Dynamic Grid
摘要： ProblemWe have a grid withRrows andCcolumns in which every entry is either 0 or 1. We are going to performNoperations on the grid, each of which is on... 阅读全文
posted @ 2015-11-08 15:51 stonehat 阅读(303) 评论(0) 推荐(0) 编辑