2018年4月23日
[数论][组合数学]HEX
摘要： Problem Description On a plain of hexagonal grid, we define a step as one move from the current grid to the lower/lower-left/lower-right grid. For exa 阅读全文
posted @ 2018-04-23 13:17 l..q 阅读(238) 评论(0) 推荐(0)