2017年2月9日
USACO 5.2 Snail Trails
摘要： Sally Snail likes to stroll on a N x N square grid (1 <n <= 120). She always starts in the upper left corner of the grid. The grid has empty squares ( 阅读全文
posted @ 2017-02-09 18:55 sigongzi 阅读(383) 评论(0) 推荐(0) 编辑