摘要: D. Sand Fortress time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You are going to the be 阅读全文
posted @ 2018-05-22 10:42 会打表的toby 阅读(748) 评论(0) 推荐(1) 编辑
摘要: E. Pencils and Boxes time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Mishka received a g 阅读全文
posted @ 2018-05-22 01:27 会打表的toby 阅读(680) 评论(2) 推荐(0) 编辑
摘要: J. Bottles time limit per test 2 seconds memory limit per test 512 megabytes input standard input output standard output Nick has n bottles of soda le 阅读全文
posted @ 2018-05-17 18:04 会打表的toby 阅读(398) 评论(2) 推荐(0) 编辑
摘要: 在树上,确定了起点和终点后,路径就确定了。根据给的路径,很快就能找到起点和终点的区间,从而计算出相应的路径数 阅读全文
posted @ 2018-05-16 18:56 会打表的toby 阅读(662) 评论(0) 推荐(0) 编辑