大树的难题!??

大树的难题!??

题目链接:http://202.118.67.200:7217/codesheaven/problem.php?id=1046

参考题解:http://dutacm.club:7217/codesheaven/blog/2017/01/04/dut-star-weekly-contest-3-problem-f-solution/

wait for solving...

posted @ 2017-03-09 01:19  barriery  阅读(219)  评论(0编辑  收藏  举报