Contest Clarifications

Problem 1003 xi <= j <= xi + di

z286830682 | 2015-08-22 20:00:25Author

di是这样用吗

admin | 2015-08-22 20:01:27# 1

是

admin | 2015-08-22 20:08:59# 2

等下，才发现看错了是dep[x[i]]<=dep[j]<=dep[x[i]]+d[i]，其中dep[i]是i的深度

z286830682 | 2015-08-22 20:45:36# 3

打了把炉石回来看到这个= =