Login
Register
HelloWorld信息学奥赛题库
少儿编程
少儿编程
Contests
Problems
Problem Items
Submissions
//= HTML::url('/hacks') ?>//= UOJLocale::get('hacks') ?>
Blogs
Help
「BalticOI 2013」雪地足迹 Tracks in the Snow Statistics
Accepted Submissions
fastest
shortest
ID
Problem
Submitter
Result
Time
Memory
Language
File size
Submit time
None
Score distribution
Prefix sum
Suffix sum