Login
Register
QOJ.ac
QOJ
QOJ
Contests
Category
Problems
Submissions
Hack!
Blogs
PKU v. THU (Preliminary Round 2)
Time Limit: 2 s
Memory Limit: 256 MB
Hackable ✓
The 1st Universal Cup. Stage 15: Hangzhou
I. MEXimum Spanning Tree
Statistics
Statement
Submit
Custom Test
Attachments
Back to the contest
Submit
Run