Login
Register
QOJ.ac
QOJ
QOJ
Contests
Category
Problems
Submissions
Hack!
Blogs
Day 1
Day 2
Time Limit: 1 s
Memory Limit: 512 MB
Total points: 100
Difficulty:
[show]
4
Hackable ✓
#6495. 保卫王国
Statistics
Statement
Submit
Custom Test
Attachments
The problem was used in the following contests:
National Olympiad in Informatics in Provinces 2018 Day 2 (NOIP 2018 Day 2)
Submit
Run