Login
Register
Universal Cup Judging System
Universal Cup
Universal Cup
Contests
Time Limit: 3.0 s
Memory Limit: 1024 MB
Hackable ✓
The 3rd Universal Cup. Stage 19: Shenyang
A. Safety First
Statistics
Statement
Submit
Custom Test
Attachments
Back to the contest
This problem is prepared by
quailty
.
Submit
Run