Login
Register
QOJ.ac
QOJ
QOJ
Contests
Category
Problems
Submissions
Hack!
QOJ will undergo maintenance on July 5th from 02:00 to 04:00 (UTC +8). The service may be unavailable during this time.
ID
Problem
Submitter
Result
Time
Memory
Language
File size
Submit time
#5889
#560. 隧道
Qingyu
100 ✓
189ms
32936kb
C++17
3.2kb
2021-01-27 14:25:29