QOJ.ac
QOJ
Time Limit:
1.5 s
Memory Limit:
1024 MB
Total points:
100
Hackable ✓
The 3rd Universal Cup. Stage 38: Guangzhou
A. Requiem for Qingyu / 青鱼安魂曲
This problem is prepared by
bulijiojiodibuliduo and kevin5307 .