Problems
 
 
# Name    
A
standard input/output
1 s, 256 MB
Submit  x1
B
standard input/output
2 s, 256 MB
Submit  x3
C
standard input/output
3 s, 512 MB
Submit  x4
D
standard input/output
3 s, 256 MB
Submit  x6
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2025-11-03 19:12:42
Announcement
General announcement
*****
The first three problems are from day 1, the last problem is the one of the three problem from day 2. In the on-site contest, each day consisted of a contest of 5 hours.