Problems
 
 
# Name    
A
3D
standard input/output
1 s, 256 MB
Submit  x6
B
standard input/output
2 s, 256 MB
Submit  x2
C
standard input/output
1 s, 256 MB
Submit  x5
D
standard input/output
1 s, 256 MB
Submit  x8
E
standard input/output
6 s, 512 MB
Submit  x2
F
standard input/output
1 s, 256 MB
Submit  x4
G
standard input/output
1 s, 256 MB
Submit  
H
standard input/output
1 s, 256 MB
Submit  x7
I
standard input/output
2 s, 256 MB
Submit  x7
J
standard input/output
1 s, 256 MB
Submit  x6
K
standard input/output
1 s, 256 MB
Submit  x3
L
standard input/output
2 s, 256 MB
Submit  
M
standard input/output
2 s, 256 MB
Submit  
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2025-10-01 11:31:43
Problem I. The Keeper vs The Overwriter
*****
Announcement
The goal is to make databases agree after all the commands have been processed. Only the final state matters.
2025-06-06 15:20:31
Announcement
Problem L. Summoner's Rift
*****
Anyone who solves this problem gets a balloon
2025-06-06 12:02:55
Problem I. The Keeper vs The Overwriter
*****
Do the databases have to agree at all times or just after the queries?
Only after all the commands