Problems
 
 
# Name    
A
standard input/output
1 s, 512 MB
Submit  x16009
B
standard input/output
1.5 s, 512 MB
Submit  x5637
C
standard input/output
2 s, 512 MB
Submit  x13508
D
standard input/output
2 s, 512 MB
Submit  x2922
E
standard input/output
2 s, 512 MB
Submit  x818
F
standard input/output
5 s, 256 MB
Submit  x385
G
standard input/output
3 s, 512 MB
Submit  x103
H
standard input/output
2 s, 512 MB
Submit  x81
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2025-10-30 19:39:12
Announcement
Problem A. Round Trip
*****
In the Russian statement, read: "n rounds, each of one of *two* types: div. 1 -- rated for *all* participants".
2025-10-30 19:35:52
Announcement
General announcement
*****
In this round, hacks for problems A-D are disabled. In problems A-D, system tests are equal to pretests. In problems E-H, system tests are pretests plus hacks.