Problems
 
 
# Name    
A
standard input/output
2 s, 512 MB
Submit  x506
B
standard input/output
5 s, 512 MB
Submit  x90
C
standard input/output
2 s, 512 MB
Submit  x395
D
standard input/output
5 s, 512 MB
Submit  x164
E
standard input/output
2 s, 512 MB
Submit  x617
F
standard input/output
6 s, 512 MB
Submit  x5
G
standard input/output
3 s, 512 MB
Submit  x125
H
standard input/output
5 s, 512 MB
Submit  
I
standard input/output
2 s, 512 MB
Submit  x9
J
standard input/output
2 s, 512 MB
Submit  x19
K
standard input/output
2 s, 512 MB
Submit  x697
L
standard input/output
2 s, 512 MB
Submit  x236
M
standard input/output
2 s, 512 MB
Submit  x621
N
standard input/output
2 s, 512 MB
Submit  x6
O
standard input/output
2 s, 512 MB
Submit  x23
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2020-12-13 22:54:53
Problem B. Brain-teaser
*****
Announcement
You can download full second example from https://assets.codeforces.com/rounds/102896/brainteaser-2.in
2020-12-13 13:31:01
Announcement
General announcement
*****

Because of COVID-19 restrictions contest was held online, and teams were allowed to use three computers for solving problems. Probably, contest would be too hard for normal ICPC rules.