Problems
 
 
# Name    
A
standard input/output
2 s, 256 MB
Submit  x35
B
standard input/output
1.5 s, 256 MB
Submit  x100
C
standard input/output
1 s, 256 MB
Submit  x73
D
standard input/output
2 s, 256 MB
Submit  x4
E
standard input/output
4 s, 256 MB
Submit  x6
F
standard input/output
2 s, 256 MB
Submit  x40
G
standard input/output
1 s, 256 MB
Submit  x241
H
standard input/output
2 s, 256 MB
Submit  x12
I
standard input/output
1 s, 256 MB
Submit  x41
J
standard input/output
1 s, 256 MB
Submit  x23
K
standard input/output
1 s, 256 MB
Submit  x130
L
standard input/output
1 s, 256 MB
Submit  x150
M
standard input/output
4 s, 256 MB
Submit  x56
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2023-10-10 20:55:31
Problem I. Semi-Palindromic Tree
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Announcement
As lots of teams has solved problem I, we are not removing it. Another additional constraint is added: You can only use characters 'a' and 'b'.
2023-10-10 20:36:07
Problem I. Semi-Palindromic Tree
*****
Announcement
We are sorry to say that, the dataset and solution of problem I Semi-Palindromic Tree was wrong. Which can not be solved. So we are removing the problem. Sorry for the inconvenience.
2023-10-10 16:24:08
Problem M. Banana Monitor
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The traffic is given in each minute.
Will A and C be in seconds or in minutes? The statement says A consecutive seconds and C consecutive seconds. Isn't it be A consecutive minutes and C consecutive minutes?
All units are in minutes. Problem statement will be updated shortly.