Problems
 
 
# Name    
A
standard input/output
2 s , 256 MB
Submit  x4
B
standard input/output
1 s , 256 MB
Submit  x10
C
standard input/output
1 s , 256 MB
Submit  
D
standard input/output
2 s , 256 MB
Submit  
E
standard input/output
2.5 s , 256 MB
Submit  x12
F
standard input/output
2 s , 256 MB
Submit  x35
G
standard input/output
1 s , 256 MB
Submit  x55
H
standard input/output
1 s , 256 MB
Submit  x22
I
standard input/output
1 s , 256 MB
Submit  x1
J
standard input/output
1 s , 256 MB
Submit  x43
K
standard input/output
1 s , 256 MB
Submit  x7
L
standard input/output
1 s , 256 MB
Submit  x9
M
standard input/output
1 s , 256 MB
Submit  x30
* This contest uses time limits scaling policy (depending on a programming language). The system automatically adjusts time limits by the following multipliers for some languages. Despite scaling (adjustment), the time limit cannot be more than 30 seconds. Read the details by the link.
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2026-05-02 16:46:47
Announcement
General announcement
*****
The contest is over 4atoooreeeen!
2026-05-02 15:12:41
Problem B. Rayo loves DNA Repair (Orange)
*****
whats the range of M
10^5
2026-05-02 15:12:22
Problem A. Meow loves mEow loves meOw (4 Version) (Red)
*****
is this considered a valid string:
meOwmeoWMeowmEowmeOw
the string here is not considered Valid:
meOwmeoWMeowmEowmeOw

as the String is cyclic if we cycle shift the string 4 times to the right it results to this stiring:
meOwmeOwmeoWMeowmEow
which violates "The Shift rule"
2026-05-02 14:29:13
Problem B. Rayo loves DNA Repair (Orange)
*****
what is the meaning of N ?
The problem statement is updated on Codeforces
2026-05-02 12:46:22
Problem H. Shaaker loves Databases (Pink)
*****
what is the limits on q, n , and d overall testcases?
The problem statement is updated on Codeforces
2026-05-02 12:00:25
Problem H. Shaaker loves Databases (Pink)
*****
the problem asks to print one number for each test case yet the example test case has more than one output per test case
The problem statement is updated on Codeforces
2026-05-02 11:53:49
Announcement
General announcement
*****
Please Use the "Ask a question"
for any question related to the contest

Please don't ask the volunteer for anything related to the problems