Problems
 
 
# Name    
A
standard input/output
1 s, 1024 MB
Submit  x166
B
standard input/output
1 s, 256 MB
Submit  x330
C
standard input/output
1 s, 1024 MB
Submit  x367
D
standard input/output
2 s, 256 MB
Submit  x172
E
standard input/output
1 s, 1024 MB
Submit  x815
F
standard input/output
1 s, 256 MB
Submit  x287
G
standard input/output
1 s, 256 MB
Submit  x472
H
standard input/output
1 s, 256 MB
Submit  x598
I
standard input/output
2 s, 256 MB
Submit  x43
J
standard input/output
1 s, 256 MB
Submit  x83
K
standard input/output
1 s, 256 MB
Submit  x276
L
standard input/output
1 s, 256 MB
Submit  x156
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2026-09-20 00:30:21
Problem B. Binahuatls Prophecy
*****
Announcement
in this problem 0 is not a palindrome
2026-09-20 00:29:28
Problem J. Joining the KAK
*****
Announcement
for the purposes of this problem shorter strings are smaller lexicographically compared to any longer string
2026-09-20 00:28:12
Problem L. Limited Increasing Sequences
*****
Announcement
the first element of the sequence has to be 1