Problems
 
 
# Name    
A
standard input/output
1 s, 256 MB
Submit  x382
B1
standard input/output
1 s, 256 MB
Submit  x229
B2
standard input/output
1 s, 256 MB
Submit  x167
C
standard input/output
2 s, 256 MB
Submit  x73
D
standard input/output
1 s, 256 MB
Submit  x210
E
standard input/output
15 s, 256 MB
Submit  x53
F
standard input/output
1 s, 256 MB
Submit  x183
G
standard input/output
1 s, 256 MB
Submit  x126
H
standard input/output
2 s, 256 MB
Submit  x120
I
standard input/output
1 s, 256 MB
Submit  x96
J
standard input/output
2.5 s, 256 MB
Submit  x78
K
standard input/output
1 s, 256 MB
Submit  x232
L
standard input/output
1 s, 256 MB
Submit  x53
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2021-08-30 17:40:33
Problem E. Experiment!
*****
Announcement
E has been minorly retroactively changed to be a bit more "pretty" in terms of interaction. Don't worry, the exact Accepted code from before were guaranteed to still be accepted.
2021-01-04 18:31:08
Problem G. Gamer Girl Gauntlet
*****
Announcement
Some extra test cases have been added, and submissions have been rejudged.
2021-01-02 12:11:47
Problem B2. Biodiverse Subarray
*****
Announcement
There was a small error in the image shown for the explanation of the second sample test case. The image has been fixed.