Problems
 
 
# Name    
A
standard input/output
2.5 s, 256 MB
Submit  x9
B
standard input/output
1 s, 256 MB
Submit  x42
C
standard input/output
10 s, 16 MB
Submit  x25
D
standard input/output
2 s, 256 MB
Submit  x3
E
standard input/output
1 s, 256 MB
Submit  x10
F
standard input/output
1.5 s, 1024 MB
Submit  x12
G
standard input/output
1 s, 256 MB
Submit  x21
H
standard input/output
1 s, 256 MB
Submit  x8
I
standard input/output
4 s, 256 MB
Submit  x5
J
standard input/output
1 s, 256 MB
Submit  x16
K
standard input/output
2 s, 256 MB
Submit  x9
L
standard input/output
2 s, 256 MB
Submit  x1
M
standard input/output
1 s, 256 MB
Submit  x34
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2026-04-05 00:00:22
Problem H. Space Trip
*****
Announcement
The problem's statement has been updated to reflect its sample. It is now explicitly mentioned that 'You must always buy exactly enough fuel to get to your next station.'
2026-04-04 21:39:51
Problem A. Jupiter
*****
Announcement
Sample 2 for A was updated, an issue with the solution is being investigated