Problems
 
 
# Name    
A
standard input/output
1 s, 256 MB
Submit  x23735
B
standard input/output
1.5 s, 256 MB
Submit  x19290
C
standard input/output
2 s, 256 MB
Submit  x10954
D
standard input/output
2 s, 512 MB
Submit  x2688
E
standard input/output
2 s, 512 MB
Submit  x1720
F
standard input/output
4 s, 512 MB
Submit  x162
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2025-11-16 16:44:05
Announcement
General announcement
*****
Hacking is disabled in problem A-D (in div. 2). In problems A-D, system tests are equal to pretests; in problems E-F, system tests are equal to pretests plus hacks.