Problems
 
 
# Name    
A
standard input/output
1 s, 256 MB
Submit  x30988
B
standard input/output
1 s, 256 MB
Submit  x21313
C
standard input/output
1 s, 256 MB
Submit  x7790
D
standard input/output
1 s, 256 MB
Submit  x4529
E
standard input/output
3 s, 256 MB
Submit  x571
F
standard input/output
5 s, 256 MB
Submit  x201
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2021-05-24 17:47:53
Announcement
Problem B. Sifid and Strange Subsequences
*****
**Note that the condition must hold for EVERY pair of elements. Read the statement carefully. "For any" means "for every", not "for some" **