Problems
 
 
# Name    
A
standard input/output
1 s, 256 MB
Submit  x898
B
standard input/output
1 s, 256 MB
Submit  x786
C
standard input/output
1.5 s, 256 MB
Submit  x664
D
standard input/output
1 s, 256 MB
Submit  x597
E
standard input/output
1 s, 256 MB
Submit  x366
F
standard input/output
1 s, 256 MB
Submit  x383
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2020-11-25 18:14:38
Problem D. Sanda's Job
*****
Announcement
b cannot be negative because b is a permutation of a
2020-11-25 18:02:21
Problem A. Catching the Impostor
*****
Announcement
We are sorry about the long queue since the start of the contest. It should be better now. We hope you enjoy the problems anyway!