Problems
 
 
# Name    
A
standard input/output
1 s, 256 MB
Submit  x621
B
standard input/output
1 s, 256 MB
Submit  x515
C
standard input/output
1 s, 256 MB
Submit  x134
D
standard input/output
1 s, 256 MB
Submit  x53
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2021-04-01 09:26:45
Problem B. John, Katya
*****
Announcement
There is a typo in the third paragraph of problem B, "then if i! is odd" should be "then if the product of all the factorials is odd".
2021-03-31 19:45:58
Problem B. John, Katya
*****
Announcement
Please refresh the statement, there was small typo