Problems
 
 
# Name    
A
standard input/output
1 s, 256 MB
Submit  x6647
B
standard input/output
1 s, 256 MB
Submit  x3201
C
standard input/output
1 s, 256 MB
Submit  x2135
D
standard input/output
2.5 s, 512 MB
Submit  x1403
E
standard input/output
2 s, 256 MB
Submit  x541
F
standard input/output
2 s, 256 MB
Submit  x423
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2021-03-10 16:34:28
Announcement
Problem B. Let's Go Hiking
*****
All players see everything that happens in the game: so each player knows the position of the other player.
2021-03-10 16:19:42
Announcement
Problem B. Let's Go Hiking
*****
One additional explanation was added to the statement. Please reload the statement.
2021-03-10 16:04:56
Announcement
Problem B. Let's Go Hiking
*****
The condition x' not equal to y means, that Qingshan can't move into the position, where Daniel currently is (so y represents his current position).

The condition y' not equal to x means, that Daniel can't move into the position, where Qingshan currently is (so x represents her current position).