Rating changes for the last round are temporarily rolled back. They will be returned soon. ×

 
 
 
 
Problems
 
 
# Name    
A
standard input/output
1 s, 256 MB
Submit  x4566
B
standard input/output
1 s, 256 MB
Submit  x3706
C
standard input/output
1 s, 256 MB
Submit  x610
D
standard input/output
1 s, 256 MB
Submit  x331
E
standard input/output
8 s, 256 MB
Submit  x146
Complete problemset
 
 
 
 
Questions about problems
 
 
# Party When Question Answer
   
2014-10-24 22:33:35 Announcement Problem D. Random Function and Tree
*****
Pictures for the first sample contain wrong numbers: on each tree 3 and 4 should be swapped (3 should be on the left node and 4 should be on the right node). They will be fixed soon.
   
2014-10-24 21:09:50 Announcement General announcement
*****
Due to technical issues at the beginning contest duration is increased by 10 minutes.