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Problems
 
 
# Name    
A
standard input/output
1 s, 128 MB
Submit  x546
B
standard input/output
1 s, 512 MB
Submit  x185
C
standard input/output
1 s, 512 MB
Submit  x40
D
standard input/output
1 s, 256 MB
Submit  x401
E
standard input/output
2 s, 512 MB
Submit  x111
F
standard input/output
1 s, 256 MB
Submit  x418
G
standard input/output
1 s, 128 MB
Submit  x593
H
standard input/output
10 s, 512 MB
Submit  x16
I
standard input/output
3 s, 512 MB
Submit  x24
J
standard input/output
2 s, 64 MB
Submit  x292
K
standard input/output
1 s, 64 MB
Submit  x538
L
standard input/output
2 s, 64 MB
Submit  x201
Complete problemset
 
 
 
 
Questions about problems
 
 
# Party When Question Answer
   
2018-07-05 23:32:32 Announcement Problem C. Christmas Tree
*****
There was an issue with the checker for problem C, now it is fixed and all solutions are rejudged.
   
2018-03-30 10:05:57 Problem A. Concerts
*****
Announcement
1 <= k <= 300 1 <= n <= 10^5