Problems
 
 
# Name    
A
standard input/output
1 s, 256 MB
Submit  x184
B
standard input/output
8 s, 256 MB
Submit  x188
C
standard input/output
1 s, 256 MB
Submit  x2
D
standard input/output
1 s, 256 MB
Submit  x224
E
standard input/output
3 s, 256 MB
Submit  x64
F
standard input/output
6 s, 256 MB
Submit  x8
G
standard input/output
1 s, 256 MB
Submit  x198
H
standard input/output
1 s, 256 MB
Submit  x19
I
standard input/output
1 s, 256 MB
Submit  x127
J
standard input/output
1 s, 256 MB
Submit  x160
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2014-10-12 11:22:56
Problem J. Healthy Recipes
*****
If m = 0, should empty set be included to answer?
Yes
2014-10-12 10:53:44
Problem E. Binary Search Tree
*****
Is the comparison strictly less? (For example, if a key of the left children is equal to the key of the vertex, is it a valid binary search tree?)
Yes. Comparison is strictly less
2014-10-12 10:20:33
The formula should be: A(i) = (C1 * A(i-1) + C2) mod M
2014-10-12 10:04:41
Problem A. Cool number
*****
are there "Ghost Participation" here?
No
2014-10-12 10:03:08
Problem A. Cool number
*****
Announcement
Problem statement in Vietnamese is available here: https://www.dropbox.com/s/g2mdv0tu8qvolpe/problem_vi.html?dl=0 Đề bài bằng tiếng Việt có thể xem ở đây: https://www.dropbox.com/s/g2mdv0tu8qvolpe/problem_vi.html?dl=0