Problems
 
 
# Name    
A
standard input/output
3 s, 256 MB
Submit  x235
B
standard input/output
1 s, 32 MB
Submit  x265
C
standard input/output
8 s, 256 MB
Submit  x242
D
standard input/output
1 s, 256 MB
Submit  x188
E
standard input/output
3 s, 256 MB
Submit  x215
F
standard input/output
2 s, 256 MB
Submit  x166
G
standard input/output
5 s, 256 MB
Submit  x38
H
standard input/output
1 s, 256 MB
Submit  x127
I
standard input/output
3 s, 256 MB
Submit  x12
J
standard input/output
1 s, 256 MB
Submit  x16
K
standard input/output
1 s, 256 MB
Submit  x41
L
standard input/output
2 s, 256 MB
Submit  x212
M
standard input/output
1 s, 256 MB
Submit  x110
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2022-02-22 23:43:49
Problem B. Blockchain
*****
There's nothing in the statement that talks about the product over an empty subset
The convention is that the product of an empty subset is 1.
2022-02-22 23:02:19
Problem D. Derivative of polynomial
*****
The problem statement says that the empty string is an example of a term, but the recursive definition doesn't allow it.
The empty string is not a valid term, the fix in the statement will be done in the next few minutes.
2022-02-22 22:23:50
Problem B. Blockchain
*****
It's G the graph consisting of vertices from 1 to n?
Yes
2022-02-22 21:30:44
Announcement
General announcement
*****
If you go to standings and click in `show unofficial` you will see the general standings (teams of UNAL and teams out of UNAL)
2022-02-22 21:23:17
Announcement
General announcement
*****
Hello everyone, if you have any questions you can use the `ask a question` button in this link https://mirror.codeforces.com/gym/103577