Problems
 
 
# Name    
A
standard input/output
2 s, 256 MB
Submit  x82
B
standard input/output
2 s, 256 MB
Submit  x78
C
standard input/output
1 s, 256 MB
Submit  x49
D
standard input/output
2 s, 256 MB
Submit  x30
E
standard input/output
2 s, 1024 MB
Submit  x15
F
standard input/output
1 s, 256 MB
Submit  x18
G
standard input/output
2 s, 256 MB
Submit  x60
H
standard input/output
4 s, 256 MB
Submit  x3
I
standard input/output
3 s, 256 MB
Submit  x12
J
standard input/output
2 s, 256 MB
Submit  x39
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2021-02-24 19:05:26
Problem B. Krosh and xor of sums
*****
Announcement
It is not said that this sequence is increasing.
2021-02-24 19:03:09
Problem B. Krosh and xor of sums
*****
Announcement
No it seems to be correct.
2021-02-24 19:01:52
Problem B. Krosh and xor of sums
*****
Announcement
Maybe again my bad with english statement one moment
2021-02-24 18:40:09
Problem C. Find the order
*****
Announcement
Problem statement in English was fixed, formula is correct, note was wrong, now it is correct. Sorry
2021-02-24 18:28:08
Problem G. Krosh and count arrays problem 2
*****
Announcement
Notice that there are no modulo