Problems
 
 
# Name    
A
standard input/output
1 s, 256 MB
Submit  x8432
B
standard input/output
1 s, 256 MB
Submit  x12240
C
standard input/output
1 s, 256 MB
Submit  x3954
D
standard input/output
4 s, 256 MB
Submit  x1896
E
standard input/output
2 s, 256 MB
Submit  x2335
F
standard input/output
1 s, 256 MB
Submit  x3430
G
standard input/output
3.5 s, 256 MB
Submit  x1295
H
standard input/output
4 s, 512 MB
Submit  x529
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2018-04-07 19:32:00
Announcement
Problem A. Check the string
*****
> It is also possible that the number of letters 'c' equals to both the number of letters 'a' and the number of letters 'b'. It means count("c") = count("a") = count("b"), not count("c") = count("a") + count("b").
2018-04-07 19:19:05
Announcement
Problem A. Check the string
*****
The initial string (consisting of 'a') can't be empty.