Problems
 
 
# Name    
A
standard input/output
2 s, 256 MB
Submit  x255
B
standard input/output
4 s, 256 MB
Submit  x163
C
standard input/output
5 s, 256 MB
Submit  
D
standard input/output
6 s, 256 MB
Submit  x182
E
standard input/output
2 s, 256 MB
Submit  x44
F
standard input/output
15 s, 256 MB
Submit  x54
G
standard input/output
2 s, 256 MB
Submit  x20
H
standard input/output
2 s, 256 MB
Submit  x110
I
standard input/output
2 s, 256 MB
Submit  x215
J
standard input/output
5 s, 256 MB
Submit  x12
K
standard input/output
2 s, 256 MB
Submit  x173
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2014-12-14 10:07:27
Problem K. Known Notation
*****
Announcement
A single number like "123" is also a valid RPN.
2014-12-14 10:06:05
Problem H. Hierarchical Notation
*****
Announcement
There is no space or blank line in the input data. The keys in the input data are sorted in alphabetic order. Your output data should also be sorted in this way.