Problems
 
 
# Name    
A
standard input/output
1 s, 64 MB
Submit  x11156
B
standard input/output
0.5 s, 64 MB
Submit  x3226
C
standard input/output
5 s, 64 MB
Submit  x3204
D
standard input/output
1 s, 64 MB
Submit  x1292
1 The package for this problem was not updated by the problem writer or Codeforces administration after we've upgraded the judging servers. To adjust the time limit constraint, a solution execution time will be multiplied by 2. For example, if your solution works for 400 ms on judging servers, then the value 800 ms will be displayed and used to determine the verdict.
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2010-03-12 16:09:03
Problem B. Before an Exam
*****
if the solution not unique, can I print any one ?

Example:
in the second sample input, is the output may be
YES
0 5
Yes
2010-03-12 16:06:02
Problem C. Registration System
*****
Will prompt be inserted into database?

What is answer for:
3
a
a
a
Yes,
Answer is
OK
a1
a2