Problems
 
 
# Name    
A
standard input/output
1 s, 256 MB
Submit  x16786
B
standard input/output
1 s, 256 MB
Submit  x11645
C
standard input/output
1 s, 256 MB
Submit  x14029
D
standard input/output
1 s, 256 MB
Submit  x15873
E
standard input/output
1 s, 256 MB
Submit  x3074
F
standard input/output
3 s, 256 MB
Submit  x980
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2019-11-29 18:11:04
Announcement
Problem E. Editor
*****
Gaps (spaces) are allowed. For example, "( a)" is a correct text.
2019-11-29 17:51:17
Announcement
Problem B. PIN Codes
*****
If there are several optimal answers, print any of them.