Problems
 
 
# Name    
A
standard input/output
0.7 s, 128 MB
Submit  x34
B
standard input/output
1.5 s, 256 MB
Submit  x14
C
standard input/output
0.5 s, 256 MB
Submit  x14
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2021-11-20 18:44:17
There is a small mistake in the statement of problem A: Any array of length n<=2 is bordered **if and only if a[1]<=a[n]**. This should be fixed soon, sorry for the incovenience.