Problems
 
 
# Name    
1
standard input/output
1 s, 256 MB
Submit  x49
2
standard input/output
1.5 s, 256 MB
Submit  x16
3
standard input/output
4 s, 1024 MB
Submit  x15
4
standard input/output
2 s, 1024 MB
Submit  x4
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer