Problems
 
 
# Name    
A
standard input/output
1 s, 64 MB
Submit  x1194
B
standard input/output
5 s, 64 MB
Submit  x696
C
standard input/output
1 s, 64 MB
Submit  x172
Complete problemset
 
 
 
 
Questions about problems
 
 
# Author Problem When Question Answer