Problems
 
 
# Name    
A
standard input/output
2 s, 256 MB
Submit  x177665
B
standard input/output
2 s, 256 MB
Submit  x14029
C
standard input/output
2 s, 256 MB
Submit  x3032
D
standard input/output
2 s, 512 MB
Submit  x14003
E
standard input/output
2 s, 256 MB
Submit  x653
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