help for problem at spoj — SPEC_SET ...

Revision en2, by freesoul, 2015-06-07 15:25:35

Can somebdy pls help me about how to approach to this problem. http://www.spoj.com/problems/SPEC_SET/

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en2 English freesoul 2015-06-07 15:25:35 13 Tiny change: 's help me thinking how to ap' -> 's help me about how to ap'
en1 English freesoul 2015-06-07 14:52:17 144 Initial revision (published)