Spanning Tree Problem
Difference between en1 and en2, changed 21 character(s)
Can anyone explain the solution to this question to me?↵
http://acm.hdu.edu.cn/showproblem.php?pid=4253

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en2 English hereicomewf 2015-08-16 19:17:31 21
en1 English hereicomewf 2015-08-16 18:43:26 108 Initial revision (published)