Rating changes for last rounds are temporarily rolled back. They will be returned soon. ×

Direct i question help
Difference between en1 and en2, changed 71 character(s)
Problem [link](https://imgur.com/rrRWlgDdrive.google.com/file/d/1ymcTsZsZOyyb5SQrWXbqWEbNKWNeTTtj/view?usp=sharing)↵

I could not think of any approach but just am getting an intuition of using DSU in reverse or querying offline but I can't think of anything.↵
Someone please help.↵

I just need an approach not complete code.:)

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en2 English aman_naughty 2019-10-15 08:48:42 71
en1 English aman_naughty 2019-10-15 08:45:18 278 Initial revision (published)