A Math Problem

Revision en2, by deadshot1928, 2022-08-13 21:11:10

A number having all digits even is called a lucky number. Example 244, 566...

Find Kth lucky number(1st lucky number is 0).

Constraint 1<=k<=10^12

Tags math, implementations

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en2 English deadshot1928 2022-08-13 21:11:10 3 Tiny change: '<=k<=10^12' -> '<=k<=10^12\n' (published)
en1 English deadshot1928 2022-08-13 21:09:29 168 Initial revision (saved to drafts)