Help in solution approach
Difference between en1 and en2, changed 2 character(s)
Can anybody please help me with this problem. I am not able to understand editorial also. Any other solution approaches are also welcomed. Thanks↵

Problem link: [problem 4
0220C](https://codeforces.net/problemset/problem//420/C)

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en2 English Dr_John_WATSON 2022-06-29 17:21:02 2 Tiny change: '[problem 402C](https:/' -> '[problem 420C](https:/'
en1 English Dr_John_WATSON 2022-06-29 17:20:21 252 Initial revision (published)