simp_pro's blog

By simp_pro, history, 22 months ago, In English

Problem link: https://codeforces.com/problemset/problem/1478/C

In the editorial its given that di exist twice. The proof is given for the existence of pair. Why can't there be 4 values of same di?

  • Vote: I like it
  • -3
  • Vote: I do not like it

| Write comment?