Codeforces Round #837 (Div. 2) Editorial

Revision en3, by 4qqqq, 2022-12-21 17:26:58

We apologize for the delay in editorial of the tasks.

A. Hossam and Combinatorics

Idea: _HossamYehia_

Tutorial
Solution(_HossamYehia_)

B. Hossam and Friends

Idea: _HossamYehia_

Tutorial
Solution(_HossamYehia_)

C. Hossam and Trainees

Idea: _HossamYehia_

Tutorial
Solution(_HossamYehia_)

D. Hossam and (sub-)palindromic tree

Idea: 4qqqq

Tutorial
Solution(4qqqq)

E. Hossam and a Letter

Idea: _HossamYehia_

Tutorial
Solution(_HossamYehia_)

F. Hossam and Range Minimum Query

Idea: 4qqqq

Tutorial
Solution(4qqqq, trie)
Solution(Aleks5d, bitset)

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en4 English 4qqqq 2022-12-21 17:33:46 14
en3 English 4qqqq 2022-12-21 17:26:58 2950
en2 English 4qqqq 2022-12-14 13:42:50 2 (published)
en1 English 4qqqq 2022-12-14 13:40:47 19054 Initial revision (saved to drafts)