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Editorial for Codeforces Round #798 (Div. 2)

Revision en27, by n0sk1ll, 2022-06-11 11:22:41

1689A - Lex String

Author: wxhtzdy

Hint
Solution
C++ Code

1689B - Mystic Permutation

Author: n0sk1ll

Hint 1
Hint 2
Solution
C++ Code (Main solution)
C++ Code (O(n) solution)

Riblji_Keksic found the O(n) solution.

1689C - Infected Tree

Author: n0sk1ll

Hint 1
Hint 2
Solution
C++ Code

1689D - Lena and Matrix

Author: n0sk1ll

Hint
Solution
C++ Code

1689E - ANDfinity

Author: wxhtzdy

Stupid Hint
Hint 1
Hint 2
Hint 3
Solution
C++ Code

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en27 English n0sk1ll 2022-06-11 11:22:41 204 Tiny change: 'distinct) squares w' -> 'distinct) black squares w'
en26 English n0sk1ll 2022-06-10 21:49:30 44
en25 English n0sk1ll 2022-06-10 21:40:29 0 (published)
en24 English n0sk1ll 2022-06-09 19:41:50 11 Tiny change: 'o choices ~--- save the ' -> 'o choices $~---$ save the '
en23 English n0sk1ll 2022-06-09 19:38:09 6 Tiny change: 'n will be ``active`` in at mos' -> 'n will be "active" in at mos'
en22 English n0sk1ll 2022-06-09 19:37:24 335
en21 English n0sk1ll 2022-06-09 19:25:29 4 Tiny change: 'q_{n}) = (a,b)$. If $(a' -> 'q_{n}) = (b,a)$. If $(a'
en20 English n0sk1ll 2022-06-09 19:23:42 301
en19 English n0sk1ll 2022-06-09 19:18:31 96
en18 English n0sk1ll 2022-06-09 19:13:11 132
en17 English n0sk1ll 2022-06-09 19:11:40 12 Tiny change: 'ts from that string. Denote $' -> 'ts from the string we chose. Denote $'
en16 English n0sk1ll 2022-06-09 19:09:52 17
en15 English n0sk1ll 2022-06-03 13:52:20 5
en14 English n0sk1ll 2022-06-03 13:49:55 42
en13 English n0sk1ll 2022-06-03 13:46:58 4177 Tiny change: 'ed to $O(n\cdot logn)$.\n</sp' -> 'ed to $O(n log n)$.\n</sp'
en12 English n0sk1ll 2022-06-03 12:50:28 4
en11 English n0sk1ll 2022-06-03 12:47:58 1832
en10 English n0sk1ll 2022-06-03 11:57:40 102
en9 English n0sk1ll 2022-06-03 11:54:16 50
en8 English n0sk1ll 2022-06-03 11:52:47 1972
en7 English n0sk1ll 2022-06-03 11:39:44 611
en6 English n0sk1ll 2022-06-02 23:14:32 1434
en5 English n0sk1ll 2022-06-02 22:54:30 6
en4 English n0sk1ll 2022-06-02 22:53:37 76
en3 English n0sk1ll 2022-06-02 22:53:05 38 Tiny change: 'oiler>\n\n<spoil' -> 'oiler>\n\nAuthor: [user:n0sk1ll] \n\n<spoil'
en2 English n0sk1ll 2022-06-02 22:49:44 46
en1 English n0sk1ll 2022-06-02 22:38:37 2362 Initial revision (saved to drafts)