Fix formatting to ### Trees

translations/README-bg.md

@@ -666,71 +666,65 @@ pобхождам графи. Ако трябваше да напиша сорт
     - dequeue: O(1) (свъзран списък и масив)
     - empty: O(1) (свъзран списък и масив)
 
--   ### Хеш таблици
-
-    -   [ ] Клипове:
-
-        -   [ ] [Hashing with Chaining (клип)](https://www.youtube.com/watch?v=0M_kIqhwbFo&list=PLUl4u3cNGP61Oq3tWYp6V_F-5jb5L2iHb&index=8)
-        -   [ ] [Table Doubling, Karp-Rabin (клип)](https://www.youtube.com/watch?v=BRO7mVIFt08&index=9&list=PLUl4u3cNGP61Oq3tWYp6V_F-5jb5L2iHb)
-        -   [ ] [Open Addressing, Cryptographic Hashing (клип)](https://www.youtube.com/watch?v=rvdJDijO2Ro&index=10&list=PLUl4u3cNGP61Oq3tWYp6V_F-5jb5L2iHb)
-        -   [ ] [PyCon 2010: The Mighty Dictionary (клип)](https://www.youtube.com/watch?v=C4Kc8xzcA68)
-        -   [ ] [PyCon 2017: The Dictionary Even Mightier (клип)](https://www.youtube.com/watch?v=66P5FMkWoVU)
-        -   [ ] [(Advanced) Randomization: Universal & Perfect Hashing (клип)](https://www.youtube.com/watch?v=z0lJ2k0sl1g&list=PLUl4u3cNGP6317WaSNfmCvGym2ucw3oGp&index=11)
-        -   [ ] [(За напреднали) Perfect hashing (клип)](https://www.youtube.com/watch?v=N0COwN14gt0&list=PL2B4EEwhKD-NbwZ4ezj7gyc_3yNrojKM9&index=4)
-        -   [ ] [[Review] Hash tables in 4 minutes (video)](https://youtu.be/knV86FlSXJ8)
-
-    -   [ ] Онлайн курсовe:
-
-        -   [ ] [Core Hash Tables (клип)](https://www.coursera.org/lecture/data-structures-optimizing-performance/core-hash-tables-m7UuP)
-        -   [ ] [Data Structures (клип)](https://www.coursera.org/learn/data-structures/home/week/4)
-        -   [ ] [Phone Book Problem (клип)](https://www.coursera.org/lecture/data-structures/phone-book-problem-NYZZP)
-        -   [ ] Дистрибутирани хеш таблици:
-            -   [Instant Uploads And Storage Optimization In Dropbox (клип)](https://www.coursera.org/lecture/data-structures/instant-uploads-and-storage-optimization-in-dropbox-DvaIb)
-            -   [Distributed Hash Tables (клип)](https://www.coursera.org/lecture/data-structures/distributed-hash-tables-tvH8H)
-
-    -   [ ] Имплементирайте с масив, ползвайки linear probing
-        -   hash(k, m) - m е размера на хеш таблицата
-        -   add(key, value) - ако ключа съществува актуализирайте стойността
-        -   exists(key)
-        -   get(key)
-        -   remove(key)
+- ### Хеш таблици
+  - [ ] Клипове:
+    - [ ] [Hashing with Chaining (клип)](https://www.youtube.com/watch?v=0M_kIqhwbFo&list=PLUl4u3cNGP61Oq3tWYp6V_F-5jb5L2iHb&index=8)
+    - [ ] [Table Doubling, Karp-Rabin (клип)](https://www.youtube.com/watch?v=BRO7mVIFt08&index=9&list=PLUl4u3cNGP61Oq3tWYp6V_F-5jb5L2iHb)
+    - [ ] [Open Addressing, Cryptographic Hashing (клип)](https://www.youtube.com/watch?v=rvdJDijO2Ro&index=10&list=PLUl4u3cNGP61Oq3tWYp6V_F-5jb5L2iHb)
+    - [ ] [PyCon 2010: The Mighty Dictionary (клип)](https://www.youtube.com/watch?v=C4Kc8xzcA68)
+    - [ ] [PyCon 2017: The Dictionary Even Mightier (клип)](https://www.youtube.com/watch?v=66P5FMkWoVU)
+      - [ ] [(Advanced) Randomization: Universal & Perfect Hashing (клип)](https://www.youtube.com/watch?v=z0lJ2k0sl1g&list=PLUl4u3cNGP6317WaSNfmCvGym2ucw3oGp&index=11)
+      - [ ] [(За напреднали) Perfect hashing (клип)](https://www.youtube.com/watch?v=N0COwN14gt0&list=PL2B4EEwhKD-NbwZ4ezj7gyc_3yNrojKM9&index=4)
+      - [ ] [[Review] Hash tables in 4 minutes (video)](https://youtu.be/knV86FlSXJ8)
+    - [ ] Онлайн курсовe:
+      - [ ] [Core Hash Tables (клип)](https://www.coursera.org/lecture/data-structures-optimizing-performance/core-hash-tables-m7UuP)
+      - [ ] [Data Structures (клип)](https://www.coursera.org/learn/data-structures/home/week/4)
+      - [ ] [Phone Book Problem (клип)](https://www.coursera.org/lecture/data-structures/phone-book-problem-NYZZP)
+      - [ ] Дистрибутирани хеш таблици:
+        - [Instant Uploads And Storage Optimization In Dropbox (клип)](https://www.coursera.org/lecture/data-structures/instant-uploads-and-storage-optimization-in-dropbox-DvaIb)
+        - [Distributed Hash Tables (клип)](https://www.coursera.org/lecture/data-structures/distributed-hash-tables-tvH8H)
+    - [ ] Имплементирайте с масив, ползвайки linear probing
+      - hash(k, m) - m е размера на хеш таблицата
+      - add(key, value) - ако ключа съществува актуализирайте стойността
+      - exists(key)
+      - get(key)
+      - remove(key)
 
 ## Повече знания
 
--   ### Двоично търсене
-    -   [ ] [Binary Search (клип)](https://www.youtube.com/watch?v=D5SrAga1pno)
-    -   [ ] [Binary Search (клип)](https://www.khanacademy.org/computing/computer-science/algorithms/binary-search/a/binary-search)
-    -   [ ] [детайли](https://www.topcoder.com/community/competitive-programming/tutorials/binary-search/)
-    -   [ ] [[Review] Binary search in 4 minutes (video)](https://youtu.be/fDKIpRe8GW4)
-    -   [ ] Имплементирайте:
-        -   двоично търсене (на сортиран масив от integers)
-        -   двоично търсене чрез рекурсия
--   ### Побитови операции
-    -   [ ] [Bits cheat sheet](https://github.com/jwasham/coding-interview-university/blob/main/extras/cheat%20sheets/bits-cheat-sheet.pdf) - трябва да знаете доста от степените на 2 от (2^1 до 2^16 и 2^32)
-    -   [ ] Бъдете сигурни, че разбирате добре битовата манипулация: &, |, ^, ~, >>, <<
-        -   [ ] [думи](<https://en.wikipedia.org/wiki/Word_(computer_architecture)>)
-        -   [ ] Добро въведение:
-                [Bit Manipulation (клип)](https://www.youtube.com/watch?v=7jkIUgLC29I)
-        -   [ ] [C Programming Tutorial 2-10: Bitwise Operators (клип)](https://www.youtube.com/watch?v=d0AwjSpNXR0)
-        -   [ ] [Bit Manipulation](https://en.wikipedia.org/wiki/Bit_manipulation)
-        -   [ ] [Bitwise Operation](https://en.wikipedia.org/wiki/Bitwise_operation)
-        -   [ ] [Bithacks](https://graphics.stanford.edu/~seander/bithacks.html)
-        -   [ ] [The Bit Twiddler](https://bits.stephan-brumme.com/)
-        -   [ ] [The Bit Twiddler Interactive](https://bits.stephan-brumme.com/interactive.html)
-        -   [ ] [Bit Hacks (клип)](https://www.youtube.com/watch?v=ZusiKXcz_ac)
-        -   [ ] [Practice Operations](https://pconrad.github.io/old_pconrad_cs16/topics/bitOps/)
-    -   [ ] 2s and 1s complement
-        -   [Binary: Plusses & Minuses (Why We Use Two's Complement) (клип)](https://www.youtube.com/watch?v=lKTsv6iVxV4)
-        -   [1s Complement](https://en.wikipedia.org/wiki/Ones%27_complement)
-        -   [2s Complement](https://en.wikipedia.org/wiki/Two%27s_complement)
-    -   [ ] Преброяване на набор от битове
-        -   [4 ways to count bits in a byte (клип)](https://youtu.be/Hzuzo9NJrlc)
-        -   [Count Bits](https://graphics.stanford.edu/~seander/bithacks.html#CountBitsSetKernighan)
-        -   [How To Count The Number Of Set Bits In a 32 Bit Integer](http://stackoverflow.com/questions/109023/how-to-count-the-number-of-set-bits-in-a-32-bit-integer)
-    -   [ ] Размяна на стойности:
-        -   [Swap](https://bits.stephan-brumme.com/swap.html)
-    -   [ ] Абсолютна стойност:
-        -   [Absolute Integer](https://bits.stephan-brumme.com/absInteger.html)
+- ### Двоично търсене
+  - [ ] [Binary Search (клип)](https://www.youtube.com/watch?v=D5SrAga1pno)
+  - [ ] [Binary Search (клип)](https://www.khanacademy.org/computing/computer-science/algorithms/binary-search/a/binary-search)
+  - [ ] [детайли](https://www.topcoder.com/community/competitive-programming/tutorials/binary-search/)
+  - [ ] [[Review] Binary search in 4 minutes (video)](https://youtu.be/fDKIpRe8GW4)
+  - [ ] Имплементирайте:
+    - двоично търсене (на сортиран масив от integers)
+    - двоично търсене чрез рекурсия
+- ### Побитови операции
+  - [ ] [Bits cheat sheet](https://github.com/jwasham/coding-interview-university/blob/main/extras/cheat%20sheets/bits-cheat-sheet.pdf) - трябва да знаете доста от степените на 2 от (2^1 до 2^16 и 2^32)
+  - [ ] Бъдете сигурни, че разбирате добре битовата манипулация: &, |, ^, ~, >>, <<
+    - [ ] [думи](<https://en.wikipedia.org/wiki/Word_(computer_architecture)>)
+    - [ ] Добро въведение: [Bit Manipulation (клип)](https://www.youtube.com/watch?v=7jkIUgLC29I)
+    - [ ] [C Programming Tutorial 2-10: Bitwise Operators (клип)](https://www.youtube.com/watch?v=d0AwjSpNXR0)
+    - [ ] [Bit Manipulation](https://en.wikipedia.org/wiki/Bit_manipulation)
+    - [ ] [Bitwise Operation](https://en.wikipedia.org/wiki/Bitwise_operation)
+    - [ ] [Bithacks](https://graphics.stanford.edu/~seander/bithacks.html)
+    - [ ] [The Bit Twiddler](https://bits.stephan-brumme.com/)
+    - [ ] [The Bit Twiddler Interactive](https://bits.stephan-brumme.com/interactive.html)
+    - [ ] [Bit Hacks (клип)](https://www.youtube.com/watch?v=ZusiKXcz_ac)
+    - [ ] [Practice Operations](https://pconrad.github.io/old_pconrad_cs16/topics/bitOps/)
+  - [ ] 2s and 1s complement
+    - [Binary: Plusses & Minuses (Why We Use Two's Complement) (клип)](https://www.youtube.com/watch?v=lKTsv6iVxV4)
+    - [1s Complement](https://en.wikipedia.org/wiki/Ones%27_complement)
+    - [2s Complement](https://en.wikipedia.org/wiki/Two%27s_complement)
+  - [ ] Преброяване на набор от битове
+    - [4 ways to count bits in a byte (клип)](https://youtu.be/Hzuzo9NJrlc)
+    - [Count Bits](https://graphics.stanford.edu/~seander/bithacks.html#CountBitsSetKernighan)
+    - [How To Count The Number Of Set Bits In a 32 Bit Integer](http://stackoverflow.com/questions/109023/how-to-count-the-number-of-set-bits-in-a-32-bit-integer)
+  - [ ] Размяна на стойности:
+    - [Swap](https://bits.stephan-brumme.com/swap.html)
+  - [ ] Абсолютна стойност:
+    - [Absolute Integer](https://bits.stephan-brumme.com/absInteger.html)
 
 ## Дървета