mirrors/coding-interview-university
mirrors
/
coding-interview-university
mirror of https://github.com/jwasham/coding-interview-university.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Combined heap, priority queue, binary heap.

This commit is contained in:
John Washam 2016-07-06 21:39:21 -07:00
parent 6fd9d40f39
commit 4af27d5e49
1 changed files with 48 additions and 39 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

87
README.md
View File

@ -420,7 +420,25 @@ Then test it out on a computer to make sure it's not buggy from syntax.
- [x] delete_value
- [x] get_successor // returns next-highest value in tree after given value, -1 if none
- [x] **Balanced binary trees**
- [ ] **Heap / Priority Queue / Binary Heap:**
- visualized as a tree, but is usually linear in storage (array, linked list)
- [ ] https://en.wikipedia.org/wiki/Heap_(data_structure)
- [x] https://www.coursera.org/learn/data-structures/lecture/2OpTs/introduction
- [x] https://www.coursera.org/learn/data-structures/lecture/z3l9N/naive-implementations
- [x] https://www.coursera.org/learn/data-structures/lecture/GRV2q/binary-trees
- [x] https://www.coursera.org/learn/data-structures/supplement/S5xxz/tree-height-remark
- [x] https://www.coursera.org/learn/data-structures/lecture/GRV2q/binary-trees
- [ ] https://www.coursera.org/learn/data-structures/lecture/0g1dl/basic-operations
- [ ] https://www.coursera.org/learn/data-structures/lecture/gl5Ni/complete-binary-trees
- [ ] https://www.coursera.org/learn/data-structures/lecture/HxQo9/pseudocode
- [ ] https://class.coursera.org/algs4partI-010/lecture
- [ ] https://class.coursera.org/algs4partI-010/lecture/39
- [ ] https://en.wikipedia.org/wiki/Priority_queue
- [ ] https://www.youtube.com/watch?v=ute-pmMkyuk&index=7&list=PLOtl7M3yp-DV69F32zdK7YJcNXpTunF2b
- [ ] https://www.youtube.com/watch?v=yIUFT6AKBGE&index=24&list=PL4BBB74C7D2A1049C
- [ ] https://en.wikipedia.org/wiki/Fibonacci_heap
- [ ] **Balanced binary trees**
- Know least one type of balanced binary tree (and know how it's implemented):
- [x] **AVL trees**
@ -430,21 +448,21 @@ Then test it out on a computer to make sure it's not buggy from syntax.
- [x] https://www.coursera.org/learn/data-structures/lecture/22BgE/split-and-merge
- [ ] **splay trees**
- https://www.coursera.org/learn/data-structures/lecture/O9nZ6/splay-trees
- UCB: https://www.youtube.com/watch?v=G5QIXywcJlY
- https://www.youtube.com/watch?v=QnPl_Y6EqMo
- [ ] https://www.coursera.org/learn/data-structures/lecture/O9nZ6/splay-trees
- [ ] UCB: https://www.youtube.com/watch?v=G5QIXywcJlY
- [ ] https://www.youtube.com/watch?v=QnPl_Y6EqMo
- [ ] **red/black trees**
- https://class.coursera.org/algs4partI-010/lecture/50
- [ ] https://class.coursera.org/algs4partI-010/lecture/50
- [ ] **B-Trees**
- fun fact: B could stand for Boeing, Balanced, or Bayer (co-inventor)
- https://en.wikipedia.org/wiki/B-tree
- https://class.coursera.org/algs4partI-010/lecture/51
- [ ] https://en.wikipedia.org/wiki/B-tree
- [ ] https://class.coursera.org/algs4partI-010/lecture/51
- [ ] **2-3 search trees**
- 2-3 and B-trees: https://class.coursera.org/algs4partI-010/lecture/49
- https://www.youtube.com/watch?v=TOb1tuEZ2X4&index=5&list=PLUl4u3cNGP6317WaSNfmCvGym2ucw3oGp
- [ ] 2-3 and B-trees: https://class.coursera.org/algs4partI-010/lecture/49
- [ ] https://www.youtube.com/watch?v=TOb1tuEZ2X4&index=5&list=PLUl4u3cNGP6317WaSNfmCvGym2ucw3oGp
- [ ] **N-ary trees**
- https://en.wikipedia.org/wiki/K-ary_tree
@ -454,35 +472,15 @@ Then test it out on a computer to make sure it's not buggy from syntax.
- https://www.coursera.org/learn/data-structures-optimizing-performance/lecture/PvlZW/core-performance-of-tries
- https://www.coursera.org/learn/data-structures-optimizing-performance/lecture/DFvd3/core-implementing-a-trie
- [ ] **Heap (data structure):**
- https://en.wikipedia.org/wiki/Heap_(data_structure)
- https://www.coursera.org/learn/data-structures/lecture/2OpTs/introduction
- https://www.coursera.org/learn/data-structures/lecture/z3l9N/naive-implementations
- https://www.coursera.org/learn/data-structures/lecture/GRV2q/binary-trees
- https://www.coursera.org/learn/data-structures/supplement/S5xxz/tree-height-remark
- https://www.coursera.org/learn/data-structures/lecture/0g1dl/basic-operations
- https://www.coursera.org/learn/data-structures/lecture/gl5Ni/complete-binary-trees
- https://www.coursera.org/learn/data-structures/lecture/HxQo9/pseudocode
- see: https://class.coursera.org/algs4partI-010/lecture
- https://class.coursera.org/algs4partI-010/lecture/39
- [ ] **Binary Heap:**
Min Heap / Max Heap
- [ ] **Disjoint Sets:**
- UCB: https://www.youtube.com/watch?v=wSPAjGfDl7Q&list=PL4BBB74C7D2A1049C&index=31
- https://www.coursera.org/learn/data-structures/lecture/JssSY/overview
- https://www.coursera.org/learn/data-structures/lecture/EM5D0/naive-implementations
- https://www.coursera.org/learn/data-structures/lecture/Mxu0w/trees
- https://www.coursera.org/learn/data-structures/lecture/qb4c2/union-by-rank
- https://www.coursera.org/learn/data-structures/lecture/Q9CVI/path-compression
- https://www.coursera.org/learn/data-structures/lecture/GQQLN/analysis-optional
- [ ] **Priority Queue**
- Notes:
- visualized as a tree, but is usually linear in storage (array, linked list)
- https://en.wikipedia.org/wiki/Priority_queue
- https://www.youtube.com/watch?v=yIUFT6AKBGE&index=24&list=PL4BBB74C7D2A1049C
- [ ] https://en.wikipedia.org/wiki/Disjoint-set_data_structure
- [ ] UCB: https://www.youtube.com/watch?v=wSPAjGfDl7Q&list=PL4BBB74C7D2A1049C&index=31
- [ ] https://www.coursera.org/learn/data-structures/lecture/JssSY/overview
- [ ] https://www.coursera.org/learn/data-structures/lecture/EM5D0/naive-implementations
- [ ] https://www.coursera.org/learn/data-structures/lecture/Mxu0w/trees
- [ ] https://www.coursera.org/learn/data-structures/lecture/qb4c2/union-by-rank
- [ ] https://www.coursera.org/learn/data-structures/lecture/Q9CVI/path-compression
- [ ] https://www.coursera.org/learn/data-structures/lecture/GQQLN/analysis-optional
## Graphs
@ -504,6 +502,7 @@ Then test it out on a computer to make sure it's not buggy from syntax.
- Graphs:
- https://www.youtube.com/watch?v=ylWAB6CMYiY&list=PL4BBB74C7D2A1049C&index=27
- https://www.youtube.com/watch?v=OiXxhDrFruw&index=11&list=PLOtl7M3yp-DV69F32zdK7YJcNXpTunF2b
- Weighted graphs:
- https://www.youtube.com/watch?v=zFbq8vOZ_0k&list=PL4BBB74C7D2A1049C&index=28
@ -532,6 +531,9 @@ You'll get more graph practice in Skiena's book (see Books section below) and th
- [ ] Which on arrays? Which on both?
- [ ] Is Quicksort stable?
- [ ] https://www.youtube.com/watch?v=yLvp-pB8mak&index=8&list=PLOtl7M3yp-DV69F32zdK7YJcNXpTunF2b
- [ ] https://www.youtube.com/watch?v=q7K9otnzlfE&index=9&list=PLOtl7M3yp-DV69F32zdK7YJcNXpTunF2b
- [ ] Implement:
- [ ] Mergesort
- [ ] Quicksort
@ -664,9 +666,11 @@ You'll get more graph practice in Skiena's book (see Books section below) and th
#### Mentioned in Google Coaching:
**Read and do exercises:**
- [ ] The Algorithm Design Manual (Skiena)
- Book (can rent on kindle):
- http://www.amazon.com/Algorithm-Design-Manual-Steven-Skiena/dp/1849967202
- Half.com is a great resource for textbooks at good prices.
- Answers:
- http://www.algorithm.cs.sunysb.edu/algowiki/index.php/The_Algorithms_Design_Manual_(Second_Edition)
@ -674,8 +678,8 @@ You'll get more graph practice in Skiena's book (see Books section below) and th
http://www.amazon.com/Algorithms-Programming-Solutions-Alexander-Shen/dp/0817638474
Once you've understood everything in the daily plan, read and do exercises from
the books below. Then move to coding challenges (further down below)
Once you've understood everything in the daily plan, and read and done exercises from the the books above,
read and do exercises from the books below. Then move to coding challenges (further down below)
**Read first:**
@ -692,8 +696,12 @@ You'll get more graph practice in Skiena's book (see Books section below) and th
- [x] C++ Primer Plus, 6th Edition
- [ ] The Unix Programming Environment
- http://product.half.ebay.com/The-UNIX-Programming-Environment-by-Brian-W-Kernighan-and-Rob-Pike-1983-Other/54385&tg=info
- [ ] Introduction to Algorithms
- https://www.amazon.com/Introduction-Algorithms-3rd-MIT-Press/dp/0262033844
- Half.com is a great resource for textbooks at good prices.
- [ ] Programming Pearls:
- http://www.amazon.com/Programming-Pearls-2nd-Jon-Bentley/dp/0201657880
@ -777,6 +785,7 @@ More:
## Your Resume
- http://steve-yegge.blogspot.co.uk/2007_09_01_archive.html
- Great stuff at the back of Cracking The Coding Interview
## Be thinking of for when the interview comes: