Dp(45 problems):
https://leetcode.com/list/9x5spweh
Greedy(34 problems):
https://leetcode.com/list/925p7hr1
Graphs(32 problems):
https://leetcode.com/list/9x1uea1h
Backtracking(17 problems):
https://leetcode.com/list/9x9qz3md
Linkedlist(13 problems):
https://leetcode.com/list/9rizphpj/
Bitmanipulation list(21 problems):
https://leetcode.com/list/92qvw6c6
Hash table and map(46 problems):
https://leetcode.com/list/504wrexe/
Dsu or union find list(25 problems):
https://leetcode.com/list/5lhmb4mj/
Bridges and Articulation points(4 problems):
https://leetcode.com/list/9id9ahz7
Djikstra Algorithm(13 problems):
https://leetcode.com/list/9id5lube
Bellman Ford Algorithm(5 problems):
https://leetcode.com/list/9id9smj2
Floyd Warshall Algorithm(6 problems):
https://leetcode.com/list/9idenloe
Topological sort(4 problems):
https://leetcode.com/list/9idxg95s
Sliding window(12 problems):
https://leetcode.com/list/x1lbzfk3/
Trie(8 problems):
https://leetcode.com/list/5uyupjcr/
Monotonic queue and priority queue(13 problems):
https://leetcode.com/list/9rt1jt27/
Heaps(22 problems):
https://leetcode.com/list/93chilpi
Trees(Top 26):
https://leetcode.com/list/9ak7i9wv/
Trees(Top 74):
https://leetcode.com/list/5chyqxsi/
Binary search(25 problems):
https://leetcode.com/list/9ixr4vaj
2pointers(30 problems):
https://leetcode.com/list/9ns2k47r/
Must do easy questions:
https://leetcode.com/list/9x5k9q47
Must do medium questions:
https://leetcode.com/list/9x5k2fiv
60 questions to solve:
https://leetcode.com/list/9xpbvcmc
Blind curated 75:
https://leetcode.com/list/9hite3ug
Some of the dp,greedy,strings,arrays,trees taken from seanprasad leetcode patterns,interview bit:
Easy and mediums(45 questions):
https://leetcode.com/list/9de5c5o5
Hards(20 questions ):
https://leetcode.com/list/9de9px6d
Some of the hard questions taken from daily leetcode coding challenge(20 questions):
https://leetcode.com/list/9n9nn3z7
List of questions sorted by common patterns:
https://leetcode.com/discuss/study-guide/448285/List-of-questions-sorted-by-common-patterns.
Data structures and Algorithms resources:
https://leetcode.com/discuss/study-guide/494279/Comprehensive-Data-Structure-and-Algorithm-Study-Guide
https://leetcode.com/discuss/study-guide/623011/A-guide-for-dummies-(like-me)
Interview Preparation guide:
https://leetcode.com/discuss/study-guide/1098600/TOPICS-WHICH-YOU-CAN'T-SKIP-INTERVIEW-PREPARATION-or-STUDY-PLAN-USING-LEETCODE
https://leetcode.com/discuss/study-guide/698684/Interview-Preparation-for-Beginners-DS-or-Algorithms-or-OS-or-System-Design
Binary search:
https://leetcode.com/problems/binary-search/discuss/423162/Binary-Search-101-The-Ultimate-Binary-Search-Handbook
https://leetcode.com/problems/koko-eating-bananas/discuss/769702/Python-Clear-explanation-Powerful-Ultimate-Binary-Search-Template.-Solved-many-problems.
https://leetcode.com/problems/koko-eating-bananas/discuss/152324/JavaC%2B%2BPython-Binary-Search
https://leetcode.com/discuss/study-guide/691825/Binary-Search-for-Beginners-Problems-or-Patterns-or-Sample-solutions
https://leetcode.com/discuss/study-guide/1322500/5-variations-of-Binary-search-(A-Self-Note)
Dynamic Programming:
https://leetcode.com/discuss/study-guide/458695/Dynamic-Programming-Patterns
https://leetcode.com/discuss/study-guide/662866/DP-for-Beginners-Problems-or-Patterns-or-Sample-Solutions
https://leetcode.com/discuss/study-guide/1050391/Must-do-Dynamic-programming-Problems-Category-wise
https://leetcode.com/discuss/study-guide/1000929/Solved-all-dynamic-programming-(dp)-problems-in-7-months.
https://leetcode.com/discuss/study-guide/491522/Dynamic-Programming-Questions-Thread
https://leetcode.com/discuss/study-guide/1437879/Dynamic-Programming-Patterns
Dp string:
https://leetcode.com/discuss/study-guide/651719/How-to-solve-DP-String-Template-and-4-Steps-to-be-followed.
Graphs:
https://leetcode.com/discuss/study-guide/655708/Graph-For-Beginners-Problems-or-Pattern-or-Sample-Solutions
https://leetcode.com/discuss/interview-question/753236/List-of-graph-algorithms-for-coding-interview
https://leetcode.com/discuss/study-guide/969327/Graph-Algorithms-One-Place-or-Dijkstra-or-Bellman-Ford-or-Floyd-Warshall-or-Prims-or-Kruskals-or-DSU
https://leetcode.com/discuss/general-discussion/971272/Python-Graph-Algorithms-One-Place-for-quick-revision
https://leetcode.com/discuss/interview-question/1808711/graph-for-beginers-problems
Djikstra Algorithm:
https://leetcode.com/discuss/study-guide/1059477/A-guide-to-Dijkstra's-Algorithm
https://leetcode.com/problems/path-with-minimum-effort/discuss/909002/JavaPython-3-3-codes%3A-Binary-Search-Bellman-Ford-and-Dijkstra-w-brief-explanation-and-analysis.
Trees:
https://leetcode.com/discuss/study-guide/1337373/Tree-question-pattern-oror2021-placement
https://leetcode.com/discuss/study-guide/937307/Iterative-or-Recursive-or-DFS-and-BFS-Tree-Traversal-or-In-Pre-Post-and-LevelOrder-or-Views
https://leetcode.com/discuss/study-guide/1212004/Binary-Trees-study-guide
Sorting:
https://leetcode.com/discuss/study-guide/1091763/Must-do-all-required-Sorting-Algorithms%3A-Complete-Guide
Bit manipulation:
https://leetcode.com/discuss/study-guide/1151183/TIPS-or-HACKS-WHICH-YOU-CAN'T-IGNORE-AS-A-CODER
Sliding window:
https://leetcode.com/discuss/study-guide/657507/Sliding-Window-for-Beginners-Problems-or-Template-or-Sample-Solutions
https://leetcode.com/problems/minimum-window-substring/discuss/26808/Here-is-a-10-line-template-that-can-solve-most-'substring'-problems
Strings:
https://leetcode.com/discuss/study-guide/1333049/Collections-of-string-questions-pattern-for-upcoming-placement-2021
Greedy:
https://leetcode.com/discuss/study-guide/669996/Greedy-for-Beginners-Problems-or-Sample-solutions
Heaps:
https://leetcode.com/discuss/general-discussion/1127238/master-heap-by-solving-23-questions-in-4-patterns-category
https://leetcode.com/discuss/general-discussion/1113631/important-concepts-problems-in-priority-queueheaps
https://leetcode.com/problems/merge-k-sorted-lists/discuss/10527/Difference-between-Priority-Queue-and-Heap-and-C%2B%2B-implementation
2 pointers:
https://leetcode.com/discuss/study-guide/1688903/Solved-all-two-pointers-problems-in-100-days.
C++ Stl:
https://leetcode.com/discuss/study-guide/1154632/C%2B%2B-STL-powerful-guide-or-Compiled-list-of-popular-STL-operations
https://leetcode.com/discuss/study-guide/1359115/All-C%2B%2B-STL-internal-implementation-oror-last_minute_notes-oror-2021
Stacks:
https://leetcode.com/problems/minimum-cost-tree-from-leaf-values/discuss/339959/One-Pass-O(N)-Time-and-Space
Hash-table and map:
https://leetcode.com/discuss/study-guide/1068545/HASH-TABLE-and-MAP-POWERFUL-GUIDE-!!!
Amazon leadership principles:
https://leetcode.com/discuss/study-guide/1149636/Amazon-LPs-Compiled
Some of the lists will be updated soon and also will be adding the posts where these lists came from soon.Any suggestions on adding new lists or adding new questions to lists will be noted and appreciated.