# Important and Useful links from all over the Leetcode

List of all good posts on Leetcode. Comment down whichever I am missing and I will add all of them here –

1. DP for beginners by @wh0ami – https://leetcode.com/discuss/general-discussion/662866/dp-for-beginners-problems-patterns-sample-solutions
[LIST – https://leetcode.com/list/x1k8lxi5]
2. Graph for beginners by @wh0ami – https://leetcode.com/discuss/general-discussion/655708/graph-for-beginners-problems-pattern-sample-solutions/562734
[LIST – https://leetcode.com/list/x1wy4de7]
3. Sliding window for beginners by @wh0ami – https://leetcode.com/discuss/general-discussion/657507/sliding-window-for-beginners-problems-template-sample-solutions/562721
[LIST – https://leetcode.com/list/x1lbzfk3]
4. DP Patterns by @aatalyk – https://leetcode.com/discuss/general-discussion/458695/dynamic-programming-patterns
5. Leetcode patterns from edu_cative_dot_io by @late_riser – https://leetcode.com/discuss/general-discussion/457546/LeetCode-Problem-Patterns-from-***
6. List of questions sorted by common patterns by @Maverick2594 – https://leetcode.com/discuss/career/448285/List-of-questions-sorted-by-common-patterns
7. How to solve DP – String? Template and 4 Steps to be followed by @igooglethings – https://leetcode.com/discuss/general-discussion/651719/how-to-solve-dp-string-template-and-4-steps-to-be-followed
8. Using bit manipulation to solve problems easily and efficiently by @LHearen – https://leetcode.com/problems/sum-of-two-integers/discuss/84278/A-summary%3A-how-to-use-bit-manipulation-to-solve-problems-easily-and-efficiently
9. Recursive approach to segment trees and range sum queries and lazy propagation – https://leetcode.com/articles/a-recursive-approach-to-segment-trees-range-sum-queries-lazy-propagation/
10. How to use Leetcode efficiently and effectively by beginners by @megaspazz – https://leetcode.com/discuss/career/450215/How-to-use-LeetCode-to-help-yourself-efficiently-and-effectively-(for-beginners)
13. Comprehensive Data Structure and Algorithm Study Guide by @xrssa – https://leetcode.com/discuss/general-discussion/494279/comprehensive-data-structure-and-algorithm-study-guide
14. Backtracking Summary and general template to solve many problems by @dichen001 – https://leetcode.com/problems/permutations/discuss/18284/Backtrack-Summary:-General-Solution-for-10-Questions
15. How to approach DP problems by @heroes3001 – https://leetcode.com/problems/house-robber/discuss/156523/From-good-to-great.-How-to-approach-most-of-DP-problems
16. A general approach to backtracking questions by @issac3 – https://leetcode.com/problems/permutations/discuss/18239/A-general-approach-to-backtracking-questions-in-Java-(Subsets-Permutations-Combination-Sum-Palindrome-Partioning)
17. Top 75 Leetcode questions for interview preparation curated by Blind – https://leetcode.com/list/xi4ci4ig/
18. Topic wise problems for beginners by @yashrsharma44 – https://leetcode.com/discuss/career/448024/Topic-wise-problems-for-Beginners
19. Sliding Window algorithm template to solve all the Leetcode substring search problem by @chaoyanghe – https://leetcode.com/problems/find-all-anagrams-in-a-string/discuss/92007/sliding-window-algorithm-template-to-solve-all-the-leetcode-substring-search-problem
20. Greedy for beginners by @wh0ami – https://leetcode.com/discuss/general-discussion/669996/greedy-for-beginners-problems-sample-solutions. [LIST – https://leetcode.com/list/xyehq5j6]