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A collection of LeetCode questions to ace the coding interview! - Created using [LeetHub v2](https://github.com/arunbhardwaj/LeetHub-2.0)

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Leetcode_by_prema

A collection of LeetCode questions to ace the coding interview! - Created using LeetHub v2

LeetCode Topics

Array

0001-two-sum
0004-median-of-two-sorted-arrays
0036-valid-sudoku
0037-sudoku-solver
0039-combination-sum
0040-combination-sum-ii
0049-group-anagrams
0051-n-queens
0055-jump-game
0075-sort-colors
0090-subsets-ii
0108-convert-sorted-array-to-binary-search-tree
0540-single-element-in-a-sorted-array
0882-peak-index-in-a-mountain-array
0948-sort-an-array
2188-minimized-maximum-of-products-distributed-to-any-store
2662-check-knight-tour-configuration

Hash Table

0001-two-sum
0003-longest-substring-without-repeating-characters
0036-valid-sudoku
0037-sudoku-solver
0049-group-anagrams
0141-linked-list-cycle

Database

0176-second-highest-salary
0177-nth-highest-salary
0178-rank-scores
0182-duplicate-emails
0183-customers-who-never-order
0577-employee-bonus
0584-find-customer-referee
0595-big-countries
1258-article-views-i
1908-recyclable-and-low-fat-products

Linked List

0002-add-two-numbers
0141-linked-list-cycle
0206-reverse-linked-list

Math

0002-add-two-numbers
0070-climbing-stairs

Recursion

0002-add-two-numbers
0206-reverse-linked-list

String

0003-longest-substring-without-repeating-characters
0014-longest-common-prefix
0028-find-the-index-of-the-first-occurrence-in-a-string
0032-longest-valid-parentheses
0049-group-anagrams
0058-length-of-last-word
0131-palindrome-partitioning
0151-reverse-words-in-a-string
0443-string-compression
0459-repeated-substring-pattern
1508-longest-happy-prefix

Two Pointers

0028-find-the-index-of-the-first-occurrence-in-a-string
0075-sort-colors
0141-linked-list-cycle
0151-reverse-words-in-a-string
0443-string-compression

String Matching

0028-find-the-index-of-the-first-occurrence-in-a-string
0459-repeated-substring-pattern
1508-longest-happy-prefix

Sliding Window

0003-longest-substring-without-repeating-characters

Trie

0014-longest-common-prefix

Dynamic Programming

0032-longest-valid-parentheses
0055-jump-game
0070-climbing-stairs
0131-palindrome-partitioning

Stack

0032-longest-valid-parentheses

Matrix

0036-valid-sudoku
0037-sudoku-solver
2662-check-knight-tour-configuration

Divide and Conquer

0004-median-of-two-sorted-arrays
0108-convert-sorted-array-to-binary-search-tree
0948-sort-an-array

Tree

0108-convert-sorted-array-to-binary-search-tree
0222-count-complete-tree-nodes

Binary Search Tree

0004-median-of-two-sorted-arrays
0108-convert-sorted-array-to-binary-search-tree
0222-count-complete-tree-nodes
0540-single-element-in-a-sorted-array
0882-peak-index-in-a-mountain-array
2188-minimized-maximum-of-products-distributed-to-any-store

Binary Tree

0108-convert-sorted-array-to-binary-search-tree
0222-count-complete-tree-nodes

Greedy

0055-jump-game
2188-minimized-maximum-of-products-distributed-to-any-store

Sorting

0049-group-anagrams
0075-sort-colors
0948-sort-an-array

Memoization

0070-climbing-stairs

Bit Manipulation

0090-subsets-ii
0222-count-complete-tree-nodes

Rolling Hash

1508-longest-happy-prefix

Hash Function

1508-longest-happy-prefix

Backtracking

0037-sudoku-solver
0039-combination-sum
0040-combination-sum-ii
0051-n-queens
0090-subsets-ii
0131-palindrome-partitioning

Depth-First Search

2662-check-knight-tour-configuration

Breadth-First Search

2662-check-knight-tour-configuration

Simulation

2662-check-knight-tour-configuration

Heap (Priority Queue)

0948-sort-an-array

Merge Sort

0948-sort-an-array

Bucket Sort

0948-sort-an-array

Radix Sort

0948-sort-an-array

Counting Sort

0948-sort-an-array

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A collection of LeetCode questions to ace the coding interview! - Created using [LeetHub v2](https://github.com/arunbhardwaj/LeetHub-2.0)

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