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Blind-75 | Neetcode | Striver's A2Z Sheet Problems-Solve

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

LeetCode Topics

Hash Table

0001-two-sum
0003-longest-substring-without-repeating-characters
0013-roman-to-integer
0041-first-missing-positive
0049-group-anagrams
0073-set-matrix-zeroes
0141-linked-list-cycle
0142-linked-list-cycle-ii
0169-majority-element
0205-isomorphic-strings
0208-implement-trie-prefix-tree
0242-valid-anagram
0347-top-k-frequent-elements
0380-insert-delete-getrandom-o1
0990-verifying-an-alien-dictionary

String

0003-longest-substring-without-repeating-characters
0013-roman-to-integer
0020-valid-parentheses
0028-find-the-index-of-the-first-occurrence-in-a-string
0049-group-anagrams
0125-valid-palindrome
0151-reverse-words-in-a-string
0205-isomorphic-strings
0208-implement-trie-prefix-tree
0242-valid-anagram
0392-is-subsequence
0394-decode-string
0415-add-strings
0990-verifying-an-alien-dictionary

Sorting

0015-3sum
0049-group-anagrams
0169-majority-element
0215-kth-largest-element-in-an-array
0242-valid-anagram
0274-h-index
0347-top-k-frequent-elements

Two Pointers

0015-3sum
0019-remove-nth-node-from-end-of-list
0026-remove-duplicates-from-sorted-array
0028-find-the-index-of-the-first-occurrence-in-a-string
0125-valid-palindrome
0141-linked-list-cycle
0142-linked-list-cycle-ii
0151-reverse-words-in-a-string
0189-rotate-array
0283-move-zeroes
0392-is-subsequence
0908-middle-of-the-linked-list
2236-maximum-twin-sum-of-a-linked-list

Array

0001-two-sum
0015-3sum
0026-remove-duplicates-from-sorted-array
0041-first-missing-positive
0049-group-anagrams
0073-set-matrix-zeroes
0118-pascals-triangle
0121-best-time-to-buy-and-sell-stock
0136-single-number
0169-majority-element
0189-rotate-array
0204-count-primes
0215-kth-largest-element-in-an-array
0238-product-of-array-except-self
0274-h-index
0283-move-zeroes
0347-top-k-frequent-elements
0380-insert-delete-getrandom-o1
0724-find-pivot-index
0990-verifying-an-alien-dictionary
1231-replace-elements-with-greatest-element-on-right-side
1878-check-if-array-is-sorted-and-rotated
2058-concatenation-of-array

Dynamic Programming

0118-pascals-triangle
0121-best-time-to-buy-and-sell-stock
0392-is-subsequence

Simulation

0415-add-strings
2058-concatenation-of-array

Divide and Conquer

0169-majority-element
0215-kth-largest-element-in-an-array
0347-top-k-frequent-elements

Heap (Priority Queue)

0215-kth-largest-element-in-an-array
0347-top-k-frequent-elements

Bucket Sort

0347-top-k-frequent-elements

Counting

0169-majority-element
0347-top-k-frequent-elements

Quickselect

0215-kth-largest-element-in-an-array
0347-top-k-frequent-elements

Matrix

0073-set-matrix-zeroes

Math

0007-reverse-integer
0009-palindrome-number
0013-roman-to-integer
0050-powx-n
0189-rotate-array
0204-count-primes
0380-insert-delete-getrandom-o1
0415-add-strings

Enumeration

0204-count-primes

Number Theory

0204-count-primes

Bit Manipulation

0136-single-number

Prefix Sum

0238-product-of-array-except-self
0724-find-pivot-index

Counting Sort

0274-h-index

Design

0155-min-stack
0208-implement-trie-prefix-tree
0380-insert-delete-getrandom-o1
0838-design-linked-list

Randomized

0380-insert-delete-getrandom-o1

Linked List

0019-remove-nth-node-from-end-of-list
0021-merge-two-sorted-lists
0141-linked-list-cycle
0142-linked-list-cycle-ii
0206-reverse-linked-list
0237-delete-node-in-a-linked-list
0838-design-linked-list
0908-middle-of-the-linked-list
2236-maximum-twin-sum-of-a-linked-list

Recursion

0021-merge-two-sorted-lists
0050-powx-n
0206-reverse-linked-list
0394-decode-string

Stack

0020-valid-parentheses
0155-min-stack
0394-decode-string
2236-maximum-twin-sum-of-a-linked-list

Trie

0208-implement-trie-prefix-tree

String Matching

0028-find-the-index-of-the-first-occurrence-in-a-string

Sliding Window

0003-longest-substring-without-repeating-characters

Tree

0104-maximum-depth-of-binary-tree
0975-range-sum-of-bst

Depth-First Search

0104-maximum-depth-of-binary-tree
0975-range-sum-of-bst

Breadth-First Search

0104-maximum-depth-of-binary-tree

Binary Tree

0104-maximum-depth-of-binary-tree
0975-range-sum-of-bst

Binary Search Tree

0975-range-sum-of-bst

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A collection of LeetCode questions to ace the coding interview!

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