LeetCode

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

LeetCode Topics

Array

0001-two-sum
0034-find-first-and-last-position-of-element-in-sorted-array
0084-largest-rectangle-in-histogram
0121-best-time-to-buy-and-sell-stock
0496-next-greater-element-i
1305-number-of-visible-people-in-a-queue
1353-find-resultant-array-after-removing-anagrams
2411-spiral-matrix-iv

Binary Search

0034-find-first-and-last-position-of-element-in-sorted-array

Hash Table

0001-two-sum
0138-copy-list-with-random-pointer
0141-linked-list-cycle
0142-linked-list-cycle-ii
0160-intersection-of-two-linked-lists
0496-next-greater-element-i
1353-find-resultant-array-after-removing-anagrams
3872-find-most-frequent-vowel-and-consonant

String

0020-valid-parentheses
1128-remove-all-adjacent-duplicates-in-string
1353-find-resultant-array-after-removing-anagrams
3872-find-most-frequent-vowel-and-consonant

Counting

3872-find-most-frequent-vowel-and-consonant

Linked List

0002-add-two-numbers
0019-remove-nth-node-from-end-of-list
0021-merge-two-sorted-lists
0023-merge-k-sorted-lists
0061-rotate-list
0083-remove-duplicates-from-sorted-list
0086-partition-list
0092-reverse-linked-list-ii
0138-copy-list-with-random-pointer
0141-linked-list-cycle
0142-linked-list-cycle-ii
0143-reorder-list
0148-sort-list
0160-intersection-of-two-linked-lists
0203-remove-linked-list-elements
0206-reverse-linked-list
0234-palindrome-linked-list
0237-delete-node-in-a-linked-list
0328-odd-even-linked-list
0725-split-linked-list-in-parts
0766-flatten-a-multilevel-doubly-linked-list
0908-middle-of-the-linked-list
1765-merge-in-between-linked-lists
2182-find-the-minimum-and-maximum-number-of-nodes-between-critical-points
2196-reverse-nodes-in-even-length-groups
2216-delete-the-middle-node-of-a-linked-list
2411-spiral-matrix-iv

Two Pointers

0019-remove-nth-node-from-end-of-list
0061-rotate-list
0086-partition-list
0141-linked-list-cycle
0142-linked-list-cycle-ii
0143-reorder-list
0148-sort-list
0160-intersection-of-two-linked-lists
0234-palindrome-linked-list
0908-middle-of-the-linked-list
2216-delete-the-middle-node-of-a-linked-list

Matrix

2411-spiral-matrix-iv

Simulation

2411-spiral-matrix-iv

Recursion

0002-add-two-numbers
0021-merge-two-sorted-lists
0143-reorder-list
0203-remove-linked-list-elements
0206-reverse-linked-list
0234-palindrome-linked-list

Divide and Conquer

0023-merge-k-sorted-lists
0148-sort-list

Heap (Priority Queue)

0023-merge-k-sorted-lists

Merge Sort

0023-merge-k-sorted-lists
0148-sort-list

Sorting

0148-sort-list
1353-find-resultant-array-after-removing-anagrams

Stack

0020-valid-parentheses
0084-largest-rectangle-in-histogram
0143-reorder-list
0234-palindrome-linked-list
0496-next-greater-element-i
1128-remove-all-adjacent-duplicates-in-string
1305-number-of-visible-people-in-a-queue

Dynamic Programming

0121-best-time-to-buy-and-sell-stock

Depth-First Search

0766-flatten-a-multilevel-doubly-linked-list

Doubly-Linked List

0766-flatten-a-multilevel-doubly-linked-list

Math

0002-add-two-numbers

Monotonic Stack

0084-largest-rectangle-in-histogram
0496-next-greater-element-i
1305-number-of-visible-people-in-a-queue