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

LeetCode Topics

Linked List

0002-add-two-numbers
2903-insert-greatest-common-divisors-in-linked-list

Math

0002-add-two-numbers
0539-minimum-time-difference
2903-insert-greatest-common-divisors-in-linked-list

Number Theory

2903-insert-greatest-common-divisors-in-linked-list

Array

0179-largest-number
0539-minimum-time-difference
0952-word-subsets
1256-rank-transform-of-an-array
1364-tuple-with-same-product
1497-design-a-stack-with-increment-operation
1524-string-matching-in-an-array
1620-check-if-array-pairs-are-divisible-by-k
1694-make-sum-divisible-by-p
1786-count-the-number-of-consistent-strings
1886-minimum-limit-of-balls-in-a-bag
1923-sentence-similarity-iii
2232-adding-spaces-to-a-string
2265-partition-array-according-to-given-pivot
2292-counting-words-with-a-given-prefix
2358-number-of-ways-to-split-array
2503-longest-subarray-with-maximum-bitwise-and
2551-apply-operations-to-an-array
2581-divide-players-into-teams-of-equal-skill
2691-count-vowel-strings-in-ranges
2707-merge-two-2d-arrays-by-summing-values
2792-neighboring-bitwise-xor
3372-longest-strictly-increasing-or-strictly-decreasing-subarray

Hash Table

0567-permutation-in-string
0920-uncommon-words-from-two-sentences
0952-word-subsets
1256-rank-transform-of-an-array
1364-tuple-with-same-product
1387-find-elements-in-a-contaminated-binary-tree
1473-find-the-longest-substring-containing-vowels-in-even-counts
1620-check-if-array-pairs-are-divisible-by-k
1694-make-sum-divisible-by-p
1786-count-the-number-of-consistent-strings
1915-check-if-one-string-swap-can-make-strings-equal
2059-unique-length-3-palindromic-subsequences
2581-divide-players-into-teams-of-equal-skill
2707-merge-two-2d-arrays-by-summing-values

String

0179-largest-number
0539-minimum-time-difference
0567-permutation-in-string
0920-uncommon-words-from-two-sentences
0952-word-subsets
1302-delete-characters-to-make-fancy-string
1473-find-the-longest-substring-containing-vowels-in-even-counts
1524-string-matching-in-an-array
1537-maximum-score-after-splitting-a-string
1786-count-the-number-of-consistent-strings
1915-check-if-one-string-swap-can-make-strings-equal
1923-sentence-similarity-iii
2059-unique-length-3-palindromic-subsequences
2095-minimum-number-of-swaps-to-make-the-string-balanced
2221-check-if-a-parentheses-string-can-be-valid
2232-adding-spaces-to-a-string
2292-counting-words-with-a-given-prefix
2691-count-vowel-strings-in-ranges
2800-minimum-string-length-after-removing-substrings

Bit Manipulation

1473-find-the-longest-substring-containing-vowels-in-even-counts
1786-count-the-number-of-consistent-strings
2059-unique-length-3-palindromic-subsequences
2503-longest-subarray-with-maximum-bitwise-and
2792-neighboring-bitwise-xor

Counting

0920-uncommon-words-from-two-sentences
1364-tuple-with-same-product
1620-check-if-array-pairs-are-divisible-by-k
1786-count-the-number-of-consistent-strings
1915-check-if-one-string-swap-can-make-strings-equal

Brainteaser

2503-longest-subarray-with-maximum-bitwise-and

Prefix Sum

1473-find-the-longest-substring-containing-vowels-in-even-counts
1537-maximum-score-after-splitting-a-string
1694-make-sum-divisible-by-p
2059-unique-length-3-palindromic-subsequences
2358-number-of-ways-to-split-array
2691-count-vowel-strings-in-ranges

Sorting

0179-largest-number
0539-minimum-time-difference
1256-rank-transform-of-an-array
2581-divide-players-into-teams-of-equal-skill

Database

0175-combine-two-tables

Greedy

0179-largest-number
2095-minimum-number-of-swaps-to-make-the-string-balanced
2221-check-if-a-parentheses-string-can-be-valid

Depth-First Search

0386-lexicographical-numbers
1387-find-elements-in-a-contaminated-binary-tree

Trie

0386-lexicographical-numbers

Stack

1497-design-a-stack-with-increment-operation
2095-minimum-number-of-swaps-to-make-the-string-balanced
2221-check-if-a-parentheses-string-can-be-valid
2800-minimum-string-length-after-removing-substrings

Design

1387-find-elements-in-a-contaminated-binary-tree
1497-design-a-stack-with-increment-operation

Two Pointers

0567-permutation-in-string
1923-sentence-similarity-iii
2095-minimum-number-of-swaps-to-make-the-string-balanced
2232-adding-spaces-to-a-string
2265-partition-array-according-to-given-pivot
2551-apply-operations-to-an-array
2581-divide-players-into-teams-of-equal-skill
2707-merge-two-2d-arrays-by-summing-values

Sliding Window

0567-permutation-in-string

Simulation

2232-adding-spaces-to-a-string
2265-partition-array-according-to-given-pivot
2551-apply-operations-to-an-array
2800-minimum-string-length-after-removing-substrings

Binary Search

1886-minimum-limit-of-balls-in-a-bag

String Matching

1524-string-matching-in-an-array
2292-counting-words-with-a-given-prefix

Recursion

0002-add-two-numbers

Tree

1387-find-elements-in-a-contaminated-binary-tree

Breadth-First Search

1387-find-elements-in-a-contaminated-binary-tree

Binary Tree

1387-find-elements-in-a-contaminated-binary-tree