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

LeetCode Topics

Math

0002-add-two-numbers
0007-reverse-integer
0009-palindrome-number
0013-roman-to-integer
0029-divide-two-integers
0062-unique-paths
0066-plus-one
0149-max-points-on-a-line
0189-rotate-array
0204-count-primes
0268-missing-number
0313-super-ugly-number
0371-sum-of-two-integers

Array

0004-median-of-two-sorted-arrays
0011-container-with-most-water
0014-longest-common-prefix
0015-3sum
0027-remove-element
0031-next-permutation
0035-search-insert-position
0046-permutations
0054-spiral-matrix
0056-merge-intervals
0066-plus-one
0075-sort-colors
0088-merge-sorted-array
0134-gas-station
0136-single-number
0149-max-points-on-a-line
0162-find-peak-element
0164-maximum-gap
0169-majority-element
0179-largest-number
0189-rotate-array
0198-house-robber
0204-count-primes
0217-contains-duplicate
0219-contains-duplicate-ii
0221-maximal-square
0228-summary-ranges
0239-sliding-window-maximum
0268-missing-number
0283-move-zeroes
0313-super-ugly-number
0318-maximum-product-of-word-lengths
0321-create-maximum-number
0322-coin-change
0334-increasing-triplet-subsequence
0403-frog-jump
0472-concatenated-words
0493-reverse-pairs
0546-remove-boxes
0624-maximum-distance-in-arrays
0646-maximum-length-of-pair-chain
0739-daily-temperatures
0745-find-smallest-letter-greater-than-target
0792-binary-search
0878-shifting-letters
0907-koko-eating-bananas

String

0003-longest-substring-without-repeating-characters
0005-longest-palindromic-substring
0013-roman-to-integer
0014-longest-common-prefix
0017-letter-combinations-of-a-phone-number
0028-find-the-index-of-the-first-occurrence-in-a-string
0065-valid-number
0093-restore-ip-addresses
0179-largest-number
0299-bulls-and-cows
0318-maximum-product-of-word-lengths
0472-concatenated-words
0878-shifting-letters

Trie

0014-longest-common-prefix
0472-concatenated-words

Two Pointers

0005-longest-palindromic-substring
0011-container-with-most-water
0015-3sum
0027-remove-element
0028-find-the-index-of-the-first-occurrence-in-a-string
0031-next-permutation
0075-sort-colors
0088-merge-sorted-array
0189-rotate-array
0283-move-zeroes
0321-create-maximum-number

Binary Search

0004-median-of-two-sorted-arrays
0035-search-insert-position
0162-find-peak-element
0268-missing-number
0278-first-bad-version
0493-reverse-pairs
0745-find-smallest-letter-greater-than-target
0792-binary-search
0907-koko-eating-bananas

Sorting

0015-3sum
0056-merge-intervals
0075-sort-colors
0088-merge-sorted-array
0164-maximum-gap
0169-majority-element
0179-largest-number
0217-contains-duplicate
0268-missing-number
0472-concatenated-words
0646-maximum-length-of-pair-chain

Bit Manipulation

0029-divide-two-integers
0136-single-number
0268-missing-number
0318-maximum-product-of-word-lengths
0371-sum-of-two-integers

Hash Table

0003-longest-substring-without-repeating-characters
0013-roman-to-integer
0017-letter-combinations-of-a-phone-number
0149-max-points-on-a-line
0169-majority-element
0217-contains-duplicate
0219-contains-duplicate-ii
0268-missing-number
0299-bulls-and-cows

Sliding Window

0003-longest-substring-without-repeating-characters
0219-contains-duplicate-ii
0239-sliding-window-maximum

Greedy

0011-container-with-most-water
0134-gas-station
0179-largest-number
0321-create-maximum-number
0334-increasing-triplet-subsequence
0624-maximum-distance-in-arrays
0646-maximum-length-of-pair-chain

Dynamic Programming

0005-longest-palindromic-substring
0062-unique-paths
0198-house-robber
0221-maximal-square
0313-super-ugly-number
0322-coin-change
0403-frog-jump
0472-concatenated-words
0546-remove-boxes
0646-maximum-length-of-pair-chain

Linked List

0002-add-two-numbers

Recursion

0002-add-two-numbers

String Matching

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

Backtracking

0017-letter-combinations-of-a-phone-number
0046-permutations
0093-restore-ip-addresses

Counting

0169-majority-element
0299-bulls-and-cows

Interactive

0278-first-bad-version

Combinatorics

0062-unique-paths

Divide and Conquer

0004-median-of-two-sorted-arrays
0169-majority-element
0493-reverse-pairs

Enumeration

0204-count-primes

Number Theory

0204-count-primes

Queue

0239-sliding-window-maximum

Heap (Priority Queue)

0239-sliding-window-maximum

Monotonic Queue

0239-sliding-window-maximum

Bucket Sort

0164-maximum-gap

Radix Sort

0164-maximum-gap

Geometry

0149-max-points-on-a-line

Breadth-First Search

0322-coin-change

Matrix

0054-spiral-matrix
0221-maximal-square

Simulation

0054-spiral-matrix

Stack

0321-create-maximum-number
0739-daily-temperatures

Monotonic Stack

0321-create-maximum-number
0739-daily-temperatures

Depth-First Search

0472-concatenated-words

Database

0182-duplicate-emails
0183-customers-who-never-order

Binary Indexed Tree

0493-reverse-pairs

Segment Tree

0493-reverse-pairs

Merge Sort

0493-reverse-pairs

Ordered Set

0493-reverse-pairs

Memoization

0546-remove-boxes

Prefix Sum

0878-shifting-letters

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