Leetcode

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
0015-3sum
0018-4sum
0026-remove-duplicates-from-sorted-array
0031-next-permutation
0033-search-in-rotated-sorted-array
0034-find-first-and-last-position-of-element-in-sorted-array
0035-search-insert-position
0048-rotate-image
0053-maximum-subarray
0056-merge-intervals
0073-set-matrix-zeroes
0074-search-a-2d-matrix
0075-sort-colors
0081-search-in-rotated-sorted-array-ii
0088-merge-sorted-array
0121-best-time-to-buy-and-sell-stock
0136-single-number
0152-maximum-product-subarray
0153-find-minimum-in-rotated-sorted-array
0162-find-peak-element
0169-majority-element
0189-rotate-array
0204-count-primes
0229-majority-element-ii
0240-search-a-2d-matrix-ii
0268-missing-number
0283-move-zeroes
0287-find-the-duplicate-number
0410-split-array-largest-sum
0485-max-consecutive-ones
0540-single-element-in-a-sorted-array
0560-subarray-sum-equals-k
0724-find-pivot-index
0792-binary-search
0907-koko-eating-bananas
0940-fruit-into-baskets
0966-binary-subarrays-with-sum
1046-max-consecutive-ones-iii
1056-capacity-to-ship-packages-within-d-days
1231-replace-elements-with-greatest-element-on-right-side
1370-count-number-of-nice-subarrays
1408-find-the-smallest-divisor-given-a-threshold
1605-minimum-number-of-days-to-make-m-bouquets
1646-kth-missing-positive-number
1878-check-if-array-is-sorted-and-rotated
2271-rearrange-array-elements-by-sign
2508-maximum-sum-of-an-hourglass
3227-find-missing-and-repeated-values

Bit Manipulation

0136-single-number
0268-missing-number
0287-find-the-duplicate-number

Hash Table

0001-two-sum
0003-longest-substring-without-repeating-characters
0073-set-matrix-zeroes
0169-majority-element
0229-majority-element-ii
0268-missing-number
0560-subarray-sum-equals-k
0940-fruit-into-baskets
0966-binary-subarrays-with-sum
1370-count-number-of-nice-subarrays
3227-find-missing-and-repeated-values

Math

0007-reverse-integer
0009-palindrome-number
0043-multiply-strings
0048-rotate-image
0050-powx-n
0069-sqrtx
0189-rotate-array
0204-count-primes
0268-missing-number
0367-valid-perfect-square
1295-minimum-garden-perimeter-to-collect-enough-apples
1370-count-number-of-nice-subarrays
2481-strictly-palindromic-number
3227-find-missing-and-repeated-values

Binary Search

0004-median-of-two-sorted-arrays
0033-search-in-rotated-sorted-array
0034-find-first-and-last-position-of-element-in-sorted-array
0035-search-insert-position
0069-sqrtx
0074-search-a-2d-matrix
0081-search-in-rotated-sorted-array-ii
0153-find-minimum-in-rotated-sorted-array
0162-find-peak-element
0240-search-a-2d-matrix-ii
0268-missing-number
0287-find-the-duplicate-number
0367-valid-perfect-square
0410-split-array-largest-sum
0540-single-element-in-a-sorted-array
0792-binary-search
0907-koko-eating-bananas
1046-max-consecutive-ones-iii
1056-capacity-to-ship-packages-within-d-days
1295-minimum-garden-perimeter-to-collect-enough-apples
1408-find-the-smallest-divisor-given-a-threshold
1605-minimum-number-of-days-to-make-m-bouquets
1646-kth-missing-positive-number

Sorting

0015-3sum
0018-4sum
0056-merge-intervals
0075-sort-colors
0088-merge-sorted-array
0169-majority-element
0229-majority-element-ii
0268-missing-number

Two Pointers

0015-3sum
0018-4sum
0026-remove-duplicates-from-sorted-array
0031-next-permutation
0075-sort-colors
0088-merge-sorted-array
0189-rotate-array
0283-move-zeroes
0287-find-the-duplicate-number
2271-rearrange-array-elements-by-sign
2481-strictly-palindromic-number

Divide and Conquer

0004-median-of-two-sorted-arrays
0053-maximum-subarray
0169-majority-element
0240-search-a-2d-matrix-ii

Counting

0169-majority-element
0229-majority-element-ii

Dynamic Programming

0053-maximum-subarray
0121-best-time-to-buy-and-sell-stock
0152-maximum-product-subarray
0410-split-array-largest-sum

Simulation

0043-multiply-strings
2271-rearrange-array-elements-by-sign

Matrix

0048-rotate-image
0073-set-matrix-zeroes
0074-search-a-2d-matrix
0240-search-a-2d-matrix-ii
2508-maximum-sum-of-an-hourglass
3227-find-missing-and-repeated-values

Prefix Sum

0410-split-array-largest-sum
0560-subarray-sum-equals-k
0724-find-pivot-index
0966-binary-subarrays-with-sum
1046-max-consecutive-ones-iii
1370-count-number-of-nice-subarrays
2508-maximum-sum-of-an-hourglass

Greedy

0410-split-array-largest-sum

Linked List

0237-delete-node-in-a-linked-list

String

0003-longest-substring-without-repeating-characters
0043-multiply-strings

Sliding Window

0003-longest-substring-without-repeating-characters
0940-fruit-into-baskets
0966-binary-subarrays-with-sum
1046-max-consecutive-ones-iii
1370-count-number-of-nice-subarrays

Enumeration

0204-count-primes

Number Theory

0204-count-primes

Brainteaser

2481-strictly-palindromic-number

Recursion

0050-powx-n