LeetCode_solutions

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

LeetCode Topics

Array

0001-two-sum
0026-remove-duplicates-from-sorted-array
0027-remove-element
0031-next-permutation
0033-search-in-rotated-sorted-array
0034-find-first-and-last-position-of-element-in-sorted-array
0035-search-insert-position
0053-maximum-subarray
0066-plus-one
0075-sort-colors
0081-search-in-rotated-sorted-array-ii
0121-best-time-to-buy-and-sell-stock
0128-longest-consecutive-sequence
0136-single-number
0153-find-minimum-in-rotated-sorted-array
0162-find-peak-element
0169-majority-element
0189-rotate-array
0204-count-primes
0217-contains-duplicate
0268-missing-number
0283-move-zeroes
0287-find-the-duplicate-number
0349-intersection-of-two-arrays
0485-max-consecutive-ones
0540-single-element-in-a-sorted-array
0560-subarray-sum-equals-k
0628-maximum-product-of-three-numbers
0792-binary-search
1408-find-the-smallest-divisor-given-a-threshold
1468-check-if-n-and-its-double-exist
1646-kth-missing-positive-number
1791-richest-customer-wealth
1833-find-the-highest-altitude
2058-concatenation-of-array
2271-rearrange-array-elements-by-sign
2274-keep-multiplying-found-values-by-two
3194-find-words-containing-character
3476-find-minimum-operations-to-make-all-elements-divisible-by-three

Hash Table

0001-two-sum
0128-longest-consecutive-sequence
0141-linked-list-cycle
0169-majority-element
0217-contains-duplicate
0268-missing-number
0349-intersection-of-two-arrays
0560-subarray-sum-equals-k
1468-check-if-n-and-its-double-exist
2274-keep-multiplying-found-values-by-two

Divide and Conquer

0053-maximum-subarray
0148-sort-list
0169-majority-element

Sorting

0075-sort-colors
0148-sort-list
0169-majority-element
0217-contains-duplicate
0268-missing-number
0349-intersection-of-two-arrays
0628-maximum-product-of-three-numbers
1468-check-if-n-and-its-double-exist
2274-keep-multiplying-found-values-by-two

Counting

0169-majority-element

Math

0002-add-two-numbers
0007-reverse-integer
0009-palindrome-number
0066-plus-one
0189-rotate-array
0204-count-primes
0268-missing-number
0628-maximum-product-of-three-numbers
1086-divisor-game
2383-add-two-integers
2556-convert-the-temperature
3476-find-minimum-operations-to-make-all-elements-divisible-by-three

Two Pointers

0019-remove-nth-node-from-end-of-list
0026-remove-duplicates-from-sorted-array
0027-remove-element
0031-next-permutation
0075-sort-colors
0141-linked-list-cycle
0148-sort-list
0189-rotate-array
0234-palindrome-linked-list
0283-move-zeroes
0287-find-the-duplicate-number
0349-intersection-of-two-arrays
0908-middle-of-the-linked-list
1468-check-if-n-and-its-double-exist
2216-delete-the-middle-node-of-a-linked-list
2271-rearrange-array-elements-by-sign

Bit Manipulation

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

Enumeration

0204-count-primes

Number Theory

0204-count-primes

Binary Search

0033-search-in-rotated-sorted-array
0034-find-first-and-last-position-of-element-in-sorted-array
0035-search-insert-position
0081-search-in-rotated-sorted-array-ii
0153-find-minimum-in-rotated-sorted-array
0162-find-peak-element
0268-missing-number
0287-find-the-duplicate-number
0349-intersection-of-two-arrays
0540-single-element-in-a-sorted-array
0792-binary-search
1408-find-the-smallest-divisor-given-a-threshold
1468-check-if-n-and-its-double-exist
1646-kth-missing-positive-number

String

0058-length-of-last-word
0520-detect-capital
0742-to-lower-case
3194-find-words-containing-character

Dynamic Programming

0053-maximum-subarray
0121-best-time-to-buy-and-sell-stock
1086-divisor-game

Linked List

0002-add-two-numbers
0019-remove-nth-node-from-end-of-list
0021-merge-two-sorted-lists
0024-swap-nodes-in-pairs
0141-linked-list-cycle
0148-sort-list
0203-remove-linked-list-elements
0206-reverse-linked-list
0234-palindrome-linked-list
0328-odd-even-linked-list
0908-middle-of-the-linked-list
2216-delete-the-middle-node-of-a-linked-list

Recursion

0002-add-two-numbers
0021-merge-two-sorted-lists
0024-swap-nodes-in-pairs
0203-remove-linked-list-elements
0206-reverse-linked-list
0234-palindrome-linked-list

Matrix

1791-richest-customer-wealth

Prefix Sum

0560-subarray-sum-equals-k
1833-find-the-highest-altitude

Simulation

2058-concatenation-of-array
2271-rearrange-array-elements-by-sign
2274-keep-multiplying-found-values-by-two

Union Find

0128-longest-consecutive-sequence

Merge Sort

0148-sort-list

Stack

0225-implement-stack-using-queues
0232-implement-queue-using-stacks
0234-palindrome-linked-list

Design

0225-implement-stack-using-queues
0232-implement-queue-using-stacks

Queue

0225-implement-stack-using-queues
0232-implement-queue-using-stacks

Brainteaser

1086-divisor-game

Game Theory

1086-divisor-game