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MySolutions

Collection of LeetCode questions to ace the coding interview! - Created using LeetHub

LeetCode Topics

Database

0176-second-highest-salary
0584-find-customer-referee
0586-customer-placing-the-largest-number-of-orders
0595-big-countries
0596-classes-with-at-least-5-students
1068-product-sales-analysis-i
1148-article-views-i
1378-replace-employee-id-with-the-unique-identifier
1581-customer-who-visited-but-did-not-make-any-transactions
1683-invalid-tweets
1757-recyclable-and-low-fat-products

Array

0001-two-sum
0011-container-with-most-water
0014-longest-common-prefix
0026-remove-duplicates-from-sorted-array
0027-remove-element
0034-find-first-and-last-position-of-element-in-sorted-array
0035-search-insert-position
0056-merge-intervals
0074-search-a-2d-matrix
0080-remove-duplicates-from-sorted-array-ii
0088-merge-sorted-array
0121-best-time-to-buy-and-sell-stock
0162-find-peak-element
0167-two-sum-ii-input-array-is-sorted
0169-majority-element
0189-rotate-array
0209-minimum-size-subarray-sum
0643-maximum-average-subarray-i
0704-binary-search
0744-find-smallest-letter-greater-than-target
1004-max-consecutive-ones-iii
1351-count-negative-numbers-in-a-sorted-matrix

Binary Search

0034-find-first-and-last-position-of-element-in-sorted-array
0035-search-insert-position
0074-search-a-2d-matrix
0162-find-peak-element
0167-two-sum-ii-input-array-is-sorted
0209-minimum-size-subarray-sum
0278-first-bad-version
0367-valid-perfect-square
0374-guess-number-higher-or-lower
0704-binary-search
0744-find-smallest-letter-greater-than-target
1004-max-consecutive-ones-iii
1351-count-negative-numbers-in-a-sorted-matrix

Two Pointers

0011-container-with-most-water
0026-remove-duplicates-from-sorted-array
0027-remove-element
0080-remove-duplicates-from-sorted-array-ii
0088-merge-sorted-array
0125-valid-palindrome
0141-linked-list-cycle
0167-two-sum-ii-input-array-is-sorted
0189-rotate-array
0344-reverse-string
0392-is-subsequence
1768-merge-strings-alternately

String

0003-longest-substring-without-repeating-characters
0012-integer-to-roman
0014-longest-common-prefix
0058-length-of-last-word
0125-valid-palindrome
0344-reverse-string
0383-ransom-note
0392-is-subsequence
1768-merge-strings-alternately

Math

0002-add-two-numbers
0012-integer-to-roman
0189-rotate-array
0231-power-of-two
0367-valid-perfect-square

Bit Manipulation

0231-power-of-two

Recursion

0002-add-two-numbers
0021-merge-two-sorted-lists
0206-reverse-linked-list
0231-power-of-two

Sorting

0056-merge-intervals
0088-merge-sorted-array
0169-majority-element

Linked List

0002-add-two-numbers
0021-merge-two-sorted-lists
0141-linked-list-cycle
0146-lru-cache
0206-reverse-linked-list

Matrix

0074-search-a-2d-matrix
1351-count-negative-numbers-in-a-sorted-matrix

Trie

0014-longest-common-prefix

Hash Table

0001-two-sum
0003-longest-substring-without-repeating-characters
0012-integer-to-roman
0141-linked-list-cycle
0146-lru-cache
0169-majority-element
0383-ransom-note

Sliding Window

0003-longest-substring-without-repeating-characters
0209-minimum-size-subarray-sum
0643-maximum-average-subarray-i
1004-max-consecutive-ones-iii

Prefix Sum

0209-minimum-size-subarray-sum
1004-max-consecutive-ones-iii

Dynamic Programming

0121-best-time-to-buy-and-sell-stock
0392-is-subsequence

Greedy

0011-container-with-most-water

Interactive

0278-first-bad-version
0374-guess-number-higher-or-lower

Divide and Conquer

0169-majority-element

Counting

0169-majority-element
0383-ransom-note

Design

0146-lru-cache

Doubly-Linked List

0146-lru-cache

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Collection of LeetCode questions to ace the coding interview!

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