LeetCode

LeetCode Topics

Array

0016-3sum-closest
0027-remove-element
0075-sort-colors
0455-assign-cookies
0682-baseball-game
0896-monotonic-array
0977-squares-of-a-sorted-array
1464-maximum-product-of-two-elements-in-an-array
1572-matrix-diagonal-sum
1652-defuse-the-bomb
1695-maximum-erasure-value
1967-number-of-strings-that-appear-as-substrings-in-word
2053-kth-distinct-string-in-an-array
2108-find-first-palindromic-string-in-the-array
2335-minimum-amount-of-time-to-fill-cups
2574-left-and-right-sum-differences
2643-row-with-maximum-ones
2744-find-maximum-number-of-string-pairs
2778-sum-of-squares-of-special-elements
2974-minimum-number-game
3024-type-of-triangle
3232-find-if-digit-game-can-be-won
3828-final-element-after-subarray-deletions

Two Pointers

0016-3sum-closest
0027-remove-element
0075-sort-colors
0160-intersection-of-two-linked-lists
0443-string-compression
0455-assign-cookies
0977-squares-of-a-sorted-array
2108-find-first-palindromic-string-in-the-array

String

0038-count-and-say
0443-string-compression
1456-maximum-number-of-vowels-in-a-substring-of-given-length
1614-maximum-nesting-depth-of-the-parentheses
1812-determine-color-of-a-chessboard-square
1967-number-of-strings-that-appear-as-substrings-in-word
2053-kth-distinct-string-in-an-array
2108-find-first-palindromic-string-in-the-array
2744-find-maximum-number-of-string-pairs
3014-minimum-number-of-pushes-to-type-word-i
3163-string-compression-iii

Sliding Window

1456-maximum-number-of-vowels-in-a-substring-of-given-length
1652-defuse-the-bomb
1695-maximum-erasure-value

Matrix

1572-matrix-diagonal-sum
2643-row-with-maximum-ones

Math

1025-divisor-game
1227-airplane-seat-assignment-probability
1290-convert-binary-number-in-a-linked-list-to-integer
1486-xor-operation-in-an-array
1812-determine-color-of-a-chessboard-square
2525-categorize-box-according-to-criteria
2769-find-the-maximum-achievable-number
3014-minimum-number-of-pushes-to-type-word-i
3024-type-of-triangle
3232-find-if-digit-game-can-be-won
3345-smallest-divisible-digit-product-i
3828-final-element-after-subarray-deletions

Greedy

0455-assign-cookies
2335-minimum-amount-of-time-to-fill-cups
3014-minimum-number-of-pushes-to-type-word-i

Sorting

0016-3sum-closest
0075-sort-colors
0455-assign-cookies
0977-squares-of-a-sorted-array
1464-maximum-product-of-two-elements-in-an-array
2335-minimum-amount-of-time-to-fill-cups
2974-minimum-number-game
3024-type-of-triangle

Heap (Priority Queue)

1464-maximum-product-of-two-elements-in-an-array
2335-minimum-amount-of-time-to-fill-cups
2974-minimum-number-game

Hash Table

0160-intersection-of-two-linked-lists
1695-maximum-erasure-value
2053-kth-distinct-string-in-an-array
2744-find-maximum-number-of-string-pairs

Counting

2053-kth-distinct-string-in-an-array

Simulation

0682-baseball-game
2744-find-maximum-number-of-string-pairs
2974-minimum-number-game

Stack

0682-baseball-game
1614-maximum-nesting-depth-of-the-parentheses

Dynamic Programming

1025-divisor-game
1227-airplane-seat-assignment-probability

Brainteaser

1025-divisor-game
1227-airplane-seat-assignment-probability
3828-final-element-after-subarray-deletions

Probability and Statistics

1227-airplane-seat-assignment-probability

Game Theory

1025-divisor-game
3828-final-element-after-subarray-deletions

Database

0175-combine-two-tables
0176-second-highest-salary
0181-employees-earning-more-than-their-managers
0182-duplicate-emails
0183-customers-who-never-order
0197-rising-temperature
0511-game-play-analysis-i
0577-employee-bonus
0586-customer-placing-the-largest-number-of-orders
0595-big-countries
0627-swap-sex-of-employees
1068-product-sales-analysis-i
1378-replace-employee-id-with-the-unique-identifier
1965-employees-with-missing-information

Linked List

0083-remove-duplicates-from-sorted-list
0092-reverse-linked-list-ii
0160-intersection-of-two-linked-lists
0206-reverse-linked-list
0237-delete-node-in-a-linked-list
1290-convert-binary-number-in-a-linked-list-to-integer

Recursion

0206-reverse-linked-list

Enumeration

2778-sum-of-squares-of-special-elements
3345-smallest-divisible-digit-product-i

Prefix Sum

2574-left-and-right-sum-differences

Bit Manipulation

1486-xor-operation-in-an-array

Polygons

3024-type-of-triangle

Quicksort

0455-assign-cookies