Leetcode-Solutions

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

LeetCode Topics

Array

0011-container-with-most-water
0066-plus-one
0349-intersection-of-two-arrays
0682-baseball-game
0940-fruit-into-baskets
1351-count-negative-numbers-in-a-sorted-matrix
1548-check-if-all-1s-are-at-least-length-k-places-away
1621-number-of-subsequences-that-satisfy-the-given-sum-condition
1995-finding-pairs-with-a-certain-sum
2429-design-a-food-rating-system
2497-maximum-matching-of-players-with-trainers
3074-apple-redistribution-into-boxes
3242-count-elements-with-maximum-frequency
3623-count-number-of-trapezoids-i
3668-restore-finishing-order
3778-transform-array-by-parity
3790-fruits-into-baskets-ii

Stack

0682-baseball-game
1666-make-the-string-great

Simulation

0412-fizz-buzz
0682-baseball-game
3790-fruits-into-baskets-ii

Hash Table

0349-intersection-of-two-arrays
0387-first-unique-character-in-a-string
0940-fruit-into-baskets
1015-smallest-integer-divisible-by-k
1264-maximum-number-of-words-you-can-type
1995-finding-pairs-with-a-certain-sum
2429-design-a-food-rating-system
3242-count-elements-with-maximum-frequency
3623-count-number-of-trapezoids-i
3668-restore-finishing-order

String

0387-first-unique-character-in-a-string
0412-fizz-buzz
1264-maximum-number-of-words-you-can-type
1302-delete-characters-to-make-fancy-string
1666-make-the-string-great
2346-largest-3-same-digit-number-in-string
2429-design-a-food-rating-system
3110-score-of-a-string
3617-find-the-original-typed-string-i

Queue

0387-first-unique-character-in-a-string

Counting

0387-first-unique-character-in-a-string
3242-count-elements-with-maximum-frequency
3778-transform-array-by-parity

Database

3767-find-students-who-improved
3782-find-valid-emails
3816-dna-pattern-recognition
3848-analyze-subscription-conversion
3910-find-books-with-no-available-copies

Math

0007-reverse-integer
0066-plus-one
0412-fizz-buzz
1015-smallest-integer-divisible-by-k
1411-convert-binary-number-in-a-linked-list-to-integer
1440-convert-integer-to-the-sum-of-two-no-zero-integers
2903-insert-greatest-common-divisors-in-linked-list
3623-count-number-of-trapezoids-i

Two Pointers

0011-container-with-most-water
0349-intersection-of-two-arrays
0908-middle-of-the-linked-list
1621-number-of-subsequences-that-satisfy-the-given-sum-condition
2216-delete-the-middle-node-of-a-linked-list
2497-maximum-matching-of-players-with-trainers

Binary Search

0349-intersection-of-two-arrays
1351-count-negative-numbers-in-a-sorted-matrix
1621-number-of-subsequences-that-satisfy-the-given-sum-condition
3790-fruits-into-baskets-ii

Sorting

0349-intersection-of-two-arrays
1621-number-of-subsequences-that-satisfy-the-given-sum-condition
2497-maximum-matching-of-players-with-trainers
3074-apple-redistribution-into-boxes
3778-transform-array-by-parity

Design

1995-finding-pairs-with-a-certain-sum
2429-design-a-food-rating-system

Greedy

0011-container-with-most-water
2497-maximum-matching-of-players-with-trainers
3074-apple-redistribution-into-boxes

Linked List

0021-merge-two-sorted-lists
0203-remove-linked-list-elements
0206-reverse-linked-list
0908-middle-of-the-linked-list
1411-convert-binary-number-in-a-linked-list-to-integer
2216-delete-the-middle-node-of-a-linked-list
2903-insert-greatest-common-divisors-in-linked-list

Recursion

0021-merge-two-sorted-lists
0203-remove-linked-list-elements
0206-reverse-linked-list

Sliding Window

0940-fruit-into-baskets

Segment Tree

3790-fruits-into-baskets-ii

Ordered Set

2429-design-a-food-rating-system
3790-fruits-into-baskets-ii

Heap (Priority Queue)

2429-design-a-food-rating-system

Number Theory

2903-insert-greatest-common-divisors-in-linked-list

Geometry

3623-count-number-of-trapezoids-i

Matrix

1351-count-negative-numbers-in-a-sorted-matrix