LEETCODE-AND-GFG

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

Array

0048-rotate-image
0053-maximum-subarray
0056-merge-intervals
0075-sort-colors
2015-determine-whether-matrix-can-be-obtained-by-rotation

Divide and Conquer

0053-maximum-subarray

Dynamic Programming

0053-maximum-subarray

Two Pointers

0075-sort-colors
2236-maximum-twin-sum-of-a-linked-list

Sorting

0056-merge-intervals
0075-sort-colors

Math

0048-rotate-image
0050-powx-n
2050-count-good-numbers

Matrix

0048-rotate-image
2015-determine-whether-matrix-can-be-obtained-by-rotation

Linked List

2236-maximum-twin-sum-of-a-linked-list

Stack

2236-maximum-twin-sum-of-a-linked-list

String

0008-string-to-integer-atoi

Recursion

0050-powx-n
2050-count-good-numbers

LeetCode Topics

Array

0004-median-of-two-sorted-arrays
0026-remove-duplicates-from-sorted-array
0037-sudoku-solver
0039-combination-sum
0040-combination-sum-ii
0064-minimum-path-sum
0075-sort-colors
0118-pascals-triangle
0189-rotate-array
0200-number-of-islands
0216-combination-sum-iii
0268-missing-number
0300-longest-increasing-subsequence
0485-max-consecutive-ones
0733-flood-fill
0940-fruit-into-baskets
0967-minimum-falling-path-sum
1046-max-consecutive-ones-iii
1224-minimum-falling-path-sum-ii
1364-tuple-with-same-product
1510-find-lucky-integer-in-an-array
1538-maximum-points-you-can-obtain-from-cards
1621-number-of-subsequences-that-satisfy-the-given-sum-condition
1878-check-if-array-is-sorted-and-rotated
1927-maximum-ascending-subarray-sum
2150-kth-smallest-product-of-two-sorted-arrays
2766-find-the-prefix-common-array-of-two-arrays
3309-count-prefix-and-suffix-pairs-i
3372-longest-strictly-increasing-or-strictly-decreasing-subarray
3429-special-array-i
3434-find-the-number-of-distinct-colors-among-the-balls

Binary Search

0004-median-of-two-sorted-arrays
0268-missing-number
0300-longest-increasing-subsequence
1046-max-consecutive-ones-iii
1621-number-of-subsequences-that-satisfy-the-given-sum-condition
2150-kth-smallest-product-of-two-sorted-arrays

Divide and Conquer

0004-median-of-two-sorted-arrays

Hash Table

0003-longest-substring-without-repeating-characters
0017-letter-combinations-of-a-phone-number
0037-sudoku-solver
0268-missing-number
0940-fruit-into-baskets
1364-tuple-with-same-product
1460-number-of-substrings-containing-all-three-characters
1510-find-lucky-integer-in-an-array
1915-check-if-one-string-swap-can-make-strings-equal
2766-find-the-prefix-common-array-of-two-arrays
3434-find-the-number-of-distinct-colors-among-the-balls

Math

0050-powx-n
0070-climbing-stairs
0189-rotate-array
0268-missing-number

Bit Manipulation

0268-missing-number
2766-find-the-prefix-common-array-of-two-arrays
3453-generate-binary-strings-without-adjacent-zeros

Sorting

0075-sort-colors
0268-missing-number
1621-number-of-subsequences-that-satisfy-the-given-sum-condition

String

0003-longest-substring-without-repeating-characters
0008-string-to-integer-atoi
0017-letter-combinations-of-a-phone-number
0022-generate-parentheses
0072-edit-distance
0131-palindrome-partitioning
0583-delete-operation-for-two-strings
1460-number-of-substrings-containing-all-three-characters
1915-check-if-one-string-swap-can-make-strings-equal
3309-count-prefix-and-suffix-pairs-i
3453-generate-binary-strings-without-adjacent-zeros
3617-find-the-original-typed-string-i
3618-find-the-original-typed-string-ii

Recursion

0024-swap-nodes-in-pairs
0050-powx-n

Two Pointers

0026-remove-duplicates-from-sorted-array
0075-sort-colors
0189-rotate-array
1621-number-of-subsequences-that-satisfy-the-given-sum-condition

Trie

0386-lexicographical-numbers
3309-count-prefix-and-suffix-pairs-i

Rolling Hash

3309-count-prefix-and-suffix-pairs-i

String Matching

3309-count-prefix-and-suffix-pairs-i

Hash Function

3309-count-prefix-and-suffix-pairs-i

Counting

1364-tuple-with-same-product
1510-find-lucky-integer-in-an-array
1915-check-if-one-string-swap-can-make-strings-equal

Sliding Window

0003-longest-substring-without-repeating-characters
0940-fruit-into-baskets
1046-max-consecutive-ones-iii
1460-number-of-substrings-containing-all-three-characters
1538-maximum-points-you-can-obtain-from-cards

Prefix Sum

1046-max-consecutive-ones-iii
1538-maximum-points-you-can-obtain-from-cards
3618-find-the-original-typed-string-ii

Simulation

3434-find-the-number-of-distinct-colors-among-the-balls

Linked List

0024-swap-nodes-in-pairs
0083-remove-duplicates-from-sorted-list

Dynamic Programming

0022-generate-parentheses
0064-minimum-path-sum
0070-climbing-stairs
0072-edit-distance
0118-pascals-triangle
0131-palindrome-partitioning
0300-longest-increasing-subsequence
0583-delete-operation-for-two-strings
0967-minimum-falling-path-sum
1224-minimum-falling-path-sum-ii
3618-find-the-original-typed-string-ii

Backtracking

0017-letter-combinations-of-a-phone-number
0022-generate-parentheses
0037-sudoku-solver
0039-combination-sum
0040-combination-sum-ii
0131-palindrome-partitioning
0216-combination-sum-iii
3453-generate-binary-strings-without-adjacent-zeros

Depth-First Search

0200-number-of-islands
0386-lexicographical-numbers
0547-number-of-provinces
0733-flood-fill
0801-is-graph-bipartite
2121-find-if-path-exists-in-graph

Matrix

0037-sudoku-solver
0064-minimum-path-sum
0200-number-of-islands
0733-flood-fill
0967-minimum-falling-path-sum
1224-minimum-falling-path-sum-ii

Memoization

0070-climbing-stairs

Breadth-First Search

0200-number-of-islands
0547-number-of-provinces
0733-flood-fill
0801-is-graph-bipartite
2121-find-if-path-exists-in-graph

Union Find

0200-number-of-islands
0547-number-of-provinces
0801-is-graph-bipartite
2121-find-if-path-exists-in-graph

Graph

0547-number-of-provinces
0801-is-graph-bipartite
2121-find-if-path-exists-in-graph