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

LeetCode Topics

Math

0066-plus-one
0231-power-of-two
0258-add-digits
0326-power-of-three
0342-power-of-four
1266-minimum-time-visiting-all-points
1390-four-divisors
3047-find-the-largest-area-of-square-inside-two-rectangles
3601-find-the-k-th-character-in-string-game-ii

Bit Manipulation

0231-power-of-two
0342-power-of-four
2170-count-number-of-maximum-bitwise-or-subsets
3601-find-the-k-th-character-in-string-game-ii

Recursion

0231-power-of-two
0326-power-of-three
0342-power-of-four
3601-find-the-k-th-character-in-string-game-ii

Array

0066-plus-one
0085-maximal-rectangle
0088-merge-sorted-array
0414-third-maximum-number
0448-find-all-numbers-disappeared-in-an-array
0961-n-repeated-element-in-size-2n-array
1266-minimum-time-visiting-all-points
1390-four-divisors
1458-max-dot-product-of-two-subsequences
1975-maximum-matrix-sum
2170-count-number-of-maximum-bitwise-or-subsets
2316-count-hills-and-valleys-in-an-array
2497-maximum-matching-of-players-with-trainers
2943-maximize-area-of-square-hole-in-grid
2975-maximum-square-area-by-removing-fences-from-a-field
3047-find-the-largest-area-of-square-inside-two-rectangles
3453-separate-squares-i
3454-separate-squares-ii
3643-zero-array-transformation-ii
3788-maximum-unique-subarray-sum-after-deletion
3789-maximize-subarrays-after-removing-one-conflicting-pair

Sorting

0088-merge-sorted-array
0414-third-maximum-number
2497-maximum-matching-of-players-with-trainers
2943-maximize-area-of-square-hole-in-grid

Hash Table

0448-find-all-numbers-disappeared-in-an-array
0865-smallest-subtree-with-all-the-deepest-nodes
0961-n-repeated-element-in-size-2n-array
2975-maximum-square-area-by-removing-fences-from-a-field
3569-count-of-substrings-containing-every-vowel-and-k-consonants-ii
3788-maximum-unique-subarray-sum-after-deletion

Dynamic Programming

0085-maximal-rectangle
0712-minimum-ascii-delete-sum-for-two-strings
1411-number-of-ways-to-paint-n-3-grid
1458-max-dot-product-of-two-subsequences
2028-the-earliest-and-latest-rounds-where-players-compete

Memoization

2028-the-earliest-and-latest-rounds-where-players-compete

Two Pointers

0088-merge-sorted-array
2497-maximum-matching-of-players-with-trainers

Greedy

1975-maximum-matrix-sum
2497-maximum-matching-of-players-with-trainers
3788-maximum-unique-subarray-sum-after-deletion

Segment Tree

3454-separate-squares-ii
3789-maximize-subarrays-after-removing-one-conflicting-pair

Enumeration

2170-count-number-of-maximum-bitwise-or-subsets
2975-maximum-square-area-by-removing-fences-from-a-field
3789-maximize-subarrays-after-removing-one-conflicting-pair

Prefix Sum

3643-zero-array-transformation-ii
3789-maximize-subarrays-after-removing-one-conflicting-pair

Backtracking

2170-count-number-of-maximum-bitwise-or-subsets

Simulation

0258-add-digits

Number Theory

0258-add-digits

Binary Search

3453-separate-squares-i
3454-separate-squares-ii
3643-zero-array-transformation-ii

String

0712-minimum-ascii-delete-sum-for-two-strings
2346-largest-3-same-digit-number-in-string
3569-count-of-substrings-containing-every-vowel-and-k-consonants-ii

Sliding Window

3569-count-of-substrings-containing-every-vowel-and-k-consonants-ii

Tree

0865-smallest-subtree-with-all-the-deepest-nodes
1161-maximum-level-sum-of-a-binary-tree
1339-maximum-product-of-splitted-binary-tree

Depth-First Search

0865-smallest-subtree-with-all-the-deepest-nodes
1161-maximum-level-sum-of-a-binary-tree
1339-maximum-product-of-splitted-binary-tree

Breadth-First Search

0865-smallest-subtree-with-all-the-deepest-nodes
1161-maximum-level-sum-of-a-binary-tree

Binary Tree

0865-smallest-subtree-with-all-the-deepest-nodes
1161-maximum-level-sum-of-a-binary-tree
1339-maximum-product-of-splitted-binary-tree

Matrix

0085-maximal-rectangle
1975-maximum-matrix-sum

Stack

0085-maximal-rectangle

Monotonic Stack

0085-maximal-rectangle

Geometry

1266-minimum-time-visiting-all-points
3047-find-the-largest-area-of-square-inside-two-rectangles

Line Sweep

3454-separate-squares-ii

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In this repo you can find all the leet code problems I have solved you can open the files and checkout the solutions.

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