Leetcode

LeetCode Topics

String

0768-partition-labels
1006-vowel-spellchecker
2220-find-all-possible-recipes-from-given-supplies
2346-largest-3-same-digit-number-in-string

Linked List

0109-convert-sorted-list-to-binary-search-tree

Divide and Conquer

0109-convert-sorted-list-to-binary-search-tree

Tree

0109-convert-sorted-list-to-binary-search-tree

Binary Search Tree

0109-convert-sorted-list-to-binary-search-tree

Binary Tree

0109-convert-sorted-list-to-binary-search-tree

Math

0342-power-of-four
0867-new-21-game
1426-find-n-unique-integers-sum-up-to-zero
1440-convert-integer-to-the-sum-of-two-no-zero-integers
1448-maximum-69-number
2307-replace-non-coprime-numbers-in-array
2432-number-of-zero-filled-subarrays
3001-apply-operations-to-maximize-score
3279-alice-and-bob-playing-flower-game
3744-minimum-operations-to-make-array-elements-zero
3830-find-closest-person

Bit Manipulation

0342-power-of-four
3744-minimum-operations-to-make-array-elements-zero

Recursion

0342-power-of-four

Greedy

0768-partition-labels
1448-maximum-69-number
1917-maximum-average-pass-ratio
3001-apply-operations-to-maximize-score

Array

0036-valid-sudoku
0037-sudoku-solver
0498-diagonal-traverse
1006-vowel-spellchecker
1402-count-square-submatrices-with-all-ones
1426-find-n-unique-integers-sum-up-to-zero
1586-longest-subarray-of-1s-after-deleting-one-element
1628-count-submatrices-with-all-ones
1917-maximum-average-pass-ratio
2220-find-all-possible-recipes-from-given-supplies
2307-replace-non-coprime-numbers-in-array
2432-number-of-zero-filled-subarrays
3001-apply-operations-to-maximize-score
3152-maximum-value-of-an-ordered-triplet-ii
3251-maximum-area-of-longest-diagonal-rectangle
3461-find-the-minimum-area-to-cover-all-ones-i
3733-length-of-longest-v-shaped-diagonal-segment
3744-minimum-operations-to-make-array-elements-zero

Hash Table

0036-valid-sudoku
0037-sudoku-solver
0768-partition-labels
1006-vowel-spellchecker
2220-find-all-possible-recipes-from-given-supplies

Backtracking

0037-sudoku-solver

Matrix

0036-valid-sudoku
0037-sudoku-solver
0498-diagonal-traverse
1402-count-square-submatrices-with-all-ones
1628-count-submatrices-with-all-ones
3461-find-the-minimum-area-to-cover-all-ones-i
3733-length-of-longest-v-shaped-diagonal-segment

Dynamic Programming

0867-new-21-game
1402-count-square-submatrices-with-all-ones
1586-longest-subarray-of-1s-after-deleting-one-element
1628-count-submatrices-with-all-ones
2408-number-of-people-aware-of-a-secret
3733-length-of-longest-v-shaped-diagonal-segment

Sliding Window

0867-new-21-game
1586-longest-subarray-of-1s-after-deleting-one-element

Probability and Statistics

0867-new-21-game

Graph

2220-find-all-possible-recipes-from-given-supplies

Topological Sort

2220-find-all-possible-recipes-from-given-supplies

Stack

1628-count-submatrices-with-all-ones
2307-replace-non-coprime-numbers-in-array
3001-apply-operations-to-maximize-score

Monotonic Stack

1628-count-submatrices-with-all-ones
3001-apply-operations-to-maximize-score

Sorting

3001-apply-operations-to-maximize-score

Number Theory

2307-replace-non-coprime-numbers-in-array
3001-apply-operations-to-maximize-score

Simulation

0498-diagonal-traverse
2408-number-of-people-aware-of-a-secret

Two Pointers

0768-partition-labels

Memoization

3733-length-of-longest-v-shaped-diagonal-segment

Heap (Priority Queue)

1917-maximum-average-pass-ratio

Queue

2408-number-of-people-aware-of-a-secret