leetcode

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

LeetCode Topics

Array

0039-combination-sum
0268-missing-number
0792-binary-search
1050-construct-binary-search-tree-from-preorder-traversal
1651-shuffle-string
1899-count-items-matching-a-rule
2169-simple-bank-system
2917-count-pairs-whose-sum-is-less-than-target
3446-find-the-number-of-good-pairs-i
3515-find-if-digit-game-can-be-won
3581-the-two-sneaky-numbers-of-digitville

Hash Table

0268-missing-number
1960-check-if-the-sentence-is-pangram
2169-simple-bank-system
2174-next-greater-numerically-balanced-number
2406-decode-the-message
3446-find-the-number-of-good-pairs-i
3581-the-two-sneaky-numbers-of-digitville

Math

0029-divide-two-integers
0268-missing-number
1448-maximum-69-number
1817-calculate-money-in-leetcode-bank
2174-next-greater-numerically-balanced-number
3515-find-if-digit-game-can-be-won
3581-the-two-sneaky-numbers-of-digitville

Binary Search

0268-missing-number
0792-binary-search
2917-count-pairs-whose-sum-is-less-than-target

Bit Manipulation

0029-divide-two-integers
0268-missing-number

Sorting

0268-missing-number
2917-count-pairs-whose-sum-is-less-than-target

Tree

0199-binary-tree-right-side-view
0226-invert-binary-tree
0450-delete-node-in-a-bst
0783-search-in-a-binary-search-tree
0784-insert-into-a-binary-search-tree
1050-construct-binary-search-tree-from-preorder-traversal

Depth-First Search

0199-binary-tree-right-side-view
0226-invert-binary-tree

Breadth-First Search

0199-binary-tree-right-side-view
0226-invert-binary-tree

Binary Tree

0199-binary-tree-right-side-view
0226-invert-binary-tree
0450-delete-node-in-a-bst
0783-search-in-a-binary-search-tree
0784-insert-into-a-binary-search-tree
1050-construct-binary-search-tree-from-preorder-traversal

Binary Search Tree

0450-delete-node-in-a-bst
0783-search-in-a-binary-search-tree
0784-insert-into-a-binary-search-tree
1050-construct-binary-search-tree-from-preorder-traversal

Stack

1050-construct-binary-search-tree-from-preorder-traversal

Monotonic Stack

1050-construct-binary-search-tree-from-preorder-traversal

Two Pointers

2917-count-pairs-whose-sum-is-less-than-target

Backtracking

0039-combination-sum
2174-next-greater-numerically-balanced-number

Greedy

1448-maximum-69-number

Database

0177-nth-highest-salary
0585-investments-in-2016

Counting

2174-next-greater-numerically-balanced-number

Enumeration

2174-next-greater-numerically-balanced-number

String

1651-shuffle-string
1899-count-items-matching-a-rule
1960-check-if-the-sentence-is-pangram
2406-decode-the-message

Design

2169-simple-bank-system

Simulation

2169-simple-bank-system