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

LeetCode Topics

Array

0004-median-of-two-sorted-arrays
0011-container-with-most-water
0015-3sum
0033-search-in-rotated-sorted-array
0036-valid-sudoku
0042-trapping-rain-water
0074-search-a-2d-matrix
0121-best-time-to-buy-and-sell-stock
0128-longest-consecutive-sequence
0153-find-minimum-in-rotated-sorted-array
0167-two-sum-ii-input-array-is-sorted
0238-product-of-array-except-self
0347-top-k-frequent-elements
0739-daily-temperatures
0792-binary-search
0883-car-fleet
0907-koko-eating-bananas
2169-simple-bank-system

Hash Table

0003-longest-substring-without-repeating-characters
0036-valid-sudoku
0128-longest-consecutive-sequence
0347-top-k-frequent-elements
0424-longest-repeating-character-replacement
0567-permutation-in-string
1023-time-based-key-value-store
2169-simple-bank-system

Divide and Conquer

0004-median-of-two-sorted-arrays
0347-top-k-frequent-elements

Sorting

0015-3sum
0347-top-k-frequent-elements
0883-car-fleet

Heap (Priority Queue)

0347-top-k-frequent-elements

Bucket Sort

0347-top-k-frequent-elements

Counting

0347-top-k-frequent-elements

Quickselect

0347-top-k-frequent-elements

Prefix Sum

0238-product-of-array-except-self

Matrix

0036-valid-sudoku
0074-search-a-2d-matrix

Union Find

0128-longest-consecutive-sequence

Two Pointers

0011-container-with-most-water
0015-3sum
0042-trapping-rain-water
0125-valid-palindrome
0167-two-sum-ii-input-array-is-sorted
0567-permutation-in-string

String

0003-longest-substring-without-repeating-characters
0020-valid-parentheses
0022-generate-parentheses
0125-valid-palindrome
0424-longest-repeating-character-replacement
0567-permutation-in-string
1023-time-based-key-value-store

Binary Search

0004-median-of-two-sorted-arrays
0033-search-in-rotated-sorted-array
0074-search-a-2d-matrix
0153-find-minimum-in-rotated-sorted-array
0167-two-sum-ii-input-array-is-sorted
0792-binary-search
0907-koko-eating-bananas
1023-time-based-key-value-store

Greedy

0011-container-with-most-water

Stack

0020-valid-parentheses
0042-trapping-rain-water
0155-min-stack
0739-daily-temperatures
0883-car-fleet

Design

0155-min-stack
1023-time-based-key-value-store
2169-simple-bank-system

Dynamic Programming

0022-generate-parentheses
0042-trapping-rain-water
0121-best-time-to-buy-and-sell-stock

Monotonic Stack

0042-trapping-rain-water
0739-daily-temperatures
0883-car-fleet

Backtracking

0022-generate-parentheses

Sliding Window

0003-longest-substring-without-repeating-characters
0424-longest-repeating-character-replacement
0567-permutation-in-string

Simulation

2169-simple-bank-system