Leetcode

LeetCode Topics

Math

0007-reverse-integer
0070-climbing-stairs
0189-rotate-array

Two Pointers

0005-longest-palindromic-substring
0075-sort-colors
0125-valid-palindrome
0189-rotate-array
0283-move-zeroes
0647-palindromic-substrings
1486-find-the-distance-value-between-two-arrays

String

0003-longest-substring-without-repeating-characters
0005-longest-palindromic-substring
0125-valid-palindrome
0647-palindromic-substrings
3872-find-most-frequent-vowel-and-consonant

Array

0039-combination-sum
0040-combination-sum-ii
0075-sort-colors
0152-maximum-product-subarray
0169-majority-element
0189-rotate-array
0229-majority-element-ii
0283-move-zeroes
0485-max-consecutive-ones
0566-reshape-the-matrix
0747-min-cost-climbing-stairs
1486-find-the-distance-value-between-two-arrays
1580-shuffle-the-array

Hash Table

0003-longest-substring-without-repeating-characters
0169-majority-element
0229-majority-element-ii
3872-find-most-frequent-vowel-and-consonant

Counting

0169-majority-element
0229-majority-element-ii
3872-find-most-frequent-vowel-and-consonant

Sorting

0075-sort-colors
0169-majority-element
0229-majority-element-ii
1486-find-the-distance-value-between-two-arrays

Divide and Conquer

0169-majority-element

Stack

0937-online-stock-span

Design

0937-online-stock-span

Monotonic Stack

0937-online-stock-span

Data Stream

0937-online-stock-span

Dynamic Programming

0005-longest-palindromic-substring
0070-climbing-stairs
0152-maximum-product-subarray
0647-palindromic-substrings
0747-min-cost-climbing-stairs

Sliding Window

0003-longest-substring-without-repeating-characters

Matrix

0566-reshape-the-matrix

Simulation

0566-reshape-the-matrix

Binary Search

1486-find-the-distance-value-between-two-arrays

Memoization

0070-climbing-stairs

Backtracking

0039-combination-sum
0040-combination-sum-ii