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DSA---Leetcode

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

LeetCode Topics

Array

0001-two-sum
0004-median-of-two-sorted-arrays
0014-longest-common-prefix
0053-maximum-subarray
0121-best-time-to-buy-and-sell-stock
0162-find-peak-element
0198-house-robber
0283-move-zeroes
0414-third-maximum-number
0500-keyboard-row
0560-subarray-sum-equals-k
0896-monotonic-array
1480-running-sum-of-1d-array
1991-find-the-middle-index-in-array

Binary Search

0004-median-of-two-sorted-arrays
0162-find-peak-element

Dynamic Programming

0053-maximum-subarray
0121-best-time-to-buy-and-sell-stock
0198-house-robber

Divide and Conquer

0004-median-of-two-sorted-arrays
0053-maximum-subarray

Hash Table

0001-two-sum
0013-roman-to-integer
0242-valid-anagram
0387-first-unique-character-in-a-string
0500-keyboard-row
0560-subarray-sum-equals-k

String

0013-roman-to-integer
0014-longest-common-prefix
0028-find-the-index-of-the-first-occurrence-in-a-string
0058-length-of-last-word
0125-valid-palindrome
0171-excel-sheet-column-number
0242-valid-anagram
0344-reverse-string
0387-first-unique-character-in-a-string
0412-fizz-buzz
0500-keyboard-row
0520-detect-capital
0557-reverse-words-in-a-string-iii
0709-to-lower-case
2315-count-asterisks

Two Pointers

0028-find-the-index-of-the-first-occurrence-in-a-string
0125-valid-palindrome
0283-move-zeroes
0344-reverse-string
0557-reverse-words-in-a-string-iii

Math

0009-palindrome-number
0013-roman-to-integer
0171-excel-sheet-column-number
0412-fizz-buzz
3754-concatenate-non-zero-digits-and-multiply-by-sum-i

Sorting

0242-valid-anagram
0414-third-maximum-number

Prefix Sum

0560-subarray-sum-equals-k
1480-running-sum-of-1d-array
1991-find-the-middle-index-in-array

Queue

0387-first-unique-character-in-a-string

Counting

0387-first-unique-character-in-a-string

Trie

0014-longest-common-prefix

Simulation

0412-fizz-buzz

String Matching

0028-find-the-index-of-the-first-occurrence-in-a-string