Data-Structures-and-Algorithms

Dedicated repo for all my algorithmic problems I tackle, serving as a comprehensive resource for my journey in mastering data structures and algorithms

LeetCode Topics

Array

0004-median-of-two-sorted-arrays
0033-search-in-rotated-sorted-array
0034-find-first-and-last-position-of-element-in-sorted-array
0035-search-insert-position
0074-search-a-2d-matrix
0081-search-in-rotated-sorted-array-ii
0088-merge-sorted-array
0152-maximum-product-subarray
0153-find-minimum-in-rotated-sorted-array
0162-find-peak-element
0240-search-a-2d-matrix-ii
0410-split-array-largest-sum
0493-reverse-pairs
0540-single-element-in-a-sorted-array
0792-binary-search
0907-koko-eating-bananas
1056-capacity-to-ship-packages-within-d-days
1408-find-the-smallest-divisor-given-a-threshold
1605-minimum-number-of-days-to-make-m-bouquets
1646-kth-missing-positive-number
2047-find-a-peak-element-ii
3227-find-missing-and-repeated-values

Hash Table

0013-roman-to-integer
0141-linked-list-cycle
0205-isomorphic-strings
0242-valid-anagram
0451-sort-characters-by-frequency
1890-sum-of-beauty-of-all-substrings
3227-find-missing-and-repeated-values

Math

0013-roman-to-integer
2032-largest-odd-number-in-string
3227-find-missing-and-repeated-values

Matrix

0074-search-a-2d-matrix
0240-search-a-2d-matrix-ii
2047-find-a-peak-element-ii
3227-find-missing-and-repeated-values

Two Pointers

0005-longest-palindromic-substring
0088-merge-sorted-array
0141-linked-list-cycle
0151-reverse-words-in-a-string
0908-middle-of-the-linked-list

Sorting

0088-merge-sorted-array
0242-valid-anagram
0451-sort-characters-by-frequency

Binary Search

0004-median-of-two-sorted-arrays
0033-search-in-rotated-sorted-array
0034-find-first-and-last-position-of-element-in-sorted-array
0035-search-insert-position
0074-search-a-2d-matrix
0081-search-in-rotated-sorted-array-ii
0153-find-minimum-in-rotated-sorted-array
0162-find-peak-element
0240-search-a-2d-matrix-ii
0410-split-array-largest-sum
0493-reverse-pairs
0540-single-element-in-a-sorted-array
0792-binary-search
0907-koko-eating-bananas
1056-capacity-to-ship-packages-within-d-days
1408-find-the-smallest-divisor-given-a-threshold
1605-minimum-number-of-days-to-make-m-bouquets
1646-kth-missing-positive-number
2047-find-a-peak-element-ii

Divide and Conquer

0004-median-of-two-sorted-arrays
0240-search-a-2d-matrix-ii
0493-reverse-pairs

Binary Indexed Tree

0493-reverse-pairs

Segment Tree

0493-reverse-pairs

Merge Sort

0493-reverse-pairs

Ordered Set

0493-reverse-pairs

Dynamic Programming

0005-longest-palindromic-substring
0152-maximum-product-subarray
0410-split-array-largest-sum

Greedy

0410-split-array-largest-sum
2032-largest-odd-number-in-string

Prefix Sum

0410-split-array-largest-sum

String

0005-longest-palindromic-substring
0008-string-to-integer-atoi
0013-roman-to-integer
0014-longest-common-prefix
0151-reverse-words-in-a-string
0205-isomorphic-strings
0242-valid-anagram
0451-sort-characters-by-frequency
0812-rotate-string
1078-remove-outermost-parentheses
1737-maximum-nesting-depth-of-the-parentheses
1890-sum-of-beauty-of-all-substrings
2032-largest-odd-number-in-string

Stack

1078-remove-outermost-parentheses
1737-maximum-nesting-depth-of-the-parentheses

Trie

0014-longest-common-prefix

String Matching

0812-rotate-string

Heap (Priority Queue)

0451-sort-characters-by-frequency

Bucket Sort

0451-sort-characters-by-frequency

Counting

0451-sort-characters-by-frequency
1890-sum-of-beauty-of-all-substrings

Linked List

0141-linked-list-cycle
0206-reverse-linked-list
0237-delete-node-in-a-linked-list
0908-middle-of-the-linked-list

Recursion

0206-reverse-linked-list