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Competitive-Programming.

This repository serves as a centralized location for my LeetCode solutions.

LeetCode Topics

Array

0001-two-sum
0004-median-of-two-sorted-arrays
0034-find-first-and-last-position-of-element-in-sorted-array
0035-search-insert-position
0049-group-anagrams
0200-number-of-islands
0304-range-sum-query-2d-immutable
0560-subarray-sum-equals-k
0724-find-pivot-index
0733-flood-fill
0792-binary-search
1603-running-sum-of-1d-array
2144-maximum-difference-between-increasing-elements
2387-partition-array-such-that-maximum-difference-is-k
2720-minimize-the-maximum-difference-of-pairs
3747-maximum-difference-between-adjacent-elements-in-a-circular-array

Hash Table

0001-two-sum
0003-longest-substring-without-repeating-characters
0012-integer-to-roman
0013-roman-to-integer
0049-group-anagrams
0383-ransom-note
0560-subarray-sum-equals-k
0782-jewels-and-stones
1160-letter-tile-possibilities
3753-maximum-difference-between-even-and-odd-frequency-i

Binary Search

0004-median-of-two-sorted-arrays
0034-find-first-and-last-position-of-element-in-sorted-array
0035-search-insert-position
0069-sqrtx
0792-binary-search
2720-minimize-the-maximum-difference-of-pairs

Divide and Conquer

0004-median-of-two-sorted-arrays

Math

0012-integer-to-roman
0013-roman-to-integer
0069-sqrtx
1529-max-difference-you-can-get-from-changing-an-integer
2704-maximum-difference-by-remapping-a-digit

String

0003-longest-substring-without-repeating-characters
0012-integer-to-roman
0013-roman-to-integer
0049-group-anagrams
0383-ransom-note
0782-jewels-and-stones
1160-letter-tile-possibilities
1894-merge-strings-alternately
3753-maximum-difference-between-even-and-odd-frequency-i

Sorting

0049-group-anagrams
2387-partition-array-such-that-maximum-difference-is-k

Counting

0383-ransom-note
1160-letter-tile-possibilities
3753-maximum-difference-between-even-and-odd-frequency-i

Two Pointers

1894-merge-strings-alternately

Linked List

0206-reverse-linked-list

Recursion

0206-reverse-linked-list

Tree

0104-maximum-depth-of-binary-tree

Depth-First Search

0104-maximum-depth-of-binary-tree
0200-number-of-islands
0547-number-of-provinces
0733-flood-fill
2121-find-if-path-exists-in-graph

Breadth-First Search

0104-maximum-depth-of-binary-tree
0200-number-of-islands
0547-number-of-provinces
0733-flood-fill
2121-find-if-path-exists-in-graph

Binary Tree

0104-maximum-depth-of-binary-tree

Union Find

0200-number-of-islands
0547-number-of-provinces
2121-find-if-path-exists-in-graph

Graph

0547-number-of-provinces
2121-find-if-path-exists-in-graph

Matrix

0200-number-of-islands
0304-range-sum-query-2d-immutable
0733-flood-fill

Prefix Sum

0304-range-sum-query-2d-immutable
0560-subarray-sum-equals-k
0724-find-pivot-index
1603-running-sum-of-1d-array

Design

0304-range-sum-query-2d-immutable

Sliding Window

0003-longest-substring-without-repeating-characters

Greedy

1529-max-difference-you-can-get-from-changing-an-integer
2387-partition-array-such-that-maximum-difference-is-k
2704-maximum-difference-by-remapping-a-digit
2720-minimize-the-maximum-difference-of-pairs

Backtracking

1160-letter-tile-possibilities

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Serves as a centralized location for my LeetCode solutions.

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