DSA-on-Leetcode

This repository contains solutions to Leetcode problems submitted on Leetcode

LeetCode Topics

Linked List

0082-remove-duplicates-from-sorted-list-ii
0141-linked-list-cycle
0142-linked-list-cycle-ii
0234-palindrome-linked-list
0908-middle-of-the-linked-list
1411-convert-binary-number-in-a-linked-list-to-integer

Two Pointers

0015-3sum
0016-3sum-closest
0018-4sum
0080-remove-duplicates-from-sorted-array-ii
0082-remove-duplicates-from-sorted-list-ii
0125-valid-palindrome
0141-linked-list-cycle
0142-linked-list-cycle-ii
0202-happy-number
0234-palindrome-linked-list
0287-find-the-duplicate-number
0581-shortest-unsorted-continuous-subarray
0874-backspace-string-compare
0908-middle-of-the-linked-list
1019-squares-of-a-sorted-array
1168-duplicate-zeros
2497-maximum-matching-of-players-with-trainers

Array

0015-3sum
0016-3sum-closest
0018-4sum
0080-remove-duplicates-from-sorted-array-ii
0287-find-the-duplicate-number
0581-shortest-unsorted-continuous-subarray
0713-subarray-product-less-than-k
1019-squares-of-a-sorted-array
1168-duplicate-zeros
2497-maximum-matching-of-players-with-trainers

Binary Search

0287-find-the-duplicate-number
0713-subarray-product-less-than-k

Bit Manipulation

0287-find-the-duplicate-number

Sorting

0015-3sum
0016-3sum-closest
0018-4sum
0581-shortest-unsorted-continuous-subarray
1019-squares-of-a-sorted-array
2497-maximum-matching-of-players-with-trainers

Sliding Window

0713-subarray-product-less-than-k

Prefix Sum

0713-subarray-product-less-than-k

Greedy

0581-shortest-unsorted-continuous-subarray
2497-maximum-matching-of-players-with-trainers

String

0125-valid-palindrome
0874-backspace-string-compare
3396-valid-word

Stack

0234-palindrome-linked-list
0581-shortest-unsorted-continuous-subarray
0874-backspace-string-compare

Simulation

0874-backspace-string-compare

Math

0202-happy-number
1411-convert-binary-number-in-a-linked-list-to-integer

Monotonic Stack

0581-shortest-unsorted-continuous-subarray

Hash Table

0141-linked-list-cycle
0142-linked-list-cycle-ii
0202-happy-number

Recursion

0234-palindrome-linked-list