LeetCode Topics

String

0415-add-strings
1537-maximum-score-after-splitting-a-string
2691-count-vowel-strings-in-ranges

Prefix Sum

1537-maximum-score-after-splitting-a-string
2691-count-vowel-strings-in-ranges

Array

0001-two-sum
2473-max-sum-of-a-pair-with-equal-sum-of-digits
2691-count-vowel-strings-in-ranges
3429-special-array-i

Math

0002-add-two-numbers
0415-add-strings

Simulation

0415-add-strings

Hash Table

0001-two-sum
0141-linked-list-cycle
0142-linked-list-cycle-ii
0160-intersection-of-two-linked-lists
2473-max-sum-of-a-pair-with-equal-sum-of-digits

Linked List

0002-add-two-numbers
0019-remove-nth-node-from-end-of-list
0021-merge-two-sorted-lists
0141-linked-list-cycle
0142-linked-list-cycle-ii
0160-intersection-of-two-linked-lists
0206-reverse-linked-list
0234-palindrome-linked-list
0237-delete-node-in-a-linked-list
0328-odd-even-linked-list
0908-middle-of-the-linked-list
2216-delete-the-middle-node-of-a-linked-list

Recursion

0002-add-two-numbers
0021-merge-two-sorted-lists
0206-reverse-linked-list
0234-palindrome-linked-list

Two Pointers

0019-remove-nth-node-from-end-of-list
0141-linked-list-cycle
0142-linked-list-cycle-ii
0160-intersection-of-two-linked-lists
0234-palindrome-linked-list
0908-middle-of-the-linked-list
2216-delete-the-middle-node-of-a-linked-list

Stack

0234-palindrome-linked-list

Sorting

2473-max-sum-of-a-pair-with-equal-sum-of-digits

Heap (Priority Queue)

2473-max-sum-of-a-pair-with-equal-sum-of-digits