leetcode_practice

LeetCode Topics

Array

0014-longest-common-prefix
0015-3sum
0018-4sum
0053-maximum-subarray
0118-pascals-triangle
0169-majority-element
0229-majority-element-ii
2461-maximum-sum-of-distinct-subarrays-with-length-k

Two Pointers

0015-3sum
0018-4sum
0061-rotate-list
0082-remove-duplicates-from-sorted-list-ii
0143-reorder-list
0148-sort-list
1768-merge-strings-alternately
2095-delete-the-middle-node-of-a-linked-list

Sorting

0015-3sum
0018-4sum
0148-sort-list
0169-majority-element
0229-majority-element-ii

Divide and Conquer

0053-maximum-subarray
0148-sort-list
0169-majority-element

Dynamic Programming

0053-maximum-subarray
0118-pascals-triangle

Linked List

0025-reverse-nodes-in-k-group
0061-rotate-list
0082-remove-duplicates-from-sorted-list-ii
0083-remove-duplicates-from-sorted-list
0143-reorder-list
0148-sort-list
2095-delete-the-middle-node-of-a-linked-list

Merge Sort

0148-sort-list

String

0003-longest-substring-without-repeating-characters
0014-longest-common-prefix
0205-isomorphic-strings
1021-remove-outermost-parentheses
1768-merge-strings-alternately
1903-largest-odd-number-in-string

Stack

0143-reorder-list
1021-remove-outermost-parentheses

Bracket Sequences

1021-remove-outermost-parentheses

Math

1903-largest-odd-number-in-string

Greedy

1903-largest-odd-number-in-string

Trie

0014-longest-common-prefix

Hash Table

0003-longest-substring-without-repeating-characters
0169-majority-element
0205-isomorphic-strings
0229-majority-element-ii
2461-maximum-sum-of-distinct-subarrays-with-length-k

Counting

0169-majority-element
0229-majority-element-ii

Boyer–Moore Majority Vote Algorithm

0169-majority-element
0229-majority-element-ii

Sliding Window

0003-longest-substring-without-repeating-characters
2461-maximum-sum-of-distinct-subarrays-with-length-k

Recursion

0025-reverse-nodes-in-k-group
0143-reorder-list