code-with-dada

A collection of LeetCode questions to ace the coding interview!

LeetCode Topics

Math

3756-concatenate-non-zero-digits-and-multiply-by-sum-ii

String

0010-regular-expression-matching
0030-substring-with-concatenation-of-all-words
0032-longest-valid-parentheses
3756-concatenate-non-zero-digits-and-multiply-by-sum-ii

Prefix Sum

3719-longest-balanced-subarray-i
3756-concatenate-non-zero-digits-and-multiply-by-sum-ii

Divide and Conquer

0004-median-of-two-sorted-arrays
0023-merge-k-sorted-lists
1382-balance-a-binary-search-tree
3719-longest-balanced-subarray-i

Greedy

1382-balance-a-binary-search-tree

Tree

1382-balance-a-binary-search-tree

Depth-First Search

1382-balance-a-binary-search-tree

Binary Search Tree

0004-median-of-two-sorted-arrays
1382-balance-a-binary-search-tree
3532-path-existence-queries-in-a-graph-i

Binary Tree

1382-balance-a-binary-search-tree

Array

0004-median-of-two-sorted-arrays
0084-largest-rectangle-in-histogram
0188-best-time-to-buy-and-sell-stock-iv
3532-path-existence-queries-in-a-graph-i
3719-longest-balanced-subarray-i

Hash Table

0030-substring-with-concatenation-of-all-words
3532-path-existence-queries-in-a-graph-i
3719-longest-balanced-subarray-i

Segment Tree

3719-longest-balanced-subarray-i

Union-Find

3532-path-existence-queries-in-a-graph-i

Graph Theory

3532-path-existence-queries-in-a-graph-i

Dynamic Programming

0010-regular-expression-matching
0032-longest-valid-parentheses
0188-best-time-to-buy-and-sell-stock-iv

Recursion

0010-regular-expression-matching
0025-reverse-nodes-in-k-group

Linked List

0023-merge-k-sorted-lists
0025-reverse-nodes-in-k-group

Heap (Priority Queue)

0023-merge-k-sorted-lists

Merge Sort

0023-merge-k-sorted-lists

Stack

0032-longest-valid-parentheses
0084-largest-rectangle-in-histogram

Monotonic Stack

0084-largest-rectangle-in-histogram

Sliding Window

0030-substring-with-concatenation-of-all-words