leetcode-dsa-sql

LeetCode Topics

Array

0001-two-sum
0015-3sum
0018-4sum
0026-remove-duplicates-from-sorted-array
0031-next-permutation
0048-rotate-image
0053-maximum-subarray
0054-spiral-matrix
0056-merge-intervals
0073-set-matrix-zeroes
0075-sort-colors
0088-merge-sorted-array
0118-pascals-triangle
0121-best-time-to-buy-and-sell-stock
0128-longest-consecutive-sequence
0136-single-number
0152-maximum-product-subarray
0169-majority-element
0189-rotate-array
0229-majority-element-ii
0268-missing-number
0283-move-zeroes
0485-max-consecutive-ones
0493-reverse-pairs
0560-subarray-sum-equals-k
1878-check-if-array-is-sorted-and-rotated
2271-rearrange-array-elements-by-sign

Hash Table

0001-two-sum
0073-set-matrix-zeroes
0128-longest-consecutive-sequence
0169-majority-element
0229-majority-element-ii
0268-missing-number
0560-subarray-sum-equals-k

Two Pointers

0015-3sum
0018-4sum
0026-remove-duplicates-from-sorted-array
0031-next-permutation
0075-sort-colors
0088-merge-sorted-array
0189-rotate-array
0283-move-zeroes
2271-rearrange-array-elements-by-sign

Math

0048-rotate-image
0189-rotate-array
0268-missing-number

Binary Search

0268-missing-number
0493-reverse-pairs

Bit Manipulation

0136-single-number
0268-missing-number

Sorting

0015-3sum
0018-4sum
0056-merge-intervals
0075-sort-colors
0088-merge-sorted-array
0169-majority-element
0229-majority-element-ii
0268-missing-number

Divide and Conquer

0053-maximum-subarray
0169-majority-element
0493-reverse-pairs

Counting

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

Dynamic Programming

0053-maximum-subarray
0118-pascals-triangle
0121-best-time-to-buy-and-sell-stock
0152-maximum-product-subarray

Simulation

0054-spiral-matrix
2271-rearrange-array-elements-by-sign

Union Find

0128-longest-consecutive-sequence

Matrix

0048-rotate-image
0054-spiral-matrix
0073-set-matrix-zeroes

Prefix Sum

0560-subarray-sum-equals-k

Binary Indexed Tree

0493-reverse-pairs

Segment Tree

0493-reverse-pairs

Merge Sort

0493-reverse-pairs

Ordered Set

0493-reverse-pairs