suraj15march / leetcode

LeetCode Topics

Math

0007-reverse-integer
0268-missing-number
1378-cells-with-odd-values-in-a-matrix
2608-count-the-digits-that-divide-a-number

Two Pointers

0028-find-the-index-of-the-first-occurrence-in-a-string
0125-valid-palindrome

String

0020-valid-parentheses
0028-find-the-index-of-the-first-occurrence-in-a-string
0038-count-and-say
0058-length-of-last-word
0125-valid-palindrome
1994-minimum-number-of-swaps-to-make-the-binary-string-alternating
2847-find-maximum-number-of-string-pairs

Stack

0020-valid-parentheses

Array

0001-two-sum
0034-find-first-and-last-position-of-element-in-sorted-array
0054-spiral-matrix
0200-number-of-islands
0217-contains-duplicate
0238-product-of-array-except-self
0268-missing-number
1036-rotting-oranges
1378-cells-with-odd-values-in-a-matrix
2058-concatenation-of-array
2684-determine-the-winner-of-a-bowling-game
2847-find-maximum-number-of-string-pairs

Breadth-First Search

0200-number-of-islands
1036-rotting-oranges

Matrix

0054-spiral-matrix
0200-number-of-islands
1036-rotting-oranges

Depth-First Search

0200-number-of-islands

Union Find

0200-number-of-islands

Binary Search

0034-find-first-and-last-position-of-element-in-sorted-array
0268-missing-number

String Matching

0028-find-the-index-of-the-first-occurrence-in-a-string

Simulation

0054-spiral-matrix
1378-cells-with-odd-values-in-a-matrix
2058-concatenation-of-array
2684-determine-the-winner-of-a-bowling-game
2847-find-maximum-number-of-string-pairs

Hash Table

0001-two-sum
0217-contains-duplicate
0268-missing-number
2847-find-maximum-number-of-string-pairs

Greedy

1994-minimum-number-of-swaps-to-make-the-binary-string-alternating

Database

0175-combine-two-tables
0181-employees-earning-more-than-their-managers
0182-duplicate-emails

Prefix Sum

0238-product-of-array-except-self

Sorting

0217-contains-duplicate
0268-missing-number

Bit Manipulation

0268-missing-number