leet-code-solutions

LeetCode Topics

Array

0001-two-sum
0014-longest-common-prefix
0026-remove-duplicates-from-sorted-array
0027-remove-element
0035-search-insert-position
0066-plus-one
0136-single-number
0167-two-sum-ii-input-array-is-sorted
0169-majority-element
0204-count-primes
0283-move-zeroes
0349-intersection-of-two-arrays
0350-intersection-of-two-arrays-ii
1331-rank-transform-of-an-array
2231-find-first-palindromic-string-in-the-array
3321-type-of-triangle
3581-the-two-sneaky-numbers-of-digitville

Binary Search

0035-search-insert-position
0167-two-sum-ii-input-array-is-sorted
0349-intersection-of-two-arrays
0350-intersection-of-two-arrays-ii

Two Pointers

0026-remove-duplicates-from-sorted-array
0027-remove-element
0028-find-the-index-of-the-first-occurrence-in-a-string
0125-valid-palindrome
0167-two-sum-ii-input-array-is-sorted
0283-move-zeroes
0344-reverse-string
0349-intersection-of-two-arrays
0350-intersection-of-two-arrays-ii
2231-find-first-palindromic-string-in-the-array

String

0014-longest-common-prefix
0020-valid-parentheses
0028-find-the-index-of-the-first-occurrence-in-a-string
0125-valid-palindrome
0242-valid-anagram
0290-word-pattern
0344-reverse-string
0415-add-strings
0434-number-of-segments-in-a-string
2231-find-first-palindromic-string-in-the-array

Math

0009-palindrome-number
0066-plus-one
0204-count-primes
0258-add-digits
0415-add-strings
3321-type-of-triangle
3581-the-two-sneaky-numbers-of-digitville
3658-gcd-of-odd-and-even-sums

Sorting

0169-majority-element
0242-valid-anagram
0349-intersection-of-two-arrays
0350-intersection-of-two-arrays-ii
1331-rank-transform-of-an-array
3321-type-of-triangle

Hash Table

0001-two-sum
0169-majority-element
0242-valid-anagram
0290-word-pattern
0349-intersection-of-two-arrays
0350-intersection-of-two-arrays-ii
1331-rank-transform-of-an-array
3581-the-two-sneaky-numbers-of-digitville

Trie

0014-longest-common-prefix

Simulation

0258-add-digits
0415-add-strings

Number Theory

0204-count-primes
0258-add-digits
3658-gcd-of-odd-and-even-sums

Bit Manipulation

0136-single-number

Enumeration

0204-count-primes

Divide and Conquer

0169-majority-element

Counting

0169-majority-element

String Matching

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

Stack

0020-valid-parentheses

Linked List

0021-merge-two-sorted-lists

Recursion

0021-merge-two-sorted-lists