leetcode problems

LeetCode Topics

Math

0007-reverse-integer
0009-palindrome-number
0258-add-digits
0412-fizz-buzz
1013-fibonacci-number

Dynamic Programming

0005-longest-palindromic-substring
1013-fibonacci-number

Recursion

1013-fibonacci-number

Memoization

1013-fibonacci-number

String

0005-longest-palindromic-substring
0014-longest-common-prefix
0017-letter-combinations-of-a-phone-number
0020-valid-parentheses
0028-find-the-index-of-the-first-occurrence-in-a-string
0058-length-of-last-word
0412-fizz-buzz
1566-check-if-a-word-occurs-as-a-prefix-of-any-word-in-a-sentence
2292-counting-words-with-a-given-prefix

Stack

0020-valid-parentheses

Array

0001-two-sum
0026-remove-duplicates-from-sorted-array
0027-remove-element
0035-search-insert-position
0054-spiral-matrix
0136-single-number
0169-majority-element
0217-contains-duplicate
1137-height-checker
1468-check-if-n-and-its-double-exist
2292-counting-words-with-a-given-prefix

Matrix

0054-spiral-matrix

Simulation

0054-spiral-matrix
0258-add-digits
0412-fizz-buzz

Two Pointers

0005-longest-palindromic-substring
0026-remove-duplicates-from-sorted-array
0027-remove-element
0028-find-the-index-of-the-first-occurrence-in-a-string
1468-check-if-n-and-its-double-exist
1566-check-if-a-word-occurs-as-a-prefix-of-any-word-in-a-sentence

Hash Table

0001-two-sum
0017-letter-combinations-of-a-phone-number
0169-majority-element
0217-contains-duplicate
1468-check-if-n-and-its-double-exist

Number Theory

0258-add-digits

Binary Search

0035-search-insert-position
1468-check-if-n-and-its-double-exist

Sorting

0169-majority-element
0217-contains-duplicate
1137-height-checker
1468-check-if-n-and-its-double-exist

String Matching

0028-find-the-index-of-the-first-occurrence-in-a-string
1566-check-if-a-word-occurs-as-a-prefix-of-any-word-in-a-sentence
2292-counting-words-with-a-given-prefix

Divide and Conquer

0169-majority-element

Counting

0169-majority-element

Trie

0014-longest-common-prefix

Bit Manipulation

0136-single-number

Counting Sort

1137-height-checker

Backtracking

0017-letter-combinations-of-a-phone-number