LeetCode-Questions-Library

A collection of LeetCode questions to ace the coding interview! - Created using LeetHub v2

LeetCode Topics

Array

0001-two-sum
0026-remove-duplicates-from-sorted-array
0027-remove-element
0035-search-insert-position
0066-plus-one
0136-single-number
0217-contains-duplicate
1470-shuffle-the-array
1662-check-if-two-string-arrays-are-equivalent
1684-count-the-number-of-consistent-strings
1732-find-the-highest-altitude
1920-build-array-from-permutation
1929-concatenation-of-array
1967-number-of-strings-that-appear-as-substrings-in-word
2011-final-value-of-variable-after-performing-operations
2418-sort-the-people
2553-separate-the-digits-in-an-array
2942-find-words-containing-character
3190-find-minimum-operations-to-make-all-elements-divisible-by-three
3289-the-two-sneaky-numbers-of-digitville
3467-transform-array-by-parity
3668-restore-finishing-order
3701-compute-alternating-sum
3731-find-missing-elements
3898-find-the-degree-of-each-vertex
3925-concatenate-array-with-reverse

Binary Search

0035-search-insert-position

Math

0007-reverse-integer
0009-palindrome-number
0013-roman-to-integer
0066-plus-one
0231-power-of-two
0412-fizz-buzz
1281-subtract-the-product-and-sum-of-digits-of-an-integer
1342-number-of-steps-to-reduce-a-number-to-zero
2396-strictly-palindromic-number
2413-smallest-even-multiple
2469-convert-the-temperature
2520-count-the-digits-that-divide-a-number
2652-sum-multiples
2894-divisible-and-non-divisible-sums-difference
3190-find-minimum-operations-to-make-all-elements-divisible-by-three
3280-convert-date-to-binary
3289-the-two-sneaky-numbers-of-digitville
3516-find-closest-person
3783-mirror-distance-of-an-integer
3945-digit-frequency-score

Hash Table

0001-two-sum
0013-roman-to-integer
0217-contains-duplicate
0242-valid-anagram
0387-first-unique-character-in-a-string
0771-jewels-and-stones
1684-count-the-number-of-consistent-strings
2418-sort-the-people
3289-the-two-sneaky-numbers-of-digitville
3668-restore-finishing-order
3731-find-missing-elements
3945-digit-frequency-score

String

0013-roman-to-integer
0125-valid-palindrome
0242-valid-anagram
0344-reverse-string
0387-first-unique-character-in-a-string
0412-fizz-buzz
0557-reverse-words-in-a-string-iii
0709-to-lower-case
0771-jewels-and-stones
1108-defanging-an-ip-address
1662-check-if-two-string-arrays-are-equivalent
1684-count-the-number-of-consistent-strings
1967-number-of-strings-that-appear-as-substrings-in-word
2011-final-value-of-variable-after-performing-operations
2418-sort-the-people
2942-find-words-containing-character
3110-score-of-a-string
3280-convert-date-to-binary
3498-reverse-degree-of-a-string
3794-reverse-string-prefix

Linked List

0021-merge-two-sorted-lists

Recursion

0021-merge-two-sorted-lists
0231-power-of-two

Two Pointers

0026-remove-duplicates-from-sorted-array
0027-remove-element
0125-valid-palindrome
0344-reverse-string
0557-reverse-words-in-a-string-iii
2396-strictly-palindromic-number
3794-reverse-string-prefix

Bit Manipulation

0136-single-number
0191-number-of-1-bits
0231-power-of-two
1009-complement-of-base-10-integer
1342-number-of-steps-to-reduce-a-number-to-zero
1684-count-the-number-of-consistent-strings

Divide and Conquer

0191-number-of-1-bits

Sorting

0217-contains-duplicate
0242-valid-anagram
2418-sort-the-people
3467-transform-array-by-parity
3731-find-missing-elements

Queue

0387-first-unique-character-in-a-string

Counting

0387-first-unique-character-in-a-string
1684-count-the-number-of-consistent-strings
3467-transform-array-by-parity

Simulation

0412-fizz-buzz
1920-build-array-from-permutation
1929-concatenation-of-array
2011-final-value-of-variable-after-performing-operations
2553-separate-the-digits-in-an-array
3498-reverse-degree-of-a-string
3701-compute-alternating-sum
3925-concatenate-array-with-reverse

Prefix Sum

1732-find-the-highest-altitude

Graph Theory

3898-find-the-degree-of-each-vertex

Matrix

3898-find-the-degree-of-each-vertex

Brainteaser

2396-strictly-palindromic-number

Database

1757-recyclable-and-low-fat-products
2356-number-of-unique-subjects-taught-by-each-teacher

Number Theory

2413-smallest-even-multiple