Leetcode Solutions

Solving problems on leetcode and writing lessons on Stepik

My Software Contributions (2084+ lines of code, 28+ lessons):

During Research (1,951 lines of code)

Remove Duplicates from a Sorted Array

  • Number of solutions: 5 solutions
  • Total lines of code: 96 lines of code

Plus One

  • Number of solutions: 6 solutions
  • Total lines of code: 149 lines of code

Pascal's Triangle

  • Number of solutions: 5 solutions
  • Total lines of code: 152 lines of code

Pascal's Triangle II

  • Number of solutions: 3 solutions
  • Total lines of code: 58 lines of code

Third Maximum Number

  • Number of solutions: 4 solutions
  • Total lines of code: 92 lines of code

Add Strings

  • Number of solutions: 3 solutions
  • Total lines of code: 79 lines of code

Most Common Word

  • Number of solutions: 3 solutions
  • Total lines of code: 191 lines of code

Length of Last Word

  • Number of solutions: 2 solutions
  • Total lines of code: 38 lines of code

Reverse String

  • Number of solutions: 4 solutions
  • Total lines of code: 48 lines of code

Reverse Vowels of a String

  • Number of solutions: 1 solutions
  • Total lines of code: 32 lines of code

Count and Say

  • Number of solutions: 4 solutions
  • Total lines of code: 129 lines of code

Defanging an IP Address

  • Number of solutions: 2 solutions
  • Total lines of code: 30 lines of code

Longest Common Prefix

  • Number of solutions: 2 solutions
  • Total lines of code: 40 lines of code

Reverse Words in a String III

  • Number of solutions: 3 solutions
  • Total lines of code: 71 lines of code

Valid Palindrome

  • Number of solutions: 2 solutions
  • Total lines of code: 40 lines of code

Valid Palindrome II

  • Number of solutions: 3 solutions
  • Total lines of code: 90 lines of code

Implement strStr()

  • Number of solutions: 1 solution
  • Total lines of code: 15 lines of code

Roman to Integer

  • Number of solutions: 2 solutions
  • Total lines of code: 75 lines of code

Subdomain Visit Count

  • Number of solutions: 2 solutions
  • Total lines of code: 84 lines of code

Single Number

  • Number of solutions: 3 solutions
  • Total lines of code: 41 lines of code

Count Primes

  • Number of solutions: 3 solutions
  • Total lines of code: 66 lines of code

Intersection of Two Arrays

  • Number of solutions: 3 solutions
  • Total lines of code: 66 lines of code

Intersection of Two Arrays II

  • Number of solutions: 2 solutions
  • Total lines of code: 33 lines of code

Bulls and Cows

  • Number of solutions: 3 solutions
  • Total lines of code: 49 lines of code

Word Pattern

  • Number of solutions: 2 solutions
  • Total lines of code: 43 lines of code

Maximum Number of Balloons

  • Number of solutions: 2 solutions
  • Total lines of code: 36 lines of code

Longest Word in Dictionary

  • Number of solutions: 2 solutions
  • Total lines of code: 65 lines of code

Longest Harmonious Subsequence

  • Number of solutions: 2 solutions
  • Total lines of code: 43 lines of code

During Volunteer Period (2,084+ lines of code)

Copy List with Random Pointer

  • Number of solutions: 3 solutions
  • Total lines of code: 133 lines of code