This is a repository for Java Projects.

It contains:

• Sudoku Solver based on backtracking.
• Solution to many coding interview problems used as practice taken from InterviewBit and Leetcode. The included problems are:
  • Add_Two_Numbers
  • Add_Two_Numbers_As_List
  • All_Unique_Permutations
  • Best_Time_To_Buy_And_Sell_Stocks_1
  • Best_Time_To_Buy_And_Sell_Stocks_2
  • Best_Time_To_Buy_And_Sell_Stocks_3
  • Bst_Iterator
  • Candy
  • Character_Precedence
  • Clone_Graph
  • Combination_Sum
  • Counting_Carry_Digits
  • Equal
  • First_Missing_Positive
  • Generate_All_Parenthesis_2
  • Implement_StrStr
  • Largest_Distance_Between_Nodes_Of_A_Tree
  • Largest_Rectangle_In_Histogram
  • Least_Common_Ancestor
  • Letter_Phone
  • Level_Order
  • Longest_Increasing_Subsequence
  • Longest_Palindromic_Substring
  • Longest_Substring_Without_Repeating_Characters
  • Longest_Valid_Parenthesis
  • Max_Depth_Of_Binary_Tree
  • Max_Points_On_A_Line
  • Max_Sum_Contiguous_Subarray
  • Median_Of_Two_Sorted_Arrays
  • Merge_K_Sorted_Lists
  • Min_Depth_Of_Binary_Tree
  • Missing_Integer
  • Palindrome_Number
  • Rearrange_Array
  • Record_Breaker
  • Regular_Expression_Match
  • Reverse_Integer
  • Reverse_Linked_List_2
  • Rotate_Matrix
  • Rotated_Array
  • Square_Root_Of_Integer
  • String_K_Compression
  • String_To_Integer_Atoi
  • Subarray_Sum_Equals_K
  • Substring_Concatenation
  • The_Skyline_Problem
  • Trapping_Rain_Water
  • Trapping_Rain_Water_2
  • Two_Sum
  • Two_Sum_Alternative
  • Unique_Paths_In_A_Grid
  • Valid_Binary_Search_Tree
  • Ways_To_Decode
  • Zigzag_Conversion
• Implementations for software architecture design patters, the patters were taken from wikipedia. The included patterns are:
  • Abstract Factory
  • Builder
  • Singleton

Made by Gonzalo Hirsch as a hobby and practice for Facebook Intership coding interview. Also a way to test the SSH keys for github.