Name		Name	Last commit message	Last commit date
Latest commit History 131 Commits
JavaScript		JavaScript
desc		desc
3Sum.py		3Sum.py
Add_Two_Numbers.py		Add_Two_Numbers.py
Balanced_Binary_Tree.py		Balanced_Binary_Tree.py
Best_Time_to_Buy_and_Sell_Stock(Two pointer method).py.py		Best_Time_to_Buy_and_Sell_Stock(Two pointer method).py.py
Best_Time_to_Buy_and_Sell_Stock.py		Best_Time_to_Buy_and_Sell_Stock.py
Binary_Search.py		Binary_Search.py
Binary_Tree_Level_Order_Traversal.py		Binary_Tree_Level_Order_Traversal.py
Candy.py		Candy.py
Car_Fleet.py		Car_Fleet.py
Climbing_Stairs.py		Climbing_Stairs.py
Coin_Change.py		Coin_Change.py
Combination_Sum.py		Combination_Sum.py
Construct_Binary_Tree_from_Preorder_and_Inorder_Traversal.py		Construct_Binary_Tree_from_Preorder_and_Inorder_Traversal.py
Container_With_Most_Water.py		Container_With_Most_Water.py
Contains_Duplicate(set-list).py		Contains_Duplicate(set-list).py
Copy_List_with_Random_Pointer.py		Copy_List_with_Random_Pointer.py
Daily_Temperatures.py		Daily_Temperatures.py
Diameter_of_Binary_Tree.py		Diameter_of_Binary_Tree.py
Evaluate_Reverse_Polish_Notation.py		Evaluate_Reverse_Polish_Notation.py
Find_Minimum_in_Rotated_Sorted_Array(Binary_search).py		Find_Minimum_in_Rotated_Sorted_Array(Binary_search).py
Find_the_Duplicate_Number.py		Find_the_Duplicate_Number.py
Gas_Station.py		Gas_Station.py
Generate_Parentheses.py		Generate_Parentheses.py
Group_Anagrams(Sorted).py		Group_Anagrams(Sorted).py
Group_Anagrams.py		Group_Anagrams.py
Happy_Number(Fast_and_Slow).py		Happy_Number(Fast_and_Slow).py
Happy_Number.py		Happy_Number.py
House_Robber.py		House_Robber.py
House_Robber_II.py		House_Robber_II.py
Invert_Binary_Tree.py		Invert_Binary_Tree.py
Jump_Game.py		Jump_Game.py
Koko_Eating_Bananas.py		Koko_Eating_Bananas.py
Kth_Largest_Element_In_a_Stream.py		Kth_Largest_Element_In_a_Stream.py
Kth_Smallest_Element_in_a_BST(Stack).py		Kth_Smallest_Element_in_a_BST(Stack).py
Kth_Smallest_Element_in_a_BST.py		Kth_Smallest_Element_in_a_BST.py
LRU_Cache.py		LRU_Cache.py
Largest_Rectangle_in_Histogram.py		Largest_Rectangle_in_Histogram.py
Linked_List_Cycle(Floyd's_Tortoise_and_Hare).py		Linked_List_Cycle(Floyd's_Tortoise_and_Hare).py
Longest_Consecutive_Sequence(without_Sort).py		Longest_Consecutive_Sequence(without_Sort).py
Longest_Consecutive_Sequence.py		Longest_Consecutive_Sequence.py
Longest_Increasing_Subsequence.py		Longest_Increasing_Subsequence.py
Longest_Palindromic_Substring(expanding_from_center).py		Longest_Palindromic_Substring(expanding_from_center).py
Longest_Palindromic_Substring.py		Longest_Palindromic_Substring.py
Longest_Repeating_Character_Replacement(maxf).py		Longest_Repeating_Character_Replacement(maxf).py
Longest_Repeating_Character_Replacement.py		Longest_Repeating_Character_Replacement.py
Longest_Substring_Without_Repeating_Characters.py		Longest_Substring_Without_Repeating_Characters.py
Lowest_Common_Ancestor_of_a_Binary_Search_Tree.py		Lowest_Common_Ancestor_of_a_Binary_Search_Tree.py
Maximum_Depth_of_Binary_Tree(BFS).py		Maximum_Depth_of_Binary_Tree(BFS).py
Maximum_Depth_of_Binary_Tree(Iterative).py		Maximum_Depth_of_Binary_Tree(Iterative).py
Maximum_Depth_of_Binary_Tree(Recursion).py		Maximum_Depth_of_Binary_Tree(Recursion).py
Maximum_Product_Subarray.py		Maximum_Product_Subarray.py
Maximum_Subarray(Annus_code).py		Maximum_Subarray(Annus_code).py
Maximum_Subarray(Kadane's_Algorithm).py		Maximum_Subarray(Kadane's_Algorithm).py
Merge_Two_Sorted_Lists.py		Merge_Two_Sorted_Lists.py
Merge_k_Sorted_Lists.py		Merge_k_Sorted_Lists.py
Min_Stack.py		Min_Stack.py
Minimum_Window_Substring.py		Minimum_Window_Substring.py
Multiply_Strings.py		Multiply_Strings.py
Number_of_1_Bits.py		Number_of_1_Bits.py
Palindrome_Number.py		Palindrome_Number.py
Palindromic_Substrings(Expand_From_Center).py		Palindromic_Substrings(Expand_From_Center).py
Palindromic_Substrings.py		Palindromic_Substrings.py
Permutation_in_String.py		Permutation_in_String.py
Plus_One.py		Plus_One.py
Pow(x, n).py		Pow(x, n).py
Product_of_Array_Except_Self.py		Product_of_Array_Except_Self.py
README.md		README.md
Remove Nth_Node_From_End_of_List.py		Remove Nth_Node_From_End_of_List.py
Remove_Nth_Node_From_End_of_List(Floyd's_Tortoise_and_Hare).py		Remove_Nth_Node_From_End_of_List(Floyd's_Tortoise_and_Hare).py
Reorder_List.py		Reorder_List.py
Reverse_Linked_List(Recursive).py		Reverse_Linked_List(Recursive).py
Reverse_Linked_List(iterative_solution).py		Reverse_Linked_List(iterative_solution).py
Reverse_Nodes_in_k-Group.py		Reverse_Nodes_in_k-Group.py
Rotate_Image.py		Rotate_Image.py
Rotting_Oranges.py		Rotting_Oranges.py
Same_Tree.py		Same_Tree.py
Search_a_2D_Matrix.py		Search_a_2D_Matrix.py
Search_in_Rotated_Sorted_Array.py		Search_in_Rotated_Sorted_Array.py
Set_Matrix_Zeroes.py		Set_Matrix_Zeroes.py
Single_Number.py		Single_Number.py
Sliding_Window_Maximum.py		Sliding_Window_Maximum.py
Spiral_Matrix(For_Loop).py		Spiral_Matrix(For_Loop).py
Spiral_Matrix.py		Spiral_Matrix.py
Subarray_Sum_Equals_K.py		Subarray_Sum_Equals_K.py
Subtree_of_Another_Tree.py		Subtree_of_Another_Tree.py
Threesum.py		Threesum.py
Time_Based_Key-Value_Store.py		Time_Based_Key-Value_Store.py
Top_K_Frequent_Elements.py		Top_K_Frequent_Elements.py
Trapping_Rain_Water(Two_Pointer).py		Trapping_Rain_Water(Two_Pointer).py
Trapping_Rain_Water.py		Trapping_Rain_Water.py
Two_Sum(hashmap).py		Two_Sum(hashmap).py
Two_Sum.py		Two_Sum.py
Two_Sum_II.py		Two_Sum_II.py
Valid_Anagram(Counter).py		Valid_Anagram(Counter).py
Valid_Anagram(Hash_map).py		Valid_Anagram(Hash_map).py
Valid_Anagram.py		Valid_Anagram.py
Valid_Palindrome(2line).py		Valid_Palindrome(2line).py
Valid_Palindrome.py		Valid_Palindrome.py

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DSA-problems

Description:

This repository contains solutions to Data Structures and Algorithms (DSA) questions from LeetCode, implemented in Python. The solutions primarily cover problems from LeetCode 75 (a subset of the top 75 frequently asked questions on LeetCode) and LeetCode 150. Each problem may have multiple solution methods implemented for comprehensive learning and understanding of different approaches to problem-solving.

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Contributions to this repository are welcome! If you have a new solution or want to optimize an existing one, feel free to submit a pull request.

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Please keep in mind that while solutions are provided here, understanding the underlying algorithms and problem-solving techniques is crucial for mastering DSA concepts. These solutions are intended for reference and learning purposes.

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