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This Repository contains solutions to some of the mostly asked questions in the interviews.

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Important DP Questions
Important DP Questions
 
 
Important Graph Questions
Important Graph Questions
 
 
Important Tree Questions
Important Tree Questions
 
 
Add One row to Tree.py
Add One row to Tree.py
 
 
Add Two Numbers.py
Add Two Numbers.py
 
 
Add to Array form of Integer.py
Add to Array form of Integer.py
 
 
Alternating Digit Sum.py
Alternating Digit Sum.py
 
 
Append characters to make a subsequence.py
Append characters to make a subsequence.py
 
 
Apply operation to Array.py
Apply operation to Array.py
 
 
Average Salary Excluding the Minimum and Maximum Salary.py
Average Salary Excluding the Minimum and Maximum Salary.py
 
 
Average Value of Even Numbers That Are Divisible by Three.py
Average Value of Even Numbers That Are Divisible by Three.py
 
 
Average of levels in Binary Tree.py
Average of levels in Binary Tree.py
 
 
Bag of Tokens.py
Bag of Tokens.py
 
 
Best time to buy & sell stock.py
Best time to buy & sell stock.py
 
 
Binary Search.py
Binary Search.py
 
 
Binary Tree Inorder Traversal.py
Binary Tree Inorder Traversal.py
 
 
Binary Tree Path.py
Binary Tree Path.py
 
 
Binary Tree ZigZag Level Order Traversal.py
Binary Tree ZigZag Level Order Traversal.py
 
 
Break a palindrome.py
Break a palindrome.py
 
 
Calculate Delayed Arrival Time.py
Calculate Delayed Arrival Time.py
 
 
Calculate Digit Sum of String.py
Calculate Digit Sum of String.py
 
 
Can Place Flowers.py
Can Place Flowers.py
 
 
Check Distance Between Same Letters.py
Check Distance Between Same Letters.py
 
 
Check If Array Is Good.py
Check If Array Is Good.py
 
 
Check if Binary String has atmost one segment of Ones.py
Check if Binary String has atmost one segment of Ones.py
 
 
Check if Word Equals Summation of Two Words.py
Check if Word Equals Summation of Two Words.py
 
 
Check if the sentence is panagram.py
Check if the sentence is panagram.py
 
 
Check if two strings are equivalent.py
Check if two strings are equivalent.py
 
 
Concatenation of consecutive Binary Numbers.py
Concatenation of consecutive Binary Numbers.py
 
 
Construct Bianry Tree from Inorder and Postorder Traversal.py
Construct Bianry Tree from Inorder and Postorder Traversal.py
 
 
Construct String From Binary Tree.py
Construct String From Binary Tree.py
 
 
Contains Duplicate.py
Contains Duplicate.py
 
 
Contains Duplicates ii.py
Contains Duplicates ii.py
 
 
Count Complete Tree Nodes.py
Count Complete Tree Nodes.py
 
 
Count Number of Distinct Integers After Reverse Operations.py
Count Number of Distinct Integers After Reverse Operations.py
 
 
Count Vowel Strings in Ranges.py
Count Vowel Strings in Ranges.py
 
 
Covert Sorted List to Binary Search Tree.py
Covert Sorted List to Binary Search Tree.py
 
 
Decode Ways.py
Decode Ways.py
 
 
Delete Columns to make sorted.py
Delete Columns to make sorted.py
 
 
Delete node in a linked list.py
Delete node in a linked list.py
 
 
Delete the middle of Linked List.py
Delete the middle of Linked List.py
 
 
Design Hashset.py
Design Hashset.py
 
 
Determine if Strings are Alike.py
Determine if Strings are Alike.py
 
 
Determine if two strings are close.py
Determine if two strings are close.py
 
 
Difference Between Element Sum and Digit Sum of an Array.py
Difference Between Element Sum and Digit Sum of an Array.py
 
 
Divide intervals into minimum number of groups.py
Divide intervals into minimum number of groups.py
 
 
Find K closest Elements.py
Find K closest Elements.py
 
 
Find Original Array from Doubled Array.py
Find Original Array from Doubled Array.py
 
 
Find Substring With Maximum Cost.py
Find Substring With Maximum Cost.py
 
 
Find The Maximum Achieveable Number.py
Find The Maximum Achieveable Number.py
 
 
Find The Score Of All Prefixes Of An Array.py
Find The Score Of All Prefixes Of An Array.py
 
 
Find XOR beauty of Array.py
Find XOR beauty of Array.py
 
 
Find all Anagrams in String.py
Find all Anagrams in String.py
 
 
Find players with one or more losses.py
Find players with one or more losses.py
 
 
Find the Array Concatenation Value.py
Find the Array Concatenation Value.py
 
 
Find the Duplicate Number.py
Find the Duplicate Number.py
 
 
Find the Highest Altitude.py
Find the Highest Altitude.py
 
 
Find the Index of First Occurence in a String.py
Find the Index of First Occurence in a String.py
 
 
Find the Width of Columns of Grid.py
Find the Width of Columns of Grid.py
 
 
Find the difference.py
Find the difference.py
 
 
First Bad Version.py
First Bad Version.py
 
 
Flood Fill.py
Flood Fill.py
 
 
Form Smallest Number from Two Digit Array.py
Form Smallest Number from Two Digit Array.py
 
 
Gas Station.py
Gas Station.py
 
 
Greatest Common Divisors of Strings.py
Greatest Common Divisors of Strings.py
 
 
Group Anagrams.py
Group Anagrams.py
 
 
Guess the number higher or lower.py
Guess the number higher or lower.py
 
 
Height Checker.py
Height Checker.py
 
 
Increasing triplet subsequence.py
Increasing triplet subsequence.py
 
 
Insert Delete Get Random O(1).py
Insert Delete Get Random O(1).py
 
 
Is Graph Bipartite or not.py
Is Graph Bipartite or not.py
 
 
Jump Game ii.py
Jump Game ii.py
 
 
K Items With Maximum Sum.py
K Items With Maximum Sum.py
 
 
Kids With The Greatest Number Of Candies.py
Kids With The Greatest Number Of Candies.py
 
 
Koko Eating Bananas.py
Koko Eating Bananas.py
 
 
Kth Missing Positive Number.py
Kth Missing Positive Number.py
 
 
Kth Smallest Element in Sorted Matrix.py
Kth Smallest Element in Sorted Matrix.py
 
 
Largest Positive Integer That Exists With Its Negative.py
Largest Positive Integer That Exists With Its Negative.py
 
 
Largest Substring Between Two equal Characters.py
Largest Substring Between Two equal Characters.py
 
 
Last Stone Weight.py
Last Stone Weight.py
 
 
Leaf Similar Trees.py
Leaf Similar Trees.py
 
 
Length of the Longest Alphabetical Continuous Substring.py
Length of the Longest Alphabetical Continuous Substring.py
 
 
Linked List Cycle.py
Linked List Cycle.py
 
 
Longer continuous segment of Ones than Zeros.py
Longer continuous segment of Ones than Zeros.py
 
 
Longest Alternating Subarray.py
Longest Alternating Subarray.py
 
 
Longest Consecutive Sequence.py
Longest Consecutive Sequence.py
 
 
Longest Palindromic Subsequence.py
Longest Palindromic Subsequence.py
 
 
Longest Palindromic Substirng.py
Longest Palindromic Substirng.py
 
 
Longest Subsequence With Limited Sum.py
Longest Subsequence With Limited Sum.py
 
 
Longest Substring without repeating characters.py
Longest Substring without repeating characters.py
 
 
Longest Uploaded Prefix.py
Longest Uploaded Prefix.py
 
 
Lowest Common Ancestor of BST.py
Lowest Common Ancestor of BST.py
 
 
Make Array Zero by Subtracting Equal Amounts.py
Make Array Zero by Subtracting Equal Amounts.py
 
 
Make the String Great.py
Make the String Great.py
 
 
Max Consecutive Ones.py
Max Consecutive Ones.py
 
 
Max Units on a Truck.py
Max Units on a Truck.py
 
 
Maximal Score after applying K opeartions.py
Maximal Score after applying K opeartions.py
 
 
Maximum 69 Number.py
Maximum 69 Number.py
 
 
Maximum Count of Positive Integer and Negative Integer.py
Maximum Count of Positive Integer and Negative Integer.py
 
 
Maximum Difference between Node and Ancestor.py
Maximum Difference between Node and Ancestor.py
 
 

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IMP-DSA-Questions-Solutions

This Repository contains solutions to some of the mostly asked questions in the interviews.

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This Repository contains solutions to some of the mostly asked questions in the interviews.

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python leetcode competitive-programming interview-questions dsa-algorithm

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