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4815 questions in one focused tracker. Company collections will use the same saved progress.

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Questions 4815

Done	Question	Resource
Mark Valid Word completed	Valid Word	Open
Mark Valid Word Abbreviation completed	Valid Word Abbreviation	Open
Mark Valid Word Square completed	Valid Word Square	Open
Mark Verbal Arithmetic Puzzle completed	Verbal Arithmetic Puzzle	Open
Mark Verifying an Alien Dictionary completed	Verifying an Alien Dictionary	Open
Mark Verify Preorder Sequence in Binary Search Tree completed	Verify Preorder Sequence in Binary Search Tree	Open
Mark Verify Preorder Serialization of a Binary Tree completed	Verify Preorder Serialization of a Binary Tree	Open
Mark Vertex Cover Problem completed	Vertex Cover Problem	Open
Mark Vertical Order Traversal of a Binary Tree completed	Vertical Order Traversal of a Binary Tree	Open
Mark Vertical Order traversal of Binary Tree completed	Vertical Order traversal of Binary Tree	Open
Mark Video Stitching completed	Video Stitching	Open
Mark Viewers Turned Streamers completed	Viewers Turned Streamers	Open
Mark Vowels Game in a String completed	Vowels Game in a String	Open
Mark Vowels of All Substrings completed	Vowels of All Substrings	Open
Mark Vowel Spellchecker completed	Vowel Spellchecker	Open
Mark Walking Robot Simulation completed	Walking Robot Simulation	Open
Mark Walking Robot Simulation II completed	Walking Robot Simulation II	Open
Mark Walls and Gates completed	Walls and Gates	Open
Mark Warehouse Manager completed	Warehouse Manager	Open
Mark Water and Jug Problem completed	Water and Jug Problem	Open
Mark Water Bottles completed	Water Bottles	Open
Mark Water Bottles II completed	Water Bottles II	Open
Mark Water Connection Problem completed	Water Connection Problem	Open
Mark Water Connection Problem completed	Water Connection Problem	Open
Mark Water Flow completed	Water Flow	Open
Mark Watering Plants completed	Watering Plants	Open
Mark Watering Plants II completed	Watering Plants II	Open
Mark Water Jug problem using BFS completed	Water Jug problem using BFS	Open
Mark Water Overflow completed	Water Overflow	Open
Mark Water the plants completed	Water the plants	Open
Mark Ways to Express an Integer as Sum of Powers completed	Ways to Express an Integer as Sum of Powers	Open
Mark Ways to form Max Heap completed	Ways to form Max Heap	Open
Mark Ways to Make a Fair Array completed	Ways to Make a Fair Array	Open
Mark Ways to Split Array Into Good Subarrays completed	Ways to Split Array Into Good Subarrays	Open
Mark Ways to Split Array Into Three Subarrays completed	Ways to Split Array Into Three Subarrays	Open
Mark Ways to sum to N completed	Ways to sum to N	Open
Mark Weather Type in Each Country completed	Weather Type in Each Country	Open
Mark Web Crawler completed	Web Crawler	Open
Mark Web Crawler Multithreaded completed	Web Crawler Multithreaded	Open
Mark Weighted Job Scheduling completed	Weighted Job Scheduling	Open
Mark Weighted Word Mapping completed	Weighted Word Mapping	Open
Mark Where Will the Ball Fall completed	Where Will the Ball Fall	Open
Mark Why Quicksort is preferred for. Arrays and Merge Sort for LinkedLists ? completed	Why Quicksort is preferred for. Arrays and Merge Sort for LinkedLists ?	Unavailable
Mark Why strings are immutable in Java? completed	Why strings are immutable in Java?	Unavailable
Mark Widest Pair of Indices With Equal Range Sum completed	Widest Pair of Indices With Equal Range Sum	Open
Mark Widest Possible Fence completed	Widest Possible Fence	Open
Mark Widest Vertical Area Between Two Points Containing No Points completed	Widest Vertical Area Between Two Points Containing No Points	Open
Mark Wiggle Sort completed	Wiggle Sort	Open
Mark Wiggle Sort II completed	Wiggle Sort II	Open
Mark Wiggle Subsequence completed	Wiggle Subsequence	Open
Mark Wildcard Matching completed	Wildcard Matching	Open
Mark Wildcard Pattern Matching completed	Wildcard Pattern Matching	Open
Mark Wildcard String Matching completed	Wildcard String Matching	Open
Mark Window String completed	Window String	Open
Mark WoodCutting Made Easy! completed	WoodCutting Made Easy!	Open
Mark Word Abbreviation completed	Word Abbreviation	Open
Mark Word Boggle completed	Word Boggle	Open
Mark Word Boggle - II completed	Word Boggle - II	Open
Mark Word Break completed	Word Break	Open
Mark Word Break completed	Word Break	Open
Mark Word Break II completed	Word Break II	Open
Mark Word Break - Part 2 completed	Word Break - Part 2	Open
Mark Word Break Problem \| (Trie solution) completed	Word Break Problem \| (Trie solution)	Open
Mark Word Break Problem using Backtracking completed	Word Break Problem using Backtracking	Open
Mark Word Break Problem using Backtracking completed	Word Break Problem using Backtracking	Open
Mark Word break Problem[ Very Imp] completed	Word break Problem[ Very Imp]	Open
Mark Word Break (Trie) completed	Word Break (Trie)	Open
Mark Word Frequency completed	Word Frequency	Open
Mark Word Ladder completed	Word Ladder	Open
Mark Word Ladder I completed	Word Ladder I	Open
Mark Word Ladder II completed	Word Ladder II	Open
Mark Word Ladder II completed	Word Ladder II	Open
Mark Word Pattern completed	Word Pattern	Open
Mark Word Pattern II completed	Word Pattern II	Open
Mark Word Search completed	Word Search	Open
Mark Word Search completed	Word Search	Open
Mark Word Search II completed	Word Search II	Open
Mark Word Squares completed	Word Squares	Open
Mark Word Squares II completed	Word Squares II	Open
Mark Word Subsets completed	Word Subsets	Open
Mark Words Within Two Edits of Dictionary completed	Words Within Two Edits of Dictionary	Open
Mark Word Wrap completed	Word Wrap	Open
Mark Word Wrap Problem [VERY IMP]. completed	Word Wrap Problem [VERY IMP].	Open
Mark Write a Code to check whether one string is a rotation of another completed	Write a Code to check whether one string is a rotation of another	Open
Mark Write a Function to get the Intersection Point of two Linked Lists completed	Write a Function to get the Intersection Point of two Linked Lists	Open
Mark Write a Program to check whether a string is a valid shuffle of two strings or not completed	Write a Program to check whether a string is a valid shuffle of two strings or not	Open
Mark Write a Program to check whether the Singly Linked list is a palindrome or not. completed	Write a Program to check whether the Singly Linked list is a palindrome or not.	Open
Mark Write a program to cyclically rotate an array by one. completed	Write a program to cyclically rotate an array by one.	Open
Mark Write a program to Delete loop in a linked list. completed	Write a program to Delete loop in a linked list.	Open
Mark Write a program to Detect loop in a linked list. completed	Write a program to Detect loop in a linked list.	Open
Mark Write a program to find the longest Palindrome in a string.[ Longest palindromic Substring] completed	Write a program to find the longest Palindrome in a string.[ Longest palindromic Substring]	Open
Mark Write a program tofind the smallest window that contains all characters of string itself. completed	Write a program tofind the smallest window that contains all characters of string itself.	Open
Mark Write a Program to Move the last element to Front in a Linked List. completed	Write a Program to Move the last element to Front in a Linked List.	Open
Mark Write a Program to reverse the Linked List. (Both Iterative and recursive) completed	Write a Program to reverse the Linked List. (Both Iterative and recursive)	Open
Mark X of a Kind in a Deck of Cards completed	X of a Kind in a Deck of Cards	Open
Mark XOR After Range Multiplication Queries I completed	XOR After Range Multiplication Queries I	Open
Mark XOR After Range Multiplication Queries II completed	XOR After Range Multiplication Queries II	Open
Mark XOR Linked List completed	XOR Linked List	Open
Mark XOR of a given range completed	XOR of a given range	Open
Mark XOR of numbers in a given range completed	XOR of numbers in a given range	Open