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SCHOOL (3)
BASIC (63)
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Nearly Sorted Algorithm
Shivani hates Consecutive numbers
K<sup>th</sup> Maximum element of Max-Heap
Rotate a Linked List
Add Number Linked Lists
Rearrange a linked list
Add 1 to a Linked List Number
Detect Loop in linked list
Count BST nodes that lie in a given range
Bottom View of Binary Tree
Intersection in Y Shaped Lists
Diameter of a Binary Tree
Heap Sort
Sum Tree
Connect Nodes of Levels
Flattening a Linked List
Delete a node from BST
Directed Graph Cycle
Undirected Graph Cycle
LCA in Binary Tree
Range Minimum Query
Absolute List Sorting
Find the number of islands
Get Min from Stack
Wildcard Pattern Matching
Check if subtree
Is Binary Tree Heap
Clone a Binary Tree
Validate an IP Address
Remove loop in Linked List
Interleaved Strings
Multiply two strings
Palindrome Linked List
Strongly Connected
Count distinct elements in every window
Merge k Sorted Arrays
Top View of Binary Tree
k-th Smallest in BST
Peak element
Occurences of 2 as a digit
Count the nodes at distance K from leaf
Predecessor and Successor
Normal BST to Balanced BST
Check if two Nodes are Cousins
Count Number of SubTrees having given Sum
C++ Friend function
Sum Pair
Diagonal Sum
Pattern Printer - CPP
Reverse array in groups
Smallest Positive Missing
Wave Array
Possible Words From Phone Digits
Rearrange an array with O(1) extra space
Stock buy and sell
Kadane's Algorithm
Majority Element
Count Inversions
Unique BST's
Union of 2 Sorted Arrays
Indexes of Subarray Sum
Count the number of possible triangles
Boolean Matrix
Next Greater Element
K Sized Subarray Maximum
Minimum Platforms
Unique Subsets
Minimum Jumps
Stickler Thief
Ways to Reach the n'th Stair
Optimal Strategy For A Game
Minimum number of jumps
Sum of all substrings of a number
Longest Increasing Subsequence
Longest Common Subsequence
0 - 1 Knapsack Problem
Largest number
K nearest Points
Number of Unique Paths
Equal Sum Partition
Sort according to an Array
Find whether path exist
Kth Smallest
Nth Catalan Number
Rotten Oranges
Steps by Knight
Maximize The Cut Segments
Print Anagrams Together
Rotate by 90 degree
Overlapping Intervals
Closest Three Sum
Word Break
Word Boggle
Excel Sheet | Part - 1
Sort 0s, 1s and 2s
Paths to reach origin
Complement
Maximum Sub Array
Maximum Index
Equal Sum
Maximize Number of 1's
Count of Subarrays
Single Among Doubles
Pythagorean Triplet
Pair Sum Closest to 0
Sum of bit differences
Maximum Intervals Overlap
Super Primes
Subarray Sum Divisible By K
Maximum Product Subarray
Longest subarray with sum divisible by K
Column name from a given column number
Concatenation of Zig-Zag String in n Rows
Palindrome SubStrings
Nuts and Bolts Problem
Transform String
Count the Reversals
Length of the longest substring
k largest elements
Magnet Array Problem
Longest Common Substring
Smallest distinct window
Longest Palindrome in a String
Tic Tac Toe
Rod Cutting
LCS of three strings
Longest Palindromic Subsequence
Longest Common Increasing Subsequence
Minimum sum
Nine Divisors
Valid Substring
Minimum number of deletions
Permutations of a String
Rotate String
Friends Pairing Problem
Combination Sum - Part 2
Subarrays Product Less than K
Skip the work
Modular Exponentiation
Largest prime factor
Maximum Tip Calculator
Maximize dot product
Minimum cost to fill given weight in a bag
Coin Change (Count Ways)
Sieve of Eratosthenes
Gold Mine Problem
Perfect Sum Problem
Count ways to N'th Stair(Order does not matter)
nCr
Maximum path sum in matrix
Longest Bitonic subsequence
Handshakes
Jumbled Strings
Probability of Knight
Array Pair Sum Divisibility Problem
Count the number of ways to tile the floor of size n x m using 1 x m size tiles
Unique partitions
Prime Pair with Target Sum
Knight Walk
Find the last digit when factorial of A divides factorial of B
Return two prime numbers
Find nth root of m
Jumping Numbers
Next Permutation
Rank The Permutations
How Many X's?
Is Sudoku Valid
Kth Largest in a Stream
Snake and Ladder Problem
Pairs of Non Coinciding Points
Replace O's with X's
Check Mirror in N-ary tree
Special Matrix
Find the string in grid
Print the Sequence
Save Your Life
Sahil loves gfg
Sahil love good scorer
Check the Brackets
Reverse a linked list
Frequency in a Linked List
Node at a given index in linked list
Linked list of strings forms a palindrome
Compare two linked lists
Remove duplicates from an unsorted linked list
Inorder Traversal
Check for BST
Right View of Binary Tree
K distance from root
Mirror Tree
Delete without head pointer
Height of Binary Tree
Balanced Tree Check
Kth from End of Linked List
Middle of a Linked List
Left View of Binary Tree
Queue using two Stacks
Remove Duplicates from a Sorted Linked List
Stack using two queues
Reverse Level Order Traversal
Insert a node in a BST
BFS of graph
Identical Trees
Root to leaf path sum
Nodes without a Sibling
Lowest Common Ancestor in a BST
Binary Search
Largest subarray of 0's and 1's
Level Order Line by Line
BST Keys in a Range
Odd even level difference
Expression Tree
Delete in a Singly Linked List
Kth largest element in BST
Max Level Sum in Binary Tree
Level order traversal
Index of an Extra Element
Sum of leaf nodes in BST
Full Binary Tree
Symmetric Tree
Construct BST from Postorder
Count Pairs whose sum is equal to X
Queue Reversal
Reverse first K of a Queue
Sum of Leaf Nodes
Closest Neighbour in BST
Exchange the Leaf Nodes
Move all zeros to the front of the linked list
Rotate doubly Linked List
The New Line
Controlled_Printing
Coding with Operators
Bridge of Stones
Data Types
Taking input
Learn to Comment
GetLine and Ignore
Learning to be precise
Bitwise Operators
Even Odd
For Loop- primeCheck
While loop- printTable
Learning Macros
Step by Step Condition
Learn to Comment - Java
Exists or Not?
The Loner
Swap the array elements
Count the Specials
Matrix Interchange
Predict the Column
Xoring and Clearing
Consonants and Vowels check
Even Subsets
Almost Equal
The Pattern Matcher
Consonants and Vowels check - Java
Swap values using References
Swap the objects
Structs and Objects
Two Dimensional World
Learning Structs
Delete Array
Cover the distance
Maximum Area Rectangle
Sum of Big Integers
BigInteger Multiply
BigInteger mod
Play With Vectors
Find the Frequency
Back to Front
Pair Sum in Vector
Student of the Year
Operations on PriorityQueue
Get min at pop
Deque Implementations
Strings Frequency
Multiset Operations
Multimap Operations
Power of 2
Equilibrium Point
Array Leaders
Floor in a Sorted Array
Anagram
Reverse Words
Non Repeating Character
Parenthesis Checker
Minimum Cost of ropes
Count ways to N'th Stair
Count number of hops
Reach a given score
Check Equal Arrays
Missing in Array
Intersection of Arrays with Distinct
Excel Sheet | Part - 2
Count minimum right flips to set all values in an array
Missing And Repeating
Find the closest number
Search in a Row-Column sorted matrix
Min sum formed by digits
Chocolate Distribution Problem
Maximum Sum Bitonic Subsequence
Bitonic Point
Left most and right most index
Common Subsequence
Sort in specific order
Arya's Long String
Second Largest
Two Sum - Pair with Given Sum
Number of occurrence
Longest common prefix
Find missing in second array
Longest Common Prefix of Strings
Min Manipulations to make Strings Anagram
Two sum -Pairs with 0 Sum
Print an array in Pendulum Arrangement
Find the closest pair from two arrays
LCS with permutations
Count the Zeros
Palindrome String
Colorful Strings
Is Binary Number Multiple of 3
Padovan Sequence
Extract the Number from the String
Minimum Operations
Number of 1 Bits
Pairs with Positive Negative values
Nth Fibonacci Number
Element that appears once where every element occurs twice
Prime Number
Maximum Sum Problem
Minimum steps to minimize n as per given condition
Count numbers containing 4
Assign Mice Holes
Reach the Nth point
Minimum number of Coins
Number Of Open Doors
Repeating GCD
Final Destination
Number that are not divisible
Rectangles in N*N Board
Squares in N*N Chessboard
Trailing zeroes in factorial
Increasing Sub Sequence
Surround the 1's
Inorder Traversal and BST
Largest zigzag sequence
Print Pattern
Print Diagonally
Rotate Array
Pairing the brackets
Count Linked List Nodes
Size of Binary Tree
Count Leaves in Binary Tree
Postorder Traversal
Implement stack using array
Queue Using Array
Add two fractions
Preorder Traversal
Search a node in BST
Remainder with 7
Linked List Insertion At End
Minimum element in BST
Anagram of String
Circular Linked List Traversal
Is Linked List Length Even?
Identical Linked Lists
Sum of Binary Tree
Count Non-Leaf Nodes in Tree
Start Coding
The Size of
Logical Operators
Count Odd and Even
Filter the weeds
Volume of Cuboid
Vector Common Elements
Sort and Reverse Vector
Front to Back
Stack and Queue Operations
Stack designer
Banish the Commons
Queue Push & Pop
Set Operations
Map Operations
Sum Array Puzzle
Array Search
Binary String
First n Fibonacci
Binary Array Sorting
Remove consonants from a string
Type of array
Immediate Smaller Element
Reversing the vowels
Rotating an Array
Print first letter of every word in the string
First and last Bit
GCD of Array
Binary representation
Find the fine
Set all odd bits
LCM And GCD
House Robber
Find n-th term of series 1, 3, 6, 10, 15, 21
Factorial
Absolute Difference of 1
Series AP
Check if the door is open or closed
The dice problem
Ways To Tile A Floor
GCD, LCM and Distributive Property
Height of Heap
Pairs of prime number
Rotten Oranges
Linked List Group Reverse
Reorder List
Binary Tree to DLL
Clone List with Next and Random
Distinct occurrences
AVL Tree Insertion
Partition array to k subsets
Alien Dictionary
AVL Tree Deletion
Nodes at given distance in binary tree
Fixing Two nodes of a BST
Max Path Sum 2 Special Nodes
Number of Turns in Binary Tree
Make them One
Prioritized Students
Trapping Rain Water
Smallest window containing all characters of another string
Max of min for every window size
Find median in a stream
Solve the Sudoku
Minimum Cost Path
Merge Without Extra Space
Next Smallest Palindrome
The Painter's Partition Problem-II
Distinct palindromic substrings
Ugly Numbers
Largest rectangle of 1s with swapping of columns allowed
Longest Prefix Suffix
Circle of strings
Edit Distance
Minimum sum partition
Palindromic Partitioning
Stock Buy and Sell – Max K Transactions Allowed
Bit Difference
Longest valid Parentheses
Longest Zig-Zag Sub Sequence
Word Break - 2
N-Queen Problem
Phone directory
Closest Palindrome
Reverse an Array
Add Vector Elements
Search in a 2D Matrix
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