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shreyanshgupta838
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BASIC (13)
EASY (70)
MEDIUM (156)
HARD (26)
- Geek and Code
- Geek and Subset Sum
- Geek and Function |V
- Geek-onacci Number ||
- Reverse a linked list
- Remove duplicates from an unsorted linked list
- Inorder Traversal
- Check for BST
- Mirror Tree
- Height of Binary Tree
- Left View of Binary Tree
- Queue using two Stacks
- Remove Duplicates from a Sorted Linked List
- Reverse Level Order Traversal
- DFS of Graph
- Implement stack using array
- Nodes without a Sibling
- Reverse Using Stack
- Find length of Loop
- Find n/k th node in Linked list
- Reverse first K of a Queue
- Move all zeros to the front of the linked list
- Power of 2
- Array Leaders
- Reverse Words
- Parenthesis Checker
- N meetings in one room
- Reach a given score
- Positive Negative Pair
- Max Value Permutation
- Missing And Repeating
- Sort by Set Bit Count
- Maximize sum after K negations
- Adding Ones
- Pairs with certain difference
- Left most and right most index
- Rearrange a string
- Longest common prefix
- Modify the Array
- Convert an array to reduced form
- Longest Common Prefix of Strings
- Maximum sum of increasing order elements from n arrays
- Merge two binary Max heaps
- Palindrome String
- Maximum average subarray
- Smallest greater elements in whole array
- Count number of words
- Minimal moves to form a string
- Binary representation of next number
- Encrypt the string - 2
- Minimum Operations
- Adding Array Elements
- Number of 1 Bits
- Sum Of Digits
- Swap bits
- Least Prime Factor
- Circular Prime Number
- Coverage of all Zeros in a Binary Matrix
- K-Ary Tree
- Rearrange Geek and his Classmates
- Gadgets of Doraland
- Sum of two numbers without using arithmetic operators
- Search insert position of K in a sorted array
- Largest value in each level
- Smallest window containing 0, 1 and 2
- Can Make Triangle
- Matrix Operations
- Triangle and Square
- Divisor Game
- Frequency of every Element
- Add 1 to a Linked List Number
- Quick Sort on Linked List
- Merge Sort
- Bottom View of Binary Tree
- Add all greater values to every node in a BST
- Flattening a Linked List
- Delete a node from BST
- Directed Graph Cycle
- Undirected Graph Cycle
- LCA in Binary Tree
- Maximum difference between node and its ancestor
- Two Stacks in an Array
- Binary Heap Operations
- The Celebrity Problem
- Largest subarray with 0 sum
- Topological sort
- Merge K sorted linked lists
- Find the number of islands
- Check if subtree
- Remove loop in Linked List
- Dijkstra Algorithm
- Minimum Spanning Tree
- Minimum Swaps to Sort
- Strongly Connected
- Rat in a Maze Problem - I
- Bridge edge in a graph
- Top View of Binary Tree
- Level order traversal
- Root to Leaf Paths
- Construct expression tree
- Vertical sum
- Predecessor and Successor
- Leaves to DLL
- Swap Kth nodes from ends
- Maximum sum of Non-adjacent nodes
- Count set bits
- Possible Words From Phone Digits
- Binary Array Sorting
- Possible paths between 2 vertices
- Make Matrix Beautiful
- Spirally traversing a matrix
- Subarrays with equal 1s and 0s
- Postfix Evaluation
- Activity Selection
- Job Sequencing Problem
- Minimum Platforms
- Largest number in K swaps
- M-Coloring Problem
- Minimum Jumps
- Egg Dropping Puzzle
- Sum of all substrings of a number
- Implement Trie
- Rotten Oranges
- Steps by Knight
- Rotate by 90 degree
- Word Break
- Excel Sheet | Part - 1
- Pair Sum Closest to 0
- Super Primes
- Maximum Product Subarray
- Row with max 1s
- Swapping pairs make sum equal
- Column name from a given column number
- Concatenation of Zig-Zag String in n Rows
- Nuts and Bolts Problem
- Count the Reversals
- Factorials of large numbers
- Reverse each word in a given string
- Remove leading zeros from an IP address
- Longest substring with distinct characters
- Integer to Words
- K-th element of two Arrays
- Minimum swaps and K together
- Smallest Absolute Difference
- LCS of three strings
- First negative in every window of size k
- Minimum sum
- First and Last Occurrences
- Smaller on Left
- Maximum Product of Increasing Subsequence of Size 3
- Valid Substring
- Shop in Candy Store
- Previous number in one swap
- Unique Number II
- Max Sum Increasing Subsequence
- Coin Change (Minimum Coins)
- Kth Smallest Factor
- XOR Game
- Min Coin
- Handshakes
- Money Distributions
- Find Last Digit Of a^b for Large Numbers
- Killing Spree
- Subset Sums
- N Digit numbers with digits in increasing order
- Nth Natural Number
- Choose and Swap
- Find nth root of m
- Find Prime numbers in a range
- Party in Town
- Next Permutation
- Total Decoding Messages
- Possible paths
- Pairs of Non Coinciding Points
- 7 Segment Display
- Product of Primes
- Eulerian Path in an Undirected Graph
- Check Mirror in N-ary tree
- Queries on Strings
- Special Matrix
- Biconnected Graph
- Floyd Warshall
- Negative weight cycle
- Moving on grid
- Recursively Remove Adjacent Duplicates
- Theft at World Bank
- Coins of Geekland
- Transfiguration
- Ruling Pair
- Triplets in Sorted Linked List
- Help Classmates
- Valentine Sum
- Lucy's Neighbours
- Escape the Forbidden Forest
- Triplets with sum with given range
- Iterative Postorder
- Longest Palindromic Substring
- Form a palindrome
- Bellman-Ford
- Partition a Linked List around a given value
- Capacity To Ship Packages Within D Days
- Coin Piles
- Clone a stack without using extra space
- Find duplicate rows in a binary matrix
- Find rectangle with corners as 1
- Cousins of a given node
- Sort for Singly Linked List
- Rank The Permutations
- Find minimum number of Laptops required
- Maximum Winning score
- Find the first node of loop in linked list
- Maximum Weight Node
- Minimum times A has to be repeated such that B is a substring of it
- Bitwise AND of the Array
- Maximum number of events that can be attended
- Robots
- Hit most Balloons
- Concatenate Equal to Target
- Exactly one swap
- Maximum Winning score
- Compute Before Matrix
- Maximum selections
- LCP
- Next element with greater frequency
- Sum of nodes within k distance from target
- Minimum increment/decrement to make array non-Increasing
- Linked List Group Reverse
- Binary Tree to DLL
- Trapping Rain Water
- Largest rectangle of 1s with swapping of columns allowed
- Maximum XOR subset
- Matrix Chain Multiplication
- nCr mod M | Part 1
- Adventure in a Maze
- Closest Palindrome
- Optimal binary search tree
- Word Wrap
- Maximum sum Rectangle
- Huffman Encoding
- Find the Maximum Flow
- Secret Cipher
- Corona Vaccine
- Shortest Range In BST
- Search Pattern (Z-algorithm)
- Longest substring to form a Palindrome
- Palindrome Pairs
- Number of distinct words with K maximum contiguous vowels
- Shortest Unique prefix for every word
- Count the number of subarrays
- Largest Sum Cycle
- Kth Smallest Number in Multiplication Table
- Geek in a Maze
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