important 197
- Amount of Time for Binary Tree to Be Infected Jan 31, 2025
- Reverse Engineering 101 Nov 12, 2024
- Secure Coding in C and C++ (Part 2) Nov 11, 2024
- Secure Coding in Java - OWASP TOP 10 Nov 11, 2024
- Secure Coding in C and C++ (Part 1) Nov 9, 2024
- Circular tour (geeksforgeeks - SDE Sheet) Oct 21, 2024
- Circle of strings (geeksforgeeks - SDE Sheet) Oct 21, 2024
- LRU Cache (geeksforgeeks - SDE Sheet) Oct 20, 2024
- Search Pattern (Rabin-Karp Algorithm) (geeksforgeeks - SDE Sheet) Oct 17, 2024
- Count total set bits (geeksforgeeks - SDE Sheet) Oct 16, 2024
- Rotate Bits (geeksforgeeks - SDE Sheet) Oct 16, 2024
- Rotate matrix elements clockwise (geeksforgeeks - SDE Sheet) Oct 16, 2024
- Alien Dictionary (geeksforgeeks - SDE Sheet) Oct 16, 2024
- Heap Sort (geeksforgeeks - SDE Sheet) Oct 15, 2024
- Palindrome Pairs (geeksforgeeks - SDE Sheet) Oct 14, 2024
- Minimum XOR value pair (geeksforgeeks - SDE Sheet) Oct 13, 2024
- Strongly Connected Components (Kosaraju's Algo) (geeksforgeeks - SDE Sheet) Oct 13, 2024
- Dijkstra Algorithm (geeksforgeeks - SDE Sheet) Oct 12, 2024
- Directed Graph Cycle (geeksforgeeks - SDE Sheet) Oct 12, 2024
- Minimum sum partition (geeksforgeeks - SDE Sheet) Oct 2, 2024
- Snake and Ladder Problem (geeksforgeeks - SDE Sheet) Oct 1, 2024
- Egg Dropping Puzzle (geeksforgeeks - SDE Sheet) Sep 26, 2024
- Floyd Warshall (geeksforgeeks - SDE Sheet) Sep 25, 2024
- Partition Equal Subset Sum (geeksforgeeks - SDE Sheet) Sep 23, 2024
- Choose and Swap (geeksforgeeks - SDE Sheet) Sep 21, 2024
- Maximum Path Sum between 2 Special Nodes (geeksforgeeks - SDE Sheet) Sep 20, 2024
- Serialize and deserialize a binary tree (geeksforgeeks - SDE Sheet) Sep 20, 2024
- Bottom View of Binary Tree (geeksforgeeks - SDE Sheet) Sep 19, 2024
- Minimum Cost Path (geeksforgeeks - SDE Sheet) Sep 16, 2024
- Histogram Max Rectangular Area (geeksforgeeks - SDE Sheet) Sep 15, 2024
- Get minimum element from stack (geeksforgeeks - SDE Sheet) Sep 15, 2024
- Next Greater Element (geeksforgeeks - SDE Sheet) Sep 15, 2024
- Binary Tree to DLL (geeksforgeeks - SDE Sheet) Sep 14, 2024
- Flattening a Linked List (geeksforgeeks - SDE Sheet) Sep 14, 2024
- Palindrome Linked List (geeksforgeeks - SDE Sheet) Sep 14, 2024
- Special Keyboard (geeksforgeeks - SDE Sheet) Sep 8, 2024
- Rearrange characters (geeksforgeeks - SDE Sheet) Sep 3, 2024
- Generate IP Addresses (geeksforgeeks - SDE Sheet) Sep 1, 2024
- Form a palindrome (geeksforgeeks - SDE Sheet) Sep 1, 2024
- Longest Common Substring (geeksforgeeks - SDE Sheet) Sep 1, 2024
- Kth element in Matrix (geeksforgeeks - SDE Sheet) Aug 30, 2024
- Array Pair Sum Divisibility Problem (geeksforgeeks - SDE Sheet) Aug 28, 2024
- Merge Without Extra Space (geeksforgeeks - SDE Sheet) Aug 28, 2024
- Swapping pairs make sum equal (geeksforgeeks - SDE Sheet) Aug 25, 2024
- Coin Change (Count Ways) (geeksforgeeks - SDE Sheet) Aug 25, 2024
- K-th element of two Arrays (geeksforgeeks - SDE Sheet) Aug 25, 2024
- Count Inversions (geeksforgeeks - SDE Sheet) Aug 24, 2024
- Minimize the Heights II (geeksforgeeks - SDE Sheet) Aug 24, 2024
- Next Greater Node In Linked List Jun 3, 2024
- Minimum Number of Food Buckets to Feed the Hamsters May 28, 2024
- First non-repeating character in a stream (geeksforgeeks - SDE Sheet) May 16, 2024
- Minimum Swaps to Sort (geeksforgeeks - SDE Sheet) May 13, 2024
- Rearrange Array Alternately (geeksforgeeks - SDE Sheet) May 12, 2024
- Zero Sum Subarrays (geeksforgeeks - SDE Sheet) May 10, 2024
- Largest subarray with 0 sum (geeksforgeeks - SDE Sheet) May 9, 2024
- Maximum of all subarrays of size k (geeksforgeeks - SDE Sheet) May 8, 2024
- Length Unsorted Subarray Apr 9, 2024
- Kth smallest element (geeksforgeeks - SDE Sheet) Apr 8, 2024
- Minimum number of jumps (geeksforgeeks - SDE Sheet) Apr 7, 2024
- Kadane's Algorithm (geeksforgeeks - SDE Sheet) Apr 7, 2024
- Find Indexes of a subarray with given sum (geeksforgeeks - SDE Sheet) Apr 7, 2024
- Sort an array of 0s, 1s and 2s Apr 3, 2024
- Divide Integers (InterviewBit) Feb 24, 2024
- Different Bits Sum Pairwise (InterviewBit) Feb 21, 2024
- XOR-ing the Subarrays! (InterviewBit) Feb 20, 2024
- Min XOR value (InterviewBit) Feb 19, 2024
- Prime Sum (InterviewBit) Jan 24, 2024
- Find Permutation (InterviewBit) Jan 22, 2024
- Next Permutation (InterviewBit) Jan 22, 2024
- Maximum Consecutive Gap (InterviewBit) Jan 21, 2024
- Set Intersection (InterviewBit) Jan 14, 2024
- Maximum Sum Triplet (InterviewBit) Jan 6, 2024
- Binary Tree Longest Consecutive Sequence Oct 25, 2023
- Best Time to Buy and Sell Stock III Sep 16, 2023
- Maximal Square Sep 7, 2023
- Maximum Sum Circular Subarray Aug 26, 2023
- Find K Pairs with Smallest Sums Aug 26, 2023
- Find Peak Element Aug 18, 2023
- Minimum Genetic Mutation Aug 17, 2023
- Snakes and Ladders Aug 17, 2023
- Count Complete Tree Nodes Aug 12, 2023
- Flatten Binary Tree to Linked List Aug 11, 2023
- Populating Next Right Pointers in Each Node II Aug 11, 2023
- Reverse Linked List II Aug 7, 2023
- Basic Calculator Aug 5, 2023
- Isomorphic Strings Aug 1, 2023
- Substring with Concatenation of All Words Jul 31, 2023
- Minimum Size Subarray Sum Jul 29, 2023
- ZigZag Conversion Jul 28, 2023
- H-Index Jul 21, 2023
- Best Time to Buy and Sell Stock II Jul 19, 2023
- Remove Duplicates from Sorted Array II Jul 17, 2023
- Merge Sorted Array Jul 16, 2023
- Count pairs in array divisible by K May 6, 2023
- Count Total Set Bits Till N May 6, 2023
- Gray Code Apr 30, 2023
- Sum of Bitwise-OR of all Sub-Arrays Apr 30, 2023
- Largest Continuous Sequence Zero Sum Apr 29, 2023
- Majority Element Apr 25, 2023
- Balance Array (Special Index) Apr 21, 2023
- Serialize and Deserialize Binary Tree Mar 16, 2023
- Sliding Window Maximum Mar 9, 2023
- Alien Dictionary Mar 5, 2023
- Reconstruct Itinerary Mar 5, 2023
- Cheapest Flights Within K Stops Mar 4, 2023
- Distance from the Source (Bellman-Ford Algorithm) Feb 26, 2023
- Floyd Warshall Feb 26, 2023
- Minimal Spanning Tree Feb 25, 2023
- Dijkstra Algorithm Feb 23, 2023
- Set Matrix Zeroes (InterviewBit) Feb 12, 2023
- Spiral Matrix Feb 12, 2023
- Rotate Image Feb 12, 2023
- Reverse Integer Feb 11, 2023
- Sum of Two Integers (Bit Manipulation) Feb 11, 2023
- Minimum Interval to Include Each Query Feb 9, 2023
- Meeting Rooms II Feb 8, 2023
- Non-overlapping Intervals Feb 7, 2023
- Insert Interval Feb 7, 2023
- Valid Parenthesis String Jan 30, 2023
- Gas Station Jan 29, 2023
- Best Time to Buy and Sell Stock with Cooldown Jan 18, 2023
- Word Break Jan 16, 2023
- Word Search Jan 6, 2023
- Binary Tree Maximum Path Sum 2 Dec 28, 2022
- Median of Two Sorted Arrays Dec 6, 2022
- Largest Rectangle in Histogram Dec 3, 2022
- Car Fleet Dec 3, 2022
- Daily Temperatures Dec 3, 2022
- Course Schedule Nov 27, 2022
- Coin Change Nov 22, 2022
- Flip Array Nov 20, 2022
- Unbounded Knapsack Nov 19, 2022
- Knapsack Problem (0/1) Nov 19, 2022
- Dungeon Game Nov 12, 2022
- Ways to Decode Nov 6, 2022
- Max Product Subarray Nov 4, 2022
- Next Greater Element IV Oct 30, 2022
- Permutation in String Oct 27, 2022
- Longest Repeating Character Replacement Oct 26, 2022
- Noble Integer Oct 23, 2022
- Sort K-Sorted Array Oct 22, 2022
- Maximum Profit When Buying a Car Oct 20, 2022
- Distribute Candy Oct 20, 2022
- Finish Maximum Jobs Oct 20, 2022
- Kth Largest Element in a Stream Oct 19, 2022
- Find Median from Data Stream Oct 18, 2022
- Maximum AND Value Oct 14, 2022
- Sum of XOR of all pairs Oct 14, 2022
- Single Number II Oct 12, 2022
- Single Number III Oct 12, 2022
- Top K Frequent Elements Oct 9, 2022
- Right Smaller Than Oct 6, 2022
- Binary Tree Maximum Path Sum Oct 4, 2022
- Lowest Common Ancestor - Using In-time and Out-time Oct 3, 2022
- Morris Traversal Oct 2, 2022
- Construct Binary Tree from Inorder and Postorder Traversal Oct 2, 2022
- Binary Tree Right Side View Oct 2, 2022
- Equal Tree Partition - Binary Tree Oct 1, 2022
- Recover Binary Search Tree Oct 1, 2022
- Least Common Ancestor - Binary Tree Oct 1, 2022
- Valid Binary Search Tree Sep 27, 2022
- Delete a Node in Binary Search Tree Sep 26, 2022
- Construct Binary Tree from Preorder and Inorder Traversal Sep 25, 2022
- Vertical Order Traversal - Binary Tree Sep 24, 2022
- Binary Tree - Level Order Traversal II Sep 23, 2022
- Nearest Smaller Element Sep 14, 2022
- Clone Linked List with Random Pointer - Constant Space Complexity Sep 11, 2022
- Clone Linked List with Random Pointer Sep 11, 2022
- Merge K Sorted Linked Lists Sep 10, 2022
- Merge Sort Linked List Sep 9, 2022
- Reverse a Linked List in K Groups Sep 8, 2022
- Count Rectangles Aug 25, 2022
- Count Right Triangles Aug 25, 2022
- Minimum Area Rectangle Aug 23, 2022
- Sub-Array with Given Sum (Two Pointers) Aug 21, 2022
- Kth Element (Without Sorting) Aug 19, 2022
- Special Integer - Maximum Sum with Max Length k Aug 12, 2022
- Ath Magical Number Aug 10, 2022
- Aggressive Cows Aug 7, 2022
- Find Square Root (Binary Search Approach) Aug 6, 2022
- Shifted Binary Search Aug 5, 2022
- Count Inversion Aug 2, 2022
- Two Arrays, Find Pairs A[i] > B[j] Aug 1, 2022
- Duplicate Zeroes Jul 31, 2022
- Find Number of Divisors Jul 21, 2022
- Smallest Prime Factor Jul 21, 2022
- Find Prime Numbers Jul 21, 2022
- Change Array[i] to Array[Array[i]] Jul 11, 2022
- Merge Two Sorted LinkedList Jul 4, 2022
- Maximum Sum Sub-Matrix Jul 4, 2022
- Sum of all Sub-Arrays Jun 30, 2022
- Kadane's Algorithm Jun 28, 2022
- Sort Stack (In Place) Jun 27, 2022
- Find Successor in Binary Tree Jun 27, 2022
- Binary Tree Diameter Jun 26, 2022
- Find kth Largest Value in BST Jun 21, 2022
- Power Function Jun 15, 2022