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Answer: RAPIDO Hiring | Find Maximum Number of String Pairs | On-Campus OA (2024) by Padala Indira Bhavani • 0
Approach Use a HashSet to keep track of strings seen so far. For each word: Generate its reverse. If the reverse already exis…
Answer: CRED MINT Off-Campus OA (2024) | Check if Matrix Is X-Matrix by Padala Indira Bhavani • 0
Approach Traverse every cell in the matrix. For each position (i, j): Check whether it belongs to either diagonal. If it is o…
Answer: Airtable SWE Interview Question 2024 September | Two Pointers | on-campus by Pravardhan Aare • 0
Solution 1: Linked List Cycle II — Floyd's Cycle Finding Algorithm Approach We can solve this problem in O(N) time and O(1)…
Answer: Vimeo SWE Interview Question 2024 March | Binary Search | on-campus by Pravardhan Aare • 0
Solution 1: Search a 2D Matrix — Single-Dimensional Binary Search Approach Since the first element of each row is greater than …
Answer: MongoDB SWE Interview Question 2024 January | BFS | on-campus by Pravardhan Aare • 0
Solution 1: Level Order Traversal — Queue BFS Approach We can solve this problem in-place using a **Breadth-First Search (BFS)*…
Answer: Cloudera SWE Interview Question 2024 June | Backtracking | on-campus by Pravardhan Aare • 0
Solution 1: Combination Sum — Unbounded Backtracking DFS Approach We can solve this recursively using **Backtracking DFS**. Sin…
Answer: Box SWE Interview Question 2024 April | Backtracking | on-campus by Pravardhan Aare • 0
Solution 1: Subsets II — Sorted Backtracking with Duplicate Pruning Approach To avoid duplicate subsets without storing them in…
Answer: Roku SWE Interview Question 2024 September | Dynamic Programming | on-campus by Pravardhan Aare • 0
Solution 1: Unique Paths — 1D Space Dynamic Programming Approach We can solve this problem using 2D Dynamic Programming. Let dp…
Answer: Fastly SWE Interview Question 2024 March | HashMaps | on-campus by Pravardhan Aare • 0
Solution 1: Group Anagrams — Sorted String Keys Approach We can solve this problem efficiently using a **HashMap** where the ke…
Answer: Palo Alto Networks SWE Interview Question 2024 September | Graph DFS | on-campus by Pravardhan Aare • 0
Solution 1: Course Schedule — Cycle Detection using DFS (Graph Coloring) Approach The problem is equivalent to detecting a dire…
Answer: Datadog SWE Interview Question 2024 June | Design | on-campus by Pravardhan Aare • 0
Solution 1: Design Twitter — OOP Design with PriorityQueue (Heap) Approach We can design Twitter using standard Object-Oriented…
Answer: GitHub SWE Interview Question 2024 April | Matrix | on-campus by Pravardhan Aare • 0
Solution 1: Spiral Matrix — Boundary Shrinking Simulation Approach We can solve this problem in-place by simulating the spiral …
Answer: HubSpot SWE Interview Question 2024 September | Design | on-campus by Pravardhan Aare • 0
Solution 1: Word Dictionary — Trie with Backtracking DFS Approach We can solve this problem by implementing a custom **Trie** s…
Answer: Zillow SWE Interview Question 2024 May | Two Pointers | on-campus by Pravardhan Aare • 0
Solution 1: Sort Colors — Dutch National Flag Algorithm Approach We can solve this problem in a single pass with O(1) space usi…
Answer: Okta SWE Interview Question 2024 March | Backtracking | on-campus by Pravardhan Aare • 0
Solution 1: Permutations — Recursive Backtracking Approach We can solve this recursively using **Backtracking** to construct ea…
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