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Uber OA 2025 | Grid Path Optimization with One Bypass
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NOMURA OA 2023 | Number of Good Ways to Split a String | Java Solution | Prefix & Suffix Distinct Count
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CITADEL SECURITIES Off Campus OA 2023 | Maximum Profit with Future Stock Prices | 0/1 Knapsack
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TWO SIGMA Off Campus OA 2023 | Number of Ways to Stay in the Same Place After Some Steps | Dynamic Programming
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Akamai Technologies | Design Underground System | Online Assessment question 2022
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AMADEUS Hiring Challenge | Off Campus OA (2025) | Number of Flowers in Full Bloom
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DocuSign OA 2025 | Tamper-Evident System Log Chains & Contract Signature Layout Alignment
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Expedia OA 2025 | Best Time to Buy Flight Tickets & Clean Hotel Review Keywords
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Salesforce OA 2025 | Maximize Content Delivery Network Revenue & Group Anagrams from Cloud Log Files
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KPMG Technology | Minimum Time Difference | Off Campus Online Assessment Question 2024
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HARMAN INTERNATIONAL Hiring | On-Campus OA (2024) | Minimum Score of a Path Between Two Cities
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ORACLE FINANCIAL SERVICES OA 2024 | Maximum Profit in Job Scheduling | DP and Binary Search
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AMDOCS OA 2024 | Find the City With the Smallest Number of Reachable Cities | Floyd Warshall
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Twilio OA 2026 | Range Update Prefix Sums & Subarray Product Less Than K
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VMware OA 2026 | Minimum Servers for Overlapping Jobs & Stock Trading with Cooldown
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Siemens Digital Industries OA 2026 | Longest Uniform Signal with K Flips & Trapping Rain Water
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Optum OA 2026 | Maximum Grid Profit with One Shield & Constrained Network Routing
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Wipro Elite NTH 2026 | Closest Element to Zero & Total Distance on a Coordinate Line
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Virtusa Neural Hiring Drive 2026 | Matrix Layer Rotation & Equilibrium Index of an Array
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Hexaware PCH Hiring Drive 2026 | Diagonal Difference Matrix Analysis & First Non-Repeating Array Element
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Cognizant GenC Elevate OA 2025 | Cloud-Native Telemetry Event Stream Allocation & Distributed Microservice Mesh Network Transit Optimization
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Upstox SDE-1 OA 2025 | High-Frequency Real-Time Ticker Stream Monitoring & Low-Latency Multi-Exchange Order Clearing
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Spinny SDE-1 OA 2025 | Refurbishment Yard Deep-Cleaning Line & Multi-City Car Transport Express Passes
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PharmEasy SDE-1 OA 2025 | Digital Prescription Item Buffer Batching & Emergency Medical Supplies Route Bypass
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Grofers SDE-1 OA 2025 | Inventory Storage Inflow Packing & Cross-Dock Logistics Highway Toll Optimization
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Ninjacart SDE-1 OA 2025 | Fresh Produce Ingestion Inflow Batching & Rural Logistics Route Clearance Optimization
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ABB Off Campus hiring OA 2022 | Minimum Operations to Reduce X to Zero | Sliding Window
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ERICSSON On Campus OA 2022 | Number of Subarrays With Sum Equals K (Exact) | Prefix Sum and HashMap
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Swiggy SDE-1 OA 2025 | Instamart Conveyor Packing Line Optimization & On-Demand Rider Logistics Route Optimization
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Answer: LENDINGKART Hiring | On-Campus OA (2025) | Find Subsequence of Length K With the
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Approach To maximize the subsequence sum: Store indices of all elements. Sort indices by their corresponding values in descendin…
Answer: SMALLCASE Off-Campus OA (2025) | Find the Largest Palindrome Divisible by K Pro
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Approach Since n ≤ 9, the search space is small enough to use backtracking. A palindrome is completely determined by its first hal…
Answer: YULU Off-Campus OA (2025) | Check if Two String Arrays are Equivalent
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Approach 1: Concatenate and Compare Join all strings in both arrays and compare the resulting strings. Strategy Convert each ar…
Answer: MOBIKWIK Hiring | Largest Perimeter Triangle | On-Campus OA (2024)
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Answer: ZETA SUITE Hiring Off-Campus OA (2024) | Problem Number of Good Pairs
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Approach Use a frequency map. While traversing the array: If a number has appeared k times before, then the current occurrenc…
Answer: CARS24 On-Campus OA (2024) | Minimum Number of Moves to Seat Everyone
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Answer: TATA 1MG Hiring Off-Campus OA (2024) | Replace Element with Greatest Element on
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Approach Traverse the array from right to left while maintaining the maximum element seen so far on the right. For each position: …
Answer: STASHFIN Off-Campus OA (2024) | Count Operations to Obtain Zero
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Answer: RAPIDO Hiring | Find Maximum Number of String Pairs | On-Campus OA (2024)
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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
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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
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Solution 1: Linked List Cycle II — Floyd's Cycle Finding Algorithm Approach We can solve this problem in O(N) time and O(1)…
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Solution 1: Search a 2D Matrix — Single-Dimensional Binary Search Approach Since the first element of each row is greater than …
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Solution 1: Level Order Traversal — Queue BFS Approach We can solve this problem in-place using a **Breadth-First Search (BFS)*…
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Solution 1: Combination Sum — Unbounded Backtracking DFS Approach We can solve this recursively using **Backtracking DFS**. Sin…
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