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KPIT Technologies Online Assessment | Palindrome Validation & Pivot Index
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String
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PrefixSum
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Sahil Jain
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Akamai OA 2025 | CDN Log Compression via Run-Length Bit-Packing & DDoS Token Bucket Rate Limiter
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Virtusa Neural Hiring Drive 2026 | Matrix Layer Rotation & Equilibrium Index of an Array
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Linkedin SDE Interview Question 2023-April | Complex String Parsing | Off-campus
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ShareChat SDE-2 OA 2023 | Power of Three Wealth Pairs & Dynamic Maze with Toggled Blockades
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ServiceNow 2023-April | Simulation Optimization & HashMaps | On-campus
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Capgemini Exceller OA Questions and Solutions | Move Hashes to Front & String Compression
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Walmart SDE OA 2025 | Candy Taste Problem | Math & Greedy Solution
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AhihiFusion Hiring Challenge (2026) | Off-campus | OA | Complex State Simulation
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Stripe OA | SWE Intern 2026 | HackerRank (60 min, 1 Problem)
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Answer: Splunk Hiring challenge| off campus online assessment question | Decode the Mess
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Approach / Strategy This is a straightforward substitution cipher decoder using a HashMap for character mapping. Steps: Build t…
Answer: ServiceNow Hiring | Maximum Sum of Distinct Subarrays With Length K | on campu
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Approach / Strategy This is a fixed-size sliding window problem combined with duplicate detection using a HashMap (frequency map). Al…
Answer: Dell Technologies | Decode XORed Array | On-Campus OA 2021 | Bit Manipulation,
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Approach / Strategy This is a direct application of XOR properties. Since encoded[i] = arr[i] XOR arr[i+1], we can derive arr[i+1] = arr…
Answer: SIEMENS HEALTHINEERS Hiring | Off Campus OA (2025) | Question Maximum Total Imp
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Approach A city's contribution to the total importance depends on how many roads are connected to it. If a city appears in many r…
Answer: PAYTM PAYMENTS BANK | Off Campus OA (2024) | Find All Lonely Numbers in the A
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Approach Use a frequency map to count occurrences of each number. For every number: Frequency must be exactly 1. num - 1 shou…
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Approach Since every height is unique, we can pair each height with its corresponding name. Steps: Create pairs (height, name).…
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Solution 1 - Corporate Relational Data Pivot Strategy Since the matrix is square, the transpose can be performed in-place. Only el…
Answer: KPIT Technologies Online Assessment | Autonomous ECU Buffer Purge & ADAS Distanc
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Solution 1 - Embedded Display Canvas Rotator Strategy A 90-degree counter-clockwise rotation can be achieved in-place using two opera…
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