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Answer: GENERAL ELECTRIC (GE) | Off Campus OA 2022 | Design Add and Search Words Data St by Padala Indira Bhavani • 0
Approach A normal HashSet can efficiently support exact word searches, but it cannot efficiently handle wildcard searches (.). To sol…
Answer: Spinny SDE-1 OA 2025 | Refurbishment Yard Deep-Cleaning Line & Multi-City Car Tr by Sahil Jain • 0
Solution 1 - Refurbishment Yard Deep-Cleaning Line Strategy Since all detailing durations are strictly positive, both the running dur…
Answer: PharmEasy SDE-1 OA 2025 | Digital Prescription Item Buffer Batching & Emergency by Sahil Jain • 0
Solution 1 - Digital Prescription Item Buffer Batching Strategy Since all medication prices are strictly positive, both the running p…
Answer: Grofers SDE-1 OA 2025 | Inventory Storage Inflow Packing & Cross-Dock Logistics by Sahil Jain • 0
Solution 1 - Inventory Storage Inflow Packing Strategy Since all box weights are strictly positive, both the running weight sum and t…
Answer: Ninjacart SDE-1 OA 2025 | Fresh Produce Ingestion Inflow Batching & Rural Logist by Sahil Jain • 0
Solution 1 - Fresh Produce Ingestion Inflow Batching Strategy Since all crate valuation scores are strictly positive, both the runnin…
Answer: Ninjacart SDE-1 OA 2025 | Fresh Produce Ingestion Inflow Batching & Rural Logist by Sahil Jain • 0
Solution 1 - Fresh Produce Ingestion Inflow Batching Strategy Since all crate valuation scores are strictly positive, both the runnin…
Answer: INTERGRAPH (HEXAGON) | Off Campus OA (2023) | Minimum Flips to Make OR Equal to by Padala Indira Bhavani • 0
Approach Since OR operation works independently on every bit, we can process each bit position separately. Case 1: Current bit of c i…
Answer: MICRON TECHNOLOGY OnCampus OA 2022 | Maximum Width of Binary Tree | BFS Level Or by Padala Indira Bhavani • 0
Approach To calculate the width correctly, we assign each node an index as if the tree were stored in an array representation of a compl…
Answer: ABB Off Campus hiring OA 2022 | Minimum Operations to Reduce X to Zero | Sliding by Padala Indira Bhavani • 0
Approach Instead of directly removing elements from both ends, think in reverse. If we remove elements whose sum equals x, the remain…
Answer: ERICSSON On Campus OA 2022 | Number of Subarrays With Sum Equals K (Exact) | Pre by Padala Indira Bhavani • 0
Approach A brute-force solution would generate all possible subarrays and calculate their sums. This would take O(n²) time, whic…
Answer: HONEYWELL | Online Assessment Questions 2022 | Implement Trie (Prefix Tree) by Padala Indira Bhavani • 0
Approach A Trie stores characters in a tree-like structure. Key Idea Each node represents a character. Every path from root t…
Answer: BOSCH On Campus OA 2021 | Car Fleet | Greedy and Sorting by Padala Indira Bhavani • 0
Approach The key observation is that cars closer to the destination should be processed first. For each car, calculate the time requi…
Answer: SIEMENS Hiring | Off Campus OA (2021) | Minimum Path Sum in Triangle by Padala Indira Bhavani • 0
Approach This is a classic Dynamic Programming problem. Instead of finding the minimum path from top to bottom, we work bottom-up. …
Answer: QUALYS Hiring | On Campus OA (2021) | Minimum Remove to Make Valid Parentheses by Padala Indira Bhavani • 0
Approach We need to remove the minimum number of invalid parentheses while preserving the order of characters. Use a stack to keep tr…
Answer: CISCO Hiring | Network Delay Time | On campus OA Question 2021 by Padala Indira Bhavani • 0
Approach This problem asks for the shortest time from source node k to every other node in a directed weighted graph. Since all edge …

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