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Answer: Palo Alto Networks OA 2025 | Firewall Rule Resolution Engine by Sahil Jain • 0
Solution 1 - Enterprise Packet Filter Rule Engine Strategy A brute-force solution would evaluate every packet against every firewall …
Answer: Uber OA 2025 | Grid Path Optimization with One Bypass by Sahil Jain • 0
Solution 1 - Dynamic Ride-Matching Matrix Strategy A standard grid DP is insufficient because the optimal path depends on whether the…
Answer: Flexport OA 2025 | Cheapest Route with K Stops by Sahil Jain • 0
Solution 1 - Supply Chain Carrier Routing Optimization Engine Strategy A traditional Dijkstra implementation cannot be applied direct…
Answer: Datadog OA 2025 | Sliding Window, Cycle Detection & Matrix Transpose by Sahil Jain • 0
Solution 1 - Telemetry Stream Window Peak Detector Strategy A brute-force approach would evaluate every possible subarray and repeate…
Answer: Splunk OA 2025 | Log Deduplication, Connected Components & Sliding Window Maximu by Sahil Jain • 0
Solution 1 - Indexer Telemetry Duplication Filter Strategy A brute-force approach would scan all previously processed logs for every …
Answer: Twilio OA 2025 | String Compression, Rate Limiting & BFS Routing by Sahil Jain • 0
Solution 1 - SMS Payload Compression Engine Strategy A naive solution might repeatedly remove spaces and duplicate characters using s…
Answer: BlackRock OA 2025 | Pair Sums, Matrix Transpose & Stack Validation by Sahil Jain • 0
Solution 1 - Corporate Dividend Pay-Out Calculations Strategy A brute-force pair comparison requires O(N²) time. Use a HashSe…
Answer: NOMURA OA 2023 | Number of Good Ways to Split a String | Java Solution | Prefix by Padala Indira Bhavani • 0
Approach For every position: Count distinct characters from the left. Count distinct characters from the right. Compare both c…
Answer: CITADEL SECURITIES Off Campus OA 2023 | Maximum Profit with Future Stock Prices by Padala Indira Bhavani • 0
Approach This is a classic 0/1 Knapsack Problem. Mapping Weight = present[i] Value = future[i] - present[i] Capacity = budget…
Answer: TWO SIGMA Off Campus OA 2023 | Number of Ways to Stay in the Same Place After So by Padala Indira Bhavani • 0
Approach Use Dynamic Programming. Let: dp[pos] represent the number of ways to reach position pos after the current number of…
Answer: DE SHAW Hiring Off Campus OA 2022 | Maximum Profit with K Transactions | Dynami by Padala Indira Bhavani • 0
Approach This problem is a Dynamic Programming optimization problem. Maintain two arrays: buy[j] → Maximum profit after bu…
Answer: ARCESIUM OA 2022 | Range Sum Query 2D | Mutable (2D Binary Indexed Tree / Fenwic by Padala Indira Bhavani • 0
Approach A brute-force approach would recalculate the rectangle sum for every query. Update : O(1) Query : O(m × n) This bec…
Answer: F5 Networks OA 2022 | Find Critical and Pseudo Critical Edges in Minimum Spannin by Padala Indira Bhavani • 0
Approach The solution is based on Kruskal's Algorithm and Disjoint Set Union (Union-Find). Step 1 Compute the original MST wei…
Answer: Akamai Technologies | Design Underground System | Online Assessment question 202 by Padala Indira Bhavani • 0
Approach We need to efficiently support: Store active check-ins. Record completed trips. Return average travel time quickly. …
Answer: Zscaler Hiring Challenge OA 2022 | Replace Words with Root (Trie-Based Stemmer) by Padala Indira Bhavani • 0
Approach A brute-force solution would check every root against every word, resulting in high time complexity. A better approach is to…

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