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Delhivery

#WeGoTheExtraMile | We are India’s largest fully integrated logistics provider, simplifying commerce with cutting-edge technology, world-class infrastructure, and unmatched expertise to deliver seamless supply chain solutions for businesses of all sizes. Comprehensive Solutions for Every Need ➡️Express Parcel: Send shipments across India, including heavy goods, with value-added services like real-time tracking, NDR Management, Whatsapp based updates and RTO reduction tools. ➡️Supply Chain Solutions: Store and manage inventory at optimized locations across India, fulfilling orders for both B2B and B2C channels with precision. ➡️Partial Truckload (PTL): Leverage one of India’s largest PTL networks for door-to-door and hub-to-hub delivery, with multimodal freight options and advanced client dashboards. ➡️Full Truckload (FTL): Handle high-volume shipments with speed and efficiency through our professional network of truckload partners and our own fleet. ➡️Cross-Border Services: Ship parcels and freight to 220+ countries with door-to-door and port-to-port logistics powered by partnerships with global leaders like FedEx and Aramex. ➡️OS1 for Seamless Logistics Operations: Our transformative operating system that addresses rising supply chain costs and inefficiencies, offering end-to-end visibility and improved operational efficiency. Our Impact at Scale ✔️3 Billion+ parcels shipped since inception. ✔️Coverage of 99.5% of India’s population; unparalleled reach. ✔️Trusted by 33,000+ businesses to drive logistics operations. ✔️Shipped over 4.3 Million tonnes of freight. ✔️Managing 18.8 Million+ sqft of logistics infrastructure. Why choose Delhivery: We don’t just move goods—we move businesses forward. Our robust ecosystem helps enterprises optimize supply chains, scale operations, and achieve excellence. 📞For shipment queries, Visit: https://www.delhivery.com/support or DM: https://www.linkedin.com/showcase/delhivery-support

Interview Questions for Delhivery

1. What is the man-day estimate for this project?

2. What is the process for managing inbound inventory?

3. What is the difference between PATCH and PUT requests?

4. What do you know about Delhivery and its aims?

5. Trapping Rain Water Problem Statement You are given a long type array/list ARR of size N, representing an elevation map. The value ARR[i] denotes the elevation of the ith bar. Your task is to determine the total amount of rainwater that can be trapped between these elevations. The width of each bar is equal to 1. Input The first line contains an integer T which denotes the number of test cases. Each test case follows:The first line of each test case contains an integer N, representing the size of the array/list.The second line contains N space-separated integers representing the elevation of the bars. Output For each test case, print a single line containing a single integer denoting the total water that can be trapped.The output for each test case should be printed on a new line. Example: Input: T = 2 N = 4 ARR = [4, 2, 0, 3] N = 5 ARR = [5, 0, 0, 2, 1] Output: 3 6 Explanation: In the first test case, water can be trapped between the bars: 4 units at 1st index level 2 and 3 units at 2st index level 3.In the second test case, the total trapped water is 6 units. Constraints: 1 <= T <= 10 0 <= N <= 10^4 0 <= ARR[i] <= 10^9 Time Limit: 1 second