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Amazon

47 questions

Random Pick with Weight
20 pts
Machine CodingCoding
Copy Linked List with Random
20 pts
Machine CodingCoding
Repeat N operations: add min+max,
20 pts
Machine CodingCoding
For each prefix, check if
20 pts
Machine CodingCoding
Deduplicate Events List (with Sorting
20 pts
Machine CodingCoding
Median Rating of Most Recent
20 pts
Machine CodingCoding
Number of Islands
20 pts
Machine CodingCoding
Package Delivery (details unknown)
20 pts
Machine CodingCoding
Topological Ordering for Course Prerequisites
20 pts
Machine CodingCoding
Hash Table Lookup with Simple
20 pts
Machine CodingCoding
Max Protected Population After One-Step
20 pts
Machine CodingCoding
Diagonal Nearest Unvisited Redirect Simulation
20 pts
Machine CodingCoding
Topological Sort for Course Ordering
20 pts
Machine CodingCoding
Object-Oriented Design (OOD) Question (scenario
20 pts
Machine CodingCoding
Hash Table Easy Question (not
20 pts
Machine CodingCoding
Greedy Removal of Minimum with
20 pts
Machine CodingCoding
Minimum Emergency Restock Days Under
20 pts
Machine CodingCoding
Sort Elements by Frequency
20 pts
Machine CodingCoding
Sum of Positive Differences (Greedy
20 pts
Machine CodingCoding
Build a BFS Web Crawler
20 pts
Machine CodingCoding
DFS Variant Coding Problem (exact
20 pts
Machine CodingCoding
Hash Map Easy + Medium
20 pts
Machine CodingCoding
Object-Oriented Design: Design a Credit
20 pts
Machine CodingCoding
Implement get(object, path) for nested
20 pts
Machine CodingCoding
Maximize Protected Population with One-Step
20 pts
Machine CodingCoding
Minimum Cost to Convert All
20 pts
Machine CodingCoding
Minimum global-replace operations to make
20 pts
Machine CodingCoding
Backtracking / Grid Search (exact
20 pts
Machine CodingCoding
DP / State Compression /
20 pts
Machine CodingCoding
Decode Morse Code with Word
20 pts
Machine CodingCoding
Decode Morse Code with Word
20 pts
Machine CodingCoding
Max Consecutive ON Servers
20 pts
Machine CodingCoding
Earliest User Who Logged In
20 pts
Machine CodingCoding
Design a Per-User Rate Limiter
20 pts
Machine CodingCoding
Construct Lexicographically Largest Sequence with
20 pts
Machine CodingCoding
SQL: Use LEFT JOIN to
20 pts
Machine CodingCoding
SQL: Window Function to Rank
20 pts
Machine CodingCoding
Merge Two Sorted Linked Lists
20 pts
Machine CodingCoding
SQL Interview Questions (Window Functions
20 pts
Machine CodingCoding
Employee Importance
20 pts
Machine CodingCoding
Maximum Alternating Subsequence Sum
20 pts
Machine CodingCoding
Meeting Rooms
20 pts
Machine CodingCoding
Meeting Rooms II
20 pts
Machine CodingCoding
LRU Cache (Design with Doubly
20 pts
Machine CodingCoding
Rotate Square Matrix by 90
20 pts
Machine CodingCoding
Optimal Bucket Batching to Minimize
20 pts
Machine CodingCoding
Implement an LRU Cache
20 pts
Machine CodingCoding

Amazon

Rotate Square Matrix by 90

Machine CodingCoding

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