online assessment Interview Questions
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IBM Online Assessment: Make Network Connected - Union Find
Solve IBM's 'Make Network Connected' OA: use Union-Find or DFS to count components, check m<n-1, compute minimal rewirings, and get implementation tips.
Meta Online Coding Assessment: Simplify Unix File Path
Simplify Unix Path (Meta): stack-based parsing to handle '.', '..', and repeated slashes. Steps, complexity, edge-case tips — code it now. Try examples & tests.
PayPal Word Search Grid Interview - DFS Backtracking
Practice PayPal's word search assessment: find a target string in a letter grid using DFS and backtracking. Get approach, edge-case tips, and performance notes.
Sliding Window Centered Monotonicity - Pinterest OA
Find indices whose radius-k centered window is inside nums and strictly decreases outward. See O(n) sliding-window/two-pointer approach and edge-case tips.
Stripe Load Balancer WebSocket Router (Online Assessment)
Simulate Stripe's WebSocket load balancer handling CONNECT/DISCONNECT/SHUTDOWN with sticky routing, eviction, and reallocation. Read algorithmic tips & examples.
Visa Paragraph Text Alignment Formatter (OA)
Practice a Visa online assessment: implement a paragraph text alignment formatter (left/right/center/justify) with width W. Read approach and edge cases.
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