Jump Game: can you reach the end of the array (greedy)?
Jump Game pays off spotting that a greedy reachability scan beats DP. Interviewers look for tracking the farthest reachable index in one pass, and catching the exact moment you fall behind it.
Updated Sep 2026 · Grounded in real GenAI, LLM, and AI/ML engineering interview loops and written to a senior-engineer editorial bar.
Jump Game pays off spotting that a greedy reachability scan beats DP. Interviewers look for tracking the farthest reachable index in one pass, and catching the exact moment you fall behind it.
Lead with where the obvious approach breaks, because that is the judgment they are screening for — most candidates jump straight to the happy path and lose the room.
Then walk the failure back through the pipeline in order, naming the one metric the customer's exec sponsor actually cares about before you propose the fix.
