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Quick Summary
Determine the maximum number of consecutive items purchasable from a given starting index within a fixed budget.
Prioritize cheaper items first due to the non-decreasing price constraint.
Process multiple independent queries efficiently on a static input array.
What This Tests
Prefix sum optimization for constant-time range cost evaluation
Binary search application on cumulative arrays
Greedy strategy justification under monotonic constraints
Efficient batch query processing
Common Patterns
Prefix Sum
Binary Search
Greedy
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