mediumStackPattern: Mixed
Cargo Stack Operations Solution
Problem Statement
Given a stack of integers representing cargo shipments and a list of operations, where each operation is either 'import' with a specific cargo quantity or 'export' to remove the top shipment from the stack, determine the final state of the cargo stack after applying these operations.
Constraints
- {"name":"operationTypes","type":"string","description":"Each operation 'type' can be either 'import' or 'export'."}
- {"name":"quantityRange","type":"integer","description":"The 'quantity' for 'import' operations is a positive integer."}
Time: O(n) Space: O(n)
An optimized approach utilizes a stack data structure to directly add or remove elements from the top, resulting in a time complexity of O(n) since each operation (import or export) is a constant time operation.
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