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Collections/Partition promotes inefficient code #45

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rwst opened this issue Apr 11, 2023 · 0 comments
Open

Collections/Partition promotes inefficient code #45

rwst opened this issue Apr 11, 2023 · 0 comments

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@rwst
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rwst commented Apr 11, 2023

The task description suggests to use partitions but it is wasteful because this should work too:

// Return customers who have more undelivered orders than delivered
fun Shop.getCustomersWithMoreUndeliveredOrders(): Set<Customer> =
    customers.filter {
        it.orders.count { it.isDelivered } < it.orders.size / 2
    }.toSet()

But it is not accepted:

java.lang.AssertionError: The function 'getCustomersWithMoreUndeliveredOrders' is implemented incorrectly
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