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g1001_1100.s1090_largest_values_from_labels.readme.md Maven / Gradle / Ivy

1090\. Largest Values From Labels

Medium

There is a set of `n` items. You are given two integer arrays `values` and `labels` where the value and the label of the ith element are `values[i]` and `labels[i]` respectively. You are also given two integers `numWanted` and `useLimit`.

Choose a subset `s` of the `n` elements such that:

*   The size of the subset `s` is **less than or equal to** `numWanted`.
*   There are **at most** `useLimit` items with the same label in `s`.

The **score** of a subset is the sum of the values in the subset.

Return _the maximum **score** of a subset_ `s`.

**Example 1:**

**Input:** values = [5,4,3,2,1], labels = [1,1,2,2,3], numWanted = 3, useLimit = 1

**Output:** 9

**Explanation:** The subset chosen is the first, third, and fifth items.

**Example 2:**

**Input:** values = [5,4,3,2,1], labels = [1,3,3,3,2], numWanted = 3, useLimit = 2

**Output:** 12

**Explanation:** The subset chosen is the first, second, and third items.

**Example 3:**

**Input:** values = [9,8,8,7,6], labels = [0,0,0,1,1], numWanted = 3, useLimit = 1

**Output:** 16

**Explanation:** The subset chosen is the first and fourth items.

**Constraints:**

*   `n == values.length == labels.length`
*   1 <= n <= 2 * 104
*   0 <= values[i], labels[i] <= 2 * 104
*   `1 <= numWanted, useLimit <= n`