pactole-js

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Function: getCombinationRank()

getCombinationRank(combination, offset?): number

Defined in: combinations/rank.ts:81

Get the lexicographic rank of a given combination.

Values are sorted before computing rank, and offset is subtracted from each value during ranking.

Parameters

combination

Iterable\<number>

The combination to get the lexicographic rank for.

offset?

number = 0

An offset to apply to each value in the combination.

Returns

number

The lexicographic rank of the combination.

Examples

`getCombinationRank([0, 1, 2]) // 0`

`getCombinationRank([0, 2, 3]) // 2`

`getCombinationRank([1, 2, 3], 1) // 0`