Sha256: 9d2f7c5fd23c8524951e388d533bdc5953d03fa136da0978448ec4d5f229e6d3
Contents?: true
Size: 645 Bytes
Versions: 188
Compression:
Stored size: 645 Bytes
Contents
import java.math.BigInteger
private const val SQUARE_COUNT = 64
private const val INVALID_SQUARE_NUMBER_MESSAGE = "Only integers between 1 and $SQUARE_COUNT (inclusive) are allowed"
object Board {
fun getGrainCountForSquare(number: Int): BigInteger {
require(number > 0) { INVALID_SQUARE_NUMBER_MESSAGE }
require(number <= SQUARE_COUNT) { INVALID_SQUARE_NUMBER_MESSAGE }
return BigInteger.valueOf(2).pow(number - 1)
}
fun getTotalGrainCount(): BigInteger {
return (1..SQUARE_COUNT)
.map { getGrainCountForSquare(it) }
.reduce { i1, i2 -> i1.add(i2) }
}
}
Version data entries
188 entries across 188 versions & 1 rubygems