Sha256: b345437b470c55f84d056d2cf38b614d30d64a0104e10fdf3a76cc8272620fba
Contents?: true
Size: 935 Bytes
Versions: 214
Compression:
Stored size: 935 Bytes
Contents
import java.util.*
class DiamondPrinter {
companion object {
private val A_INT = 'A'.toInt()
private fun blank(length: Int): String {
return Collections.nCopies(length, " ").joinToString("")
}
}
fun printToList(chr: Char): List<String> {
val nRows = 2 * (chr.toInt() - A_INT) + 1
val result = mutableListOf<String>()
// Populate the top rows.
for (nRow in 0..(nRows + 1) / 2 - 1) {
val rowChr = (A_INT + nRow).toChar()
val leftHalfOfRow = blank((nRows - 1) / 2 - nRow) + rowChr + blank(nRow)
val rightHalfOfRow = leftHalfOfRow.reversed().drop(1)
val fullRow = "$leftHalfOfRow$rightHalfOfRow"
result.add(fullRow)
}
// Populate the bottom rows by 'reflecting' all rows above the middle row.
result.addAll(result.reversed().drop(1))
return result
}
}
Version data entries
214 entries across 214 versions & 1 rubygems