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ygpark2/multiplication_table.scala

Created July 22, 2014 05:30
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multiplication table
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multiplication_table.scala
List.fill(9)(1 to 9).zipWithIndex.map{ case(v, i) => v.map(a => f"$a%02d * ${i+1}%02d = ${a*(i+1)}%02d") }.flatten.map(println)
(1 to 9).flatMap( x => (1 to 9).map( (x, _) )).map(x => f"${x._1}%02d * ${x._2}%02d = ${x._1 * x._2}%02d").foreach(println)
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