Created
June 4, 2012 02:38
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| def minus(n : Int) = { | |
| val strList = n.toString().sortWith(_ < _) | |
| strList.reverse.toInt - strList.toInt | |
| } | |
| def test(a:Int, b: Int):Int = if (b==0) a else test(minus(a), b-1) | |
| test(1974,100) | |
| // => 6174 |
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