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authorIru Cai <mytbk920423@gmail.com>2018-05-26 14:27:47 +0800
committerIru Cai <mytbk920423@gmail.com>2018-05-26 14:27:47 +0800
commitc98d66aca04d0d839833b6b81bf249822c4ca350 (patch)
treedafe2a5a36384ab7feab7187271b4be9bba4fdc3 /euler55.scala
parentd5c645bf83f144838e84b21e4941a0e42b0a9a61 (diff)
downloadproject_euler-c98d66aca04d0d839833b6b81bf249822c4ca350.tar.xz
53, 55, 56
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diff --git a/euler55.scala b/euler55.scala
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+object Lychrel
+{
+ def lychrel(a: Int): Boolean = {
+ var t: BigInt = a
+ for (i <- 1 until 50) {
+ t = t + BigInt(t.toString.reverse)
+ if (t.toString == t.toString.reverse)
+ return false
+ }
+ true
+ }
+
+ def main(args: Array[String]) = {
+ var cnt = 0
+ for (i <- 1 until 10000)
+ if (lychrel(i)) cnt = cnt + 1
+
+ println(cnt)
+ }
+}