Largest int from concatenated ints: Difference between revisions

Content added Content deleted

Inline

@@ Line 1,176: / Line 1,176: @@
 =={{header|Kotlin}}==
 {{trans|C#}}
+<lang kotlin>import kotlin.Comparator
-{{works with|Kotlin|1.0b4}}
-<lang scala>import java.util.Comparator
 fun main(args: Array<String>) {
-    val comparator = Comparator<Int> { x, y ->
+    val comparator = Comparator<Int> { x, y -> "$x$y".compareTo("$y$x") }
-        val xy = (x.toString() + y).toInt()
-        val yx = (y.toString() + x).toInt()
-        xy.compareTo(yx)
-    }
     fun findLargestSequence(array: IntArray): String {
-        return array.sortedWith(comparator).reversed().map { it.toString() }.joinToString("")
+        return array.sortedWith(comparator.reversed()).joinToString("") { it.toString() }
     }
+    for (array in listOf(
-    val source1 = intArrayOf(1, 34, 3, 98, 9, 76, 45, 4)
+        intArrayOf(1, 34, 3, 98, 9, 76, 45, 4),
-    println(findLargestSequence(source1))
+        intArrayOf(54, 546, 548, 60),
+    )) {
-    val source2 = intArrayOf(54, 546, 548, 60)
-    println(findLargestSequence(source2))
+        println("%s -> %s".format(array.contentToString(), findLargestSequence(array)))
+    }
 }</lang>
 {{Out}}
+<pre>
- 998764543431
+[1, 34, 3, 98, 9, 76, 45, 4] -> 998764543431
- 6054854654
+[54, 546, 548, 60] -> 6054854654
+</pre>
 =={{header|Lua}}==