Data commit

Task/Monty-Hall-problem/Kotlin/monty-hall-problem.kotlin

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+// version 1.1.2
+
+import java.util.Random
+
+fun montyHall(games: Int) {
+    var switchWins = 0
+    var stayWins = 0
+    val rnd = Random()
+    (1..games).forEach {
+        val doors = IntArray(3)        // all zero (goats) by default
+        doors[rnd.nextInt(3)] = 1      // put car in a random door
+        val choice = rnd.nextInt(3)    // choose a door at random
+        var shown: Int
+        do {
+            shown = rnd.nextInt(3)     // the shown door
+        }
+        while (doors[shown] == 1 || shown == choice)
+        stayWins += doors[choice]
+        switchWins += doors[3 - choice - shown]
+    }
+    println("Simulating $games games:")
+    println("Staying   wins $stayWins times")
+    println("Switching wins $switchWins times")
+}
+
+fun main(args: Array<String>) {
+    montyHall(1_000_000)
+}