Data commit

Task/Sleeping-Beauty-problem/Go/sleeping-beauty-problem.go

@@ -0,0 +1,30 @@
+package main
+
+import (
+    "fmt"
+    "math/rand"
+    "rcu"
+    "time"
+)
+
+func sleepingBeauty(reps int) float64 {
+    wakings := 0
+    heads := 0
+    for i := 0; i < reps; i++ {
+        coin := rand.Intn(2) // heads = 0, tails = 1 say
+        wakings++
+        if coin == 0 {
+            heads++
+        } else {
+            wakings++
+        }
+    }
+    fmt.Printf("Wakings over %s repetitions = %s\n", rcu.Commatize(reps), rcu.Commatize(wakings))
+    return float64(heads) / float64(wakings) * 100
+}
+
+func main() {
+    rand.Seed(time.Now().UnixNano())
+    pc := sleepingBeauty(1e6)
+    fmt.Printf("Percentage probability of heads on waking = %f%%\n", pc)
+}