Sleeping Beauty problem: Difference between revisions
Added Go
(Added Go) |
|||
Line 261:
Wakenings over 1,000,000 experiments: 1500127
Sleeping Beauty should estimate a credence of: 0.3332204540015612
</pre>
=={{header|Go}}==
{{trans|Wren}}
<lang go>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)
}</lang>
{{out}}
Sample run:
<pre>
Wakings over 1,000,000 repetitions = 1,500,256
Percentage probability of heads on waking = 33.310582%
</pre>
| |||