Sleeping Beauty problem: Difference between revisions
Added Swift solution
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Wakenings over 1,000,000 repetitions: 1,500,000
The percentage probability of heads on awakening: 33.3333333%
</pre>
=={{header|Swift}}==
<lang swift>let experiments = 1000000
var heads = 0
var wakenings = 0
for _ in (1...experiments) {
wakenings += 1
switch (Int.random(in: 0...1)) {
case 0:
heads += 1
default:
wakenings += 1
}
}
print("Wakenings over \(experiments) experiments: \(wakenings)")
print("Sleeping Beauty should estimate a credence of: \(Double(heads) / Double(wakenings))")</lang>
{{out}}
<pre>
Wakenings over 1000000 experiments: 1500036
Sleeping Beauty should estimate a credence of: 0.3333013341013149
</pre>
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