Monty Hall problem: Difference between revisions

</pre>

=={{header|Vlang}}==

<syntaxhighlight lang="vlang">

import rand

fn main() {

games := 1_000_000

mut doors := [3]int{}

mut switch_wins, mut stay_wins, mut shown, mut guess := 0, 0, 0, 0

for _ in 1..games + 1 {

doors[rand.int_in_range(0, 3) or {exit(1)}] = 1 // Set which one has the car

guess = rand.int_in_range(0, 3) or {exit(1)} // Choose a door

for doors[shown] == 1 || shown == guess {

shown = rand.int_in_range(0, 3) or {exit(1)} // Shown door

}

if doors[guess] == 1 {stay_wins += 1}

else {switch_wins += 1}

for clear in 0..3 {if doors[clear] != 0 {doors[clear] = 0}}

}

println("Simulating ${games} games:")

println("Staying wins ${stay_wins} times at ${(f32(stay_wins) / f32(games) * 100):.2}% of games")

println("Switching wins ${switch_wins} times at ${(f32(switch_wins) / f32(games) * 100):.2}% of games")

}

</syntaxhighlight>

{{out}}

<pre>

Simulating 1000000 games:

Staying wins 332518 times at 33.25% of games

Switching wins 667482 times at 66.75% of games