aparler/RosettaCodeData
1
0
Fork 0
Code Issues 12 Pull requests 3 Projects Releases Packages Wiki Activity Actions

Data commit

Browse source
This commit is contained in:
Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
199093 changed files with 3378972 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

27
Task/Monty-Hall-problem/PHP/monty-hall-problem.php Normal file
View file

@ -0,0 +1,27 @@
<?php
function montyhall($iterations){
$switch_win = 0;
$stay_win = 0;
foreach (range(1, $iterations) as $i){
$doors = array(0, 0, 0);
$doors[array_rand($doors)] = 1;
$choice = array_rand($doors);
do {
$shown = array_rand($doors);
} while($shown == $choice || $doors[$shown] == 1);
$stay_win += $doors[$choice];
$switch_win += $doors[3 - $choice - $shown];
}
$stay_percentages = ($stay_win/$iterations)*100;
$switch_percentages = ($switch_win/$iterations)*100;
echo "Iterations: {$iterations} - ";
echo "Stayed wins: {$stay_win} ({$stay_percentages}%) - ";
echo "Switched wins: {$switch_win} ({$switch_percentages}%)";
}
montyhall(10000);
?>