Monty Hall problem: Difference between revisions
Content added Content deleted
m (→Basic solution: {{quote}}) |
m (→{{header|Phix}}: added syntax colouring, marked p2js compatible) |
||
| Line 3,200: | Line 3,200: | ||
=={{header|Phix}}== |
=={{header|Phix}}== |
||
Modified copy of [[Monty_Hall_problem#Euphoria|Euphoria]] |
Modified copy of [[Monty_Hall_problem#Euphoria|Euphoria]] |
||
<!--<lang Phix>(phixonline)--> |
|||
<lang Phix>integer swapWins = 0, stayWins = 0, winner, choice, reveal, other |
|||
<span style="color: #008080;">with</span> <span style="color: #008080;">javascript_semantics</span> |
|||
atom t0 = time() |
|||
<span style="color: #004080;">integer</span> <span style="color: #000000;">swapWins</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">stayWins</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">winner</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">choice</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">reveal</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">other</span> |
|||
<span style="color: #004080;">atom</span> <span style="color: #000000;">t0</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">time</span><span style="color: #0000FF;">()</span> |
|||
for game=1 to 1_000_000 do |
|||
winner = rand(3) |
|||
<span style="color: #008080;">for</span> <span style="color: #000000;">game</span><span style="color: #0000FF;">=</span><span style="color: #000000;">1</span> <span style="color: #008080;">to</span> <span style="color: #000000;">1_000_000</span> <span style="color: #008080;">do</span> |
|||
choice = rand(3) |
|||
<span style="color: #000000;">winner</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">rand</span><span style="color: #0000FF;">(</span><span style="color: #000000;">3</span><span style="color: #0000FF;">)</span> |
|||
while 1 do |
|||
<span style="color: #000000;">choice</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">rand</span><span style="color: #0000FF;">(</span><span style="color: #000000;">3</span><span style="color: #0000FF;">)</span> |
|||
reveal = rand(3) |
|||
<span style="color: #008080;">while</span> <span style="color: #000000;">1</span> <span style="color: #008080;">do</span> |
|||
if reveal!=winner and reveal!=choice then exit end if |
|||
<span style="color: #000000;">reveal</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">rand</span><span style="color: #0000FF;">(</span><span style="color: #000000;">3</span><span style="color: #0000FF;">)</span> |
|||
end while |
|||
<span style="color: #008080;">if</span> <span style="color: #000000;">reveal</span><span style="color: #0000FF;">!=</span><span style="color: #000000;">winner</span> <span style="color: #008080;">and</span> <span style="color: #000000;">reveal</span><span style="color: #0000FF;">!=</span><span style="color: #000000;">choice</span> <span style="color: #008080;">then</span> <span style="color: #008080;">exit</span> <span style="color: #008080;">end</span> <span style="color: #008080;">if</span> |
|||
stayWins += (choice==winner) |
|||
<span style="color: #008080;">end</span> <span style="color: #008080;">while</span> |
|||
other = 6-choice-reveal -- (as 1+2+3=6, and reveal!=choice) |
|||
<span style="color: #000000;">stayWins</span> <span style="color: #0000FF;">+=</span> <span style="color: #0000FF;">(</span><span style="color: #000000;">choice</span><span style="color: #0000FF;">==</span><span style="color: #000000;">winner</span><span style="color: #0000FF;">)</span> |
|||
swapWins += (other==winner) |
|||
<span style="color: #000000;">other</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">6</span><span style="color: #0000FF;">-</span><span style="color: #000000;">choice</span><span style="color: #0000FF;">-</span><span style="color: #000000;">reveal</span> <span style="color: #000080;font-style:italic;">-- (as 1+2+3=6, and reveal!=choice)</span> |
|||
end for |
|||
<span style="color: #000000;">swapWins</span> <span style="color: #0000FF;">+=</span> <span style="color: #0000FF;">(</span><span style="color: #000000;">other</span><span style="color: #0000FF;">==</span><span style="color: #000000;">winner</span><span style="color: #0000FF;">)</span> |
|||
printf(1, "Stay: %,d\nSwap: %,d\nTime: %3.2fs\n",{stayWins,swapWins,time()-t0})</lang> |
|||
<span style="color: #008080;">end</span> <span style="color: #008080;">for</span> |
|||
<span style="color: #7060A8;">printf</span><span style="color: #0000FF;">(</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"Stay: %,d\nSwap: %,d\nTime: %s\n"</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">stayWins</span><span style="color: #0000FF;">,</span><span style="color: #000000;">swapWins</span><span style="color: #0000FF;">,</span><span style="color: #7060A8;">elapsed</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">time</span><span style="color: #0000FF;">()-</span><span style="color: #000000;">t0</span><span style="color: #0000FF;">)})</span> |
|||
<!--</lang>--> |
|||
{{out}} |
{{out}} |
||
<pre> |
<pre> |
||
Stay: 333,292 |
Stay: 333,292 |
||
Swap: 666,708 |
Swap: 666,708 |
||
Time: 0. |
Time: 0.2s |
||
</pre> |
</pre> |
||