Sorting algorithms/Pancake sort: Difference between revisions
Content added Content deleted
Alextretyak (talk | contribs) (Added 11l) |
m (→{{header|Phix}}: added syntax colouring the hard way) |
||
Line 2,804: | Line 2,804: | ||
=={{header|Phix}}== |
=={{header|Phix}}== |
||
<lang Phix> |
<!--<lang Phix>(phixonline)--> |
||
<span style="color: #008080;">with</span> <span style="color: #008080;">javascript_semantics</span> |
|||
for i=length(s) to 2 by -1 do |
|||
integer m = largest(s[1..i],true) |
|||
<span style="color: #008080;">function</span> <span style="color: #000000;">pancake_sort</span><span style="color: #0000FF;">(</span><span style="color: #004080;">sequence</span> <span style="color: #000000;">s</span><span style="color: #0000FF;">)</span> |
|||
if m<i then |
|||
<span style="color: #000000;">s</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">deep_copy</span><span style="color: #0000FF;">(</span><span style="color: #000000;">s</span><span style="color: #0000FF;">)</span> |
|||
if m>1 then |
|||
<span style="color: #008080;">for</span> <span style="color: #000000;">i</span><span style="color: #0000FF;">=</span><span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">s</span><span style="color: #0000FF;">)</span> <span style="color: #008080;">to</span> <span style="color: #000000;">2</span> <span style="color: #008080;">by</span> <span style="color: #0000FF;">-</span><span style="color: #000000;">1</span> <span style="color: #008080;">do</span> |
|||
s[1..m] = reverse(s[1..m]) |
|||
<span style="color: #004080;">integer</span> <span style="color: #000000;">m</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">largest</span><span style="color: #0000FF;">(</span><span style="color: #000000;">s</span><span style="color: #0000FF;">[</span><span style="color: #000000;">1</span><span style="color: #0000FF;">..</span><span style="color: #000000;">i</span><span style="color: #0000FF;">],</span><span style="color: #004600;">true</span><span style="color: #0000FF;">)</span> |
|||
end if |
|||
<span style="color: #008080;">if</span> <span style="color: #000000;">m</span><span style="color: #0000FF;"><</span><span style="color: #000000;">i</span> <span style="color: #008080;">then</span> |
|||
s[1..i] = reverse(s[1..i]) |
|||
<span style="color: #008080;">if</span> <span style="color: #000000;">m</span><span style="color: #0000FF;">></span><span style="color: #000000;">1</span> <span style="color: #008080;">then</span> |
|||
end if |
|||
<span style="color: #000000;">s</span><span style="color: #0000FF;">[</span><span style="color: #000000;">1</span><span style="color: #0000FF;">..</span><span style="color: #000000;">m</span><span style="color: #0000FF;">]</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">reverse</span><span style="color: #0000FF;">(</span><span style="color: #000000;">s</span><span style="color: #0000FF;">[</span><span style="color: #000000;">1</span><span style="color: #0000FF;">..</span><span style="color: #000000;">m</span><span style="color: #0000FF;">])</span> |
|||
end for |
|||
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span> |
|||
return s |
|||
<span style="color: #000000;">s</span><span style="color: #0000FF;">[</span><span style="color: #000000;">1</span><span style="color: #0000FF;">..</span><span style="color: #000000;">i</span><span style="color: #0000FF;">]</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">reverse</span><span style="color: #0000FF;">(</span><span style="color: #000000;">s</span><span style="color: #0000FF;">[</span><span style="color: #000000;">1</span><span style="color: #0000FF;">..</span><span style="color: #000000;">i</span><span style="color: #0000FF;">])</span> |
|||
end function |
|||
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span> |
|||
<span style="color: #008080;">end</span> <span style="color: #008080;">for</span> |
|||
<span style="color: #008080;">return</span> <span style="color: #000000;">s</span> |
|||
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span> |
|||
<span style="color: #008080;">constant</span> <span style="color: #000000;">s</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">shuffle</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">tagset</span><span style="color: #0000FF;">(</span><span style="color: #000000;">10</span><span style="color: #0000FF;">))</span> |
|||
constant s = shuffle(tagset(10)) |
|||
<span style="color: #0000FF;">?</span> <span style="color: #000000;">s</span> |
|||
? s |
|||
<span style="color: #0000FF;">?</span> <span style="color: #000000;">pancake_sort</span><span style="color: #0000FF;">(</span><span style="color: #000000;">s</span><span style="color: #0000FF;">)</span> |
|||
? pancake_sort(s) </lang> |
|||
<!--</lang>--> |
|||
{{out}} |
{{out}} |
||
<pre> |
<pre> |