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Zeckendorf number representation: Difference between revisions

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Zeckendorf number representation (view source)

Revision as of 20:32, 14 May 2021

3,635 bytes added ,  3 years ago
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→‎{{header|Phix}}: added syntax colouring the hard way
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=={{header|Phix}}==
<!--<lang Phix>function zeckendorf(integer nphixonline)-->
<span style="color: #008080;">function</span> <span style="color: #000000;">zeckendorf</span><span style="color: #0000FF;">(</span><span style="color: #004080;">integer</span> <span style="color: #000000;">n</span><span style="color: #0000FF;">)</span>
integer r = 0, c
<span style="color: #004080;">integer</span> <span style="color: #000000;">r</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">c</span>
sequence fib = {1,1}
<span style="color: #004080;">sequence</span> <span style="color: #000000;">fib</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #000000;">1</span><span style="color: #0000FF;">}</span>
while fib[$]<n do
<span style="color: #008080;">while</span> <span style="color: #000000;">fib</span><span style="color: #0000FF;">[$]<</span><span style="color: #000000;">n</span> <span style="color: #008080;">do</span>
fib &= fib[$] + fib[$-1]
<span style="color: #000000;">fib</span> <span style="color: #0000FF;">&=</span> <span style="color: #000000;">fib</span><span style="color: #0000FF;">[$]</span> <span style="color: #0000FF;">+</span> <span style="color: #000000;">fib</span><span style="color: #0000FF;">[$-</span><span style="color: #000000;">1</span><span style="color: #0000FF;">]</span>
end while
<span style="color: #008080;">end</span> <span style="color: #008080;">while</span>
for i=length(fib) to 2 by -1 do
<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;">fib</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>
c = n>=fib[i]
<span style="color: #000000;">c</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">n</span><span style="color: #0000FF;">>=</span><span style="color: #000000;">fib</span><span style="color: #0000FF;">[</span><span style="color: #000000;">i</span><span style="color: #0000FF;">]</span>
r += r+c
<span style="color: #000000;">r</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">r</span><span style="color: #0000FF;">+</span><span style="color: #000000;">c</span>
n -= c*fib[i]
<span style="color: #000000;">n</span> <span style="color: #0000FF;">-=</span> <span style="color: #000000;">c</span><span style="color: #0000FF;">*</span><span style="color: #000000;">fib</span><span style="color: #0000FF;">[</span><span style="color: #000000;">i</span><span style="color: #0000FF;">]</span>
end for
<span style="color: #008080;">end</span> <span style="color: #008080;">for</span>
return r
<span style="color: #008080;">return</span> <span style="color: #000000;">r</span>
end function
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
 
for i=0 to 20 do
<span style="color: #008080;">for</span> <span style="color: #000000;">i</span><span style="color: #0000FF;">=</span><span style="color: #000000;">0</span> <span style="color: #008080;">to</span> <span style="color: #000000;">20</span> <span style="color: #008080;">do</span>
printf(1,"%2d: %7b\n",{i,zeckendorf(i)})
<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;">"%2d: %7b\n"</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">i</span><span style="color: #0000FF;">,</span><span style="color: #000000;">zeckendorf</span><span style="color: #0000FF;">(</span><span style="color: #000000;">i</span><span style="color: #0000FF;">)})</span>
end for</lang>▼
<span style="color: #008080;">end</span> <span style="color: #008080;">for</span>
▲end for<!--</lang>-->
{{Out}}
<pre>
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