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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Sleeping-Beauty-problem/Phix/sleeping-beauty-problem.phix Normal file
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<span style="color: #008080;">constant</span> <span style="color: #000000;">iterations</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">1_000_000</span><span style="color: #0000FF;">,</span>
<span style="color: #000000;">fmt</span> <span style="color: #0000FF;">=</span> <span style="color: #008000;">"""
Wakings over %,d repetitions = %,d
Percentage probability of heads on waking = %f%%
"""</span>
<span style="color: #004080;">integer</span> <span style="color: #000000;">heads</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">wakings</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0</span>
<span style="color: #008080;">for</span> <span style="color: #000000;">i</span><span style="color: #0000FF;">=</span><span style="color: #000000;">1</span> <span style="color: #008080;">to</span> <span style="color: #000000;">iterations</span> <span style="color: #008080;">do</span>
<span style="color: #004080;">integer</span> <span style="color: #000000;">flip</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">rand</span><span style="color: #0000FF;">(</span><span style="color: #000000;">2</span><span style="color: #0000FF;">)</span> <span style="color: #000080;font-style:italic;">-- 1==heads, 2==tails</span>
<span style="color: #000000;">wakings</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">1</span> <span style="color: #0000FF;">+</span> <span style="color: #0000FF;">(</span><span style="color: #000000;">flip</span><span style="color: #0000FF;">==</span><span style="color: #000000;">2</span><span style="color: #0000FF;">)</span>
<span style="color: #000000;">heads</span> <span style="color: #0000FF;">+=</span> <span style="color: #0000FF;">(</span><span style="color: #000000;">flip</span><span style="color: #0000FF;">==</span><span style="color: #000000;">1</span><span style="color: #0000FF;">)</span>
<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: #000000;">fmt</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">iterations</span><span style="color: #0000FF;">,</span><span style="color: #000000;">wakings</span><span style="color: #0000FF;">,</span><span style="color: #000000;">heads</span><span style="color: #0000FF;">/</span><span style="color: #000000;">wakings</span><span style="color: #0000FF;">*</span><span style="color: #000000;">100</span><span style="color: #0000FF;">})</span>
<!--