15 lines
254 B
Text
15 lines
254 B
Text
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func entropy s$ .
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len d[] 255
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for c$ in strchars s$
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d[strcode c$] += 1
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.
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for cnt in d[]
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if cnt > 0
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prop = cnt / len s$
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entr -= (prop * logn prop / logn 2)
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.
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.
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return entr
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.
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print entropy "1223334444"
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