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September 2017 Update

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Ingy döt Net 2017-09-23 10:01:46 +02:00
parent bba7bfd280
commit ba8067c3b7
14570 changed files with 153136 additions and 63871 deletions
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6
Task/Move-to-front-algorithm/Zkl/move-to-front-algorithm-1.zkl Normal file
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fcn encode(text){ //-->List
st:=["a".."z"].pump(Data); //"abcd..z" as byte array
text.reduce(fcn(st,c,sink){
n:=st.index(c); sink.write(n); st.del(n).insert(0,c); },st,sink:=L());
sink;
}

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Task/Move-to-front-algorithm/Zkl/move-to-front-algorithm-2.zkl Normal file
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fcn decode(list){ //-->String
st:=["a".."z"].pump(String); //"abcd..z"
sink:=Sink(String);
list.reduce('wrap(st,n){ c:=st[n]; sink.write(c); c+st.del(n); },st);
sink.close();
}

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Task/Move-to-front-algorithm/Zkl/move-to-front-algorithm-3.zkl Normal file
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texts:=T("broood","bananaaa","hiphophiphop");
out:=texts.apply(encode);
texts.zipWith(fcn(t,e){ println(t,"-->",e) },out);
out.apply(decode).println();
texts.zipWith('==,out.apply(decode)).println();