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< html > < head >
< object type = "application/x-oleobject" classid = "clsid:1e2a7bd0-dab9-11d0-b93a-00c04fc99f9e" >
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< param name = "Keyword" value = "in" >
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< / object >
< meta http-equiv = "Content-Type" content = "text/html; charset=windows-1251" >
< title > < / title >
< link rel = "StyleSheet" href = "../../default.css" > < / head >
< body > < H1 > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / H1 >
< p > <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
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<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < code > < b > in< / b > < / code >
(<28> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ) < code > +< / code > (<28> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ), < code > -< / code >
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(<28> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ) <20> < code > *< / code > (<28> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> )< span lang = "ru" > , <20> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / span > < code >
+=< / code > < span lang = "ru" > , < / span > < code > -=< / code > < span lang = "ru" > <20> < / span >
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< code > *=< / code > : < / p >
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< blockquote >
< p > < code > < b > var< / b > s1,s2,s: < b > set< / b > < b > of< / b > byte;< br >
< b > begin< br >
< / b > s1 := [1..4];< br >
s2 := [2..5];< br >
s := s1 + s2; // s = [1..5]< br >
s := s1 - s2; // s = [1]< br >
s := s1 * s2; // s = [2..4]< br > // s < span lang = "ru" > +< / span > =< span lang = "ru" >
s1 <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> s := s + s1< / span > < br > // s -=< span lang = "ru" >
s1 <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> s := s - s1< / span > < br > // s *=< span lang = "ru" >
s1 <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> s := s * s1< / span > < br > < span lang = "ru" > < / span > s < span lang = "ru" > +< / span > =< span lang = "ru" >
< / span > [3..6]; // s = [2..6] < br >
< span lang = "ru" > < / span > s -=< span lang = "ru" > < / span > [3];
// s = [2,4..6] < br >
< span lang = "ru" > < / span > s *=< span lang = "ru" > < / span > [1..5]; // s = [2,4..5]
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< br > Print(3 < strong > in< / strong > s1); // True< br >
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< b > end< / b > .< / code > < / p >
< / blockquote >
< p > <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> = (<28> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ), < code > < > < / code >
(<28> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ), < = (<28> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ), < (<28> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ), > = (<28> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ) <20>
> (<28> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ):< / p >
< blockquote >
< p > < code > [1..3] = [1,2,3]< br >
['a'..'z'] < > ['0'..'9']< br >
[2..4] < [1..5]< br >
[1..5] < = [1..5]< br >
[1..5] > [2..4]< br >
[1..5] > = [1..5]< / code > < / p >
< / blockquote >
< p > <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> , <20> <> <EFBFBD> < code > [1..5] < [1..5]< / code > .< / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> , <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < code > < b > in< / b > < / code >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> , <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> : < code > 3 < b > in< / b > [2..5]< / code >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < code > True< / code > , < code > 1 < b > in< / b > [2..5]< / code > <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < code > False< / code > .< / p >
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< p > <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> HashSet< T> <20> SortedSet< T> . <20> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <20> <> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> , <20> <> <EFBFBD> <20> <20> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <20> <> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> :< / p >
< blockquote >
< p > < code > < b > begin< br >
var
< / b > s1 := new HashSet< integer> ;< br > s1 := HSet(Range(1,4));< br >
< b > var
< / b > s2 := HSet(Range(2,5));< br >
< strong > var < / strong > s := s1 + s2; // s = [1..5]< br >
< strong > var < / strong > s := s1 - s2; // s = [1]< br >
< strong > var < / strong > s := s1 * s2; // s = [2..4]< br > Print(3
< strong > in< / strong > s1); // True< br > < b > end< / b > .< / code > < / p >
< / blockquote >
< p > < / p >
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< / body > < / html >
