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25
Task/Humble-numbers/PascalABC.NET/humble-numbers.pas
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25
Task/Humble-numbers/PascalABC.NET/humble-numbers.pas
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##
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function humbles: sequence of uint64;
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begin
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var s := hset(uint64(1));
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while True do
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begin
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var m := s.min;
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yield m;
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s -= m;
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foreach var k in |2, 3, 5, 7| do s += k * m;
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end;
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end;
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println('The first 50 humble numbers are:');
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foreach var n in humbles.Take(50) index i do
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write(n:4, if i mod 10 = 9 then #10 else '');
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println;
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println('Digits Count');
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for var dig := 1 to 18 do
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begin
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var count := humbles.SkipWhile(x -> x < 10 ** (dig - 1))
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.TakeWhile(x -> x < 10 ** dig).Count;
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writeln(dig:2, count:10);
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end;
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