11 lines
324 B
Text
11 lines
324 B
Text
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fcn topswops(n){
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flip:=fcn(xa){
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if (not xa[0]) return(0);
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xa.reverse(0,xa[0]+1); // inplace, ~4x faster than making new lists
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return(1 + self.fcn(xa));
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};
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(0).pump(n,List):Utils.Helpers.permute(_).pump(List,"copy",flip).reduce("max");
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}
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foreach n in ([1 .. 10]){ println(n, ": ", topswops(n)) }
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