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Ingy döt Net 2026-02-01 16:33:20 -08:00
parent 5150844a7d
commit 4bb20c9b71
7735 changed files with 38060 additions and 199180 deletions
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6
Task/Factorial/Haxe/factorial-1.haxe
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static function factorial(n:Int):Int {
var result = 1;
while (1<n)
result *= n--;
return result;
}

3
Task/Factorial/Haxe/factorial-2.haxe
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static function factorial(n:Int):Int {
return n == 0 ? 1 : n * factorial2(n - 1);
}

7
Task/Factorial/Haxe/factorial-3.haxe
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inline static function _fac_aux(n, acc:Int):Int {
return n < 1 ? acc : _fac_aux(n - 1, acc * n);
}
static function factorial(n:Int):Int {
return _fac_aux(n,1);
}

3
Task/Factorial/Haxe/factorial-4.haxe
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static function factorial(n:Int):Int {
return [for (i in 1...(n+1)) i].fold(function(num, total) return total *= num, 1);
}

58
Task/Factorial/Haxe/factorial-5.haxe
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using StringTools;
using Lambda;
class Factorial {
// iterative
static function factorial1(n:Int):Int {
var result = 1;
while (1<n)
result *= n--;
return result;
}
// recursive
static function factorial2(n:Int):Int {
return n == 0 ? 1 : n * factorial2(n - 1);
}
// tail-recursive
inline static function _fac_aux(n, acc:Int):Int {
return n < 1 ? acc : _fac_aux(n - 1, acc * n);
}
static function factorial3(n:Int):Int {
return _fac_aux(n,1);
}
// functional
static function factorial4(n:Int):Int {
return [for (i in 1...(n+1)) i].fold(function(num, total) return total *= num, 1);
}
static function main() {
var v = 12;
// iterative
var start = haxe.Timer.stamp();
var result = factorial1(v);
var duration = haxe.Timer.stamp() - start;
Sys.println('iterative'.rpad(' ', 20) + 'result: $result time: $duration ms');
// recursive
start = haxe.Timer.stamp();
result = factorial2(v);
duration = haxe.Timer.stamp() - start;
Sys.println('recursive'.rpad(' ', 20) + 'result: $result time: $duration ms');
// tail-recursive
start = haxe.Timer.stamp();
result = factorial3(v);
duration = haxe.Timer.stamp() - start;
Sys.println('tail-recursive'.rpad(' ', 20) + 'result: $result time: $duration ms');
// functional
start = haxe.Timer.stamp();
result = factorial4(v);
duration = haxe.Timer.stamp() - start;
Sys.println('functional'.rpad(' ', 20) + 'result: $result time: $duration ms');
}
}