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Khan iterative factorial with BigInt
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julia> function iterative_factorial(n) | |
result = big(1) | |
for i in range(1, n) | |
result *= i | |
end | |
result | |
end | |
iterative_factorial (generic function with 1 method) | |
julia> iterative_factorial(0) | |
1 | |
julia> iterative_factorial(1) | |
1 | |
julia> iterative_factorial(7) | |
5040 | |
julia> @time iterative_factorial(500) | |
0.000168 seconds (1.58 k allocations: 139.318 KiB) | |
1220136825991110068701238785423046926253574342803192842192413588385845373153881997605496447502203281863013616477148203584163378722078177200480785205159329285477907571939330603772960859086270429174547882424912726344305670173270769461062802310452644218878789465754777149863494367781037644274033827365397471386477878495438489595537537990423241061271326984327745715546309977202781014561081188373709531016356324432987029563896628911658974769572087926928871281780070265174507768410719624390394322536422605234945850129918571501248706961568141625359056693423813008856249246891564126775654481886506593847951775360894005745238940335798476363944905313062323749066445048824665075946735862074637925184200459369692981022263971952597190945217823331756934581508552332820762820023402626907898342451712006207714640979456116127629145951237229913340169552363850942885592018727433795173014586357570828355780158735432768888680120399882384702151467605445407663535984174430480128938313896881639487469658817504506926365338175055478128640000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 |
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