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mencari faktorial dari bilangan yang diberikan. Ruby

mencari faktorial dari bilangan yang diberikan. Ruby

#faktorial

Ruby

xxxxxxxxxx
 
puts "Enter the number:"
num=gets.chomp.to_i
​
fact=1
if (num==0)
    puts "Error! Could not find the factorial of one"
else
    i=1
    while(i<=num)
        fact=fact*i
        i+=1
    end
end
        puts "factorial of #{num} is #{fact}"

Output result

Enter the number:
5
factorial of 5 is 120

Ruby

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