anonymous
  • anonymous
how to write a factorial in C++
Computer Science
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
factorial !! explain more plz !!!
anonymous
  • anonymous
3 factorial = 3! = (3*2*1)
anonymous
  • anonymous
so say i want \[\frac{ x^3 }{ 3! }\]

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anonymous
  • anonymous
is there an operator for that
anonymous
  • anonymous
or would i just type it out as (3*2*1)
anonymous
  • anonymous
I got it , I'll explain the algorithm : we can write a loop like this : for i is from x to 1 then : x! = x * (x-1)
anonymous
  • anonymous
ok
anonymous
  • anonymous
how would i write this
anonymous
  • anonymous
most efficiently
anonymous
  • anonymous
for example .. to calc 5! : for i= 1 to 5 do x!=x(x-1) is it clear ?
anonymous
  • anonymous
is that all you would type
anonymous
  • anonymous
what does i mean
anonymous
  • anonymous
I'm sorry I'll not write the code to you , I've told you the idea and U've to try ... good luck
anonymous
  • anonymous
ok thanks
eSpeX
  • eSpeX
@iop360 Try writing the steps out by hand, then look at the process you used and replicate it in your code.

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