Question

how to write a factorial in C++

Answer 1

factorial !! explain more plz !!!

Answer 2

3 factorial = 3! = (3*2*1)

Answer 3

so say i want \[\frac{ x^3 }{ 3! }\]

Answer 4

is there an operator for that

Answer 5

or would i just type it out as (3*2*1)

Answer 6

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)

Answer 7

ok

Answer 8

how would i write this

Answer 9

most efficiently

Answer 10

for example .. to calc 5! :
for i= 1 to 5 do
x!=x(x-1)
is it clear ?

Answer 11

is that all you would type

Answer 12

what does i mean

Answer 13

I'm sorry I'll not write the code to you , I've told you the idea and U've to try ... good luck

Answer 14

ok thanks

Answer 15

@iop360 Try writing the steps out by hand, then look at the process you used and replicate it in your code.