12. Write a recursive function that calculates the factorial...

12. Write a recursive function that calculates the factorial number using C and assembly. A recursive function A recursive assembly code AREA main, CODE, READONLY EXPORT _main ENTRY _main PROC 0x08000130 0x08000134 0x08000136 0x08000138 0x0800013A 0x0800013C 0x08000136 0x08000140 0x08000142 0x08000144 0x00000148 0x0800014C

Transcript

00:01 Hello, welcome to this lesson.

00:02 This lesson will use the programming language to write a recursive program in order to find out the factory of numbers.

00:16 So the concept of factorial is that you have the number times, the number one less it times, the number one less it in that other until you get to one.

00:30 So for example if you have a factorial of five then you have five times four times three times two times one okay so two of ten goes from ten to one okay in the order so let's write it caseably now we expect the output to be an integer and let's name the function as factorial and we expect to put in an argument which is an integer so now if the integer we put in is greater or equal to one okay then at this point you would return and times the factorial and minus one so at each point you will reduce the number given to us by one and put in into the function again so that the function will call itself else so for example if you have zero then we would return one okay so here we are assuming that the numbers that we put in us and they are positive integers from zero to probably infinity or some other huge numbers okay so that's the whole of the recursion the function calls itself until we get to a number that is equal to one okay then it retains the anger at this point in the main method we can output the factorial to see what actually and that i will print if we put in some value of integer for 3 to or 6 so here i'll use the print statement and so print f you'll say the tutorial is so i'll use the string template for the integer okay, so at this point i can bring my factorial call the function.

03:28 So let me put six here.

03:32 Okay, so i'm looking at 6th factorial...

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