Question

6. (30 points: 10 + 10 + 10) Draw 'Flow chart to find factorial using recursive method. Write a program in C and Assembly language to implement the Flow chart.

Answer 1

START READ N -NO N> 0 > YES ERROR FACT = 1 STOP N == 1 YES WRITE FACT STOP FACT=FACTEN N=N+1

CODE IN C

#include<stdio.h>

long factorial(int N)

{

long fact = 1;

if (N == 1)

return(1);

else

fact = N * factorial(N-1);

return fact;

}

int main()

{

int num;

long fact;

printf("Enter a number: ");

scanf("%d", &num);

fact = factorial(num);

printf("\nFactorial of %d is %ld", num, fact);

}

#include<stdio.h> AWNP > clang-7 -pthread -m -o main main 5 ./main Enter a number: 10 long factorial(int N) Factorial of 10 is 3628800||| 5 6 long fact = 1; if (N == 1) return(1); elsel fact = N * factorial(N-1); return fact; } 9 11 int main() 13 14 15 16 17 int num; long fact; printf("Enter a number: "); scanf("%d", &num); fact = factorial(num); printf("\nFactorial of %d is %ld", num, fact); 19 20 21

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