WAP to input any number and display its factorial.
The following is the source codeto input any number and display its factorial:
#include <stdio.h>
#include <conio.h>
int main()
{
int a, i, factorial;
factorial = 1;
printf("Input any number: ");
scanf("%d", &a);
if (a==0 || a==1) {
printf("The factorial is 1");
} else if (a<0) {
for (i=a; i<0; ++i) {
factorial *= i;
}
} else {
for (i=a; i>0; --i) {
factorial *= i;
}
}
printf("The factorial of %d is %d.", a, factorial);
}
