Lokesh Kumar in C languageProgramming

42-Write a program to find the factorial of a number using function

Program: 42

Write a program to find the factorial of a number using function.

#include #include int factorial(int); void main() { int num, fact; printf("Enter any number: "); scanf("%d", &num); fact=factorial(num); printf("The factorial of %d is %d.", num, fact); getch(); } int factorial(int x) { int i, f=1; for(i=x;i>=1;i--) { f=f*i; } return (f); }
Output
`Enter any number: 6 The factorial of 6 is 720.`

#include
#include
int factorial(int);
void main()
{
    int num, fact;
    printf("Enter any number: ");
    scanf("%d", &num);
    fact=factorial(num);
    printf("The factorial of %d is %d.", num, fact);
getch();
}
int factorial(int x)
{
    int i, f=1;
    for(i=x;i>=1;i--)
    {
        f=f*i;
    }
    return (f);
}

Output

Enter any number: 6 The factorial of 6 is 720.

Next Read: 43-Write a program to show the functioning of gets and puts. »

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Program: 42

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