Factorial Of a Number Using For loop

//Factorial of a Number Using For loop in C. 


#include<stdio.h>

#include<conio.h>

void main()
{
int n,i,f;

clrscr();

printf("Enter a Number\n");

scanf("%d",&n);

for(i=1,f=1;i<=n;i++)

   {f=f*i;}

   printf("The factorial is %d",f);

   getch();
   }

//Multiplication table of a user defined number using for loop in C.


#include<stdio.h>

#include<conio.h>

void main()

{
int i,n,p;

clrscr();

printf("Enter a number\n");

scanf("%d",&n);

for (i=1;i<=10;i++)

    {p=i*n;

     printf("%d X %d = %d\n",n,i,p);

     }

     getch();
     }

//Multiplication table of All numbers up to 10 using for loop in C.

#include<stdio.h>

#include<conio.h>

void main()
{
int n,i,p,j;

clrscr();

for (i=1;i<=10;i++)

    {printf("The multiplication table of %d\n",i);

    printf("\n");

     for(j=1;j<=10;j++)

    { p=i*j;

     printf("%d X %d = %d\n",i,j,p);

     printf("\n");

     printf("\n");
     }
     }
     getch();
     }