C Program to Find Factorial of a Number

Program to Find Factorial of a Number

#include<stdio.h>

//declaration of function

int fact(int);

void main()

{

int a,d;

printf("enter the number: ");

scanf("%d",&a);

d = fact(a); //function calling

printf("\nthe factorial of entered number is %d",d);

}

//definition of function 

int fact(int x)

{

int i=1,b=1 ;

while(i<=x)

{

b = b*i;

i++;

}

return b;

}

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