C Program to Calculate Factorial of A Number

Program :-

#include < stdio.h >
main() {
    int n,i = 1,fact = 1;
    printf("\n enter the number :");
    scanf("%d",&n);
    for(;i < = n; i++){
        fact = fact * i ;
    }
    printf("%d!=%d",n,fact);
}

Output :-

enter the number  :  3
3! = 6