Exercise 3.46 (Deitel: C How to Program 6th Edition)

a) Write a program that reads a nonnegative integer and computes and prints its factorial.

#include <stdio.h>

int main(){
    int fact, result = 1, i;
    printf("Masukan angka non negative: ");
    scanf("%d", &fact);
    if(fact>0){
       for(i=fact; i>=1; i--){
          result *= i;
       }
       printf("Hasil dari %d! adalah %d.\n", fact, result);
    }
    system("pause");
}