Program Perkalian( '!') Pada C++

#include

#include

#include
main()
{
int i,N,L,kal;

printf("masukkan angka: ");
scanf("%d",&N);
for(i=1;i<=N-1;i++)
{
printf("%dx",i);
}
printf("%d=",N);
L=1;
kal=1;
while (L<=N)
{
kal=kal*L;
L=L+1;
}
printf("%d",kal);
}

main()
{
printf("**************************\n");
printf("*program hitung perkalian*\n");
printf("**************************");
printf("\n");
bil();
getch();
}