Program Perkalian("!") Pada C++

#include
#include
#include
bil()
{
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(); }