jiecheng.cpp

一个简单的计算N!程序

#include<iostream.h>
#include<conio.h>
#include<math.h>
#include "jiecheng.h"

void main(){
  int number;
  char key;
  while(key!='Q'&&key!='q'){
    cout<<"Please input the number!"<<endl;
    cin>>number;
    if(number<0){cerr<<"Input Error!"<<endl;}
    else{
      jiecheng A(number);
      A.ShowResult();
    }
    cout<<"\nQuit:Q or q Continue:other keys!"<<endl;
    key = getch();
  }
}