C++简易计数器

//
//Created by Carlgood.
//
//Note:This program is written in version DEV-C++ 5.11.
# include<iostream>
# include<cmath>
# include<string>
# include<cstring>
# include<cstdio>
# include<algorithm>
# include<sstream>
# include<iomanip>
# include<vector>
# include<queue>
# include<deque>
# include<stack>
# include<stdio.h>
# include<windows.h>
# include<stdio.h>
# include<conio.h>
# define This_program_is_written_by_Carlgood_Programming_Studio 9876543210
using namespace std;
int jian()
{
	char c;
	while(1)
	{
		if(kbhit())
	    {
	        c=getch();
	        if(c=='u'||c=='U')
	        {
	           	return 1;
	        }
	        else if(c=='d'||c=='D')
	        {
	        	return 2;
			}
			else if(c=='c'||c=='C')
			{
				return 3;
			}
		}
	}
}
int mai