#include<bits/stdc++.h>
#include<Windows.h>
using namespace std;
int main(){
start:
	system("title 2.0");
	system("cls"); 
	cout<<"2.0"<<endl;
	cout<<"˵:" <<endl;
	cout<<"θ²ȡ\"panghuya\",˴롣"<<endl<<endl; 
	cout<<"1.  2.Ӣ  3.ģʽ  4.˳ ѡ";
	int n,p=0;
	cin>>n;
	srand(time(NULL));
	if(n==1||n==2||n==3)
	{
		cout<<"λ"; 
		cin>>p;
		cout<<"ǣ" ;
	}
	if(n==1)
	{
		for(int i=0;i<p;i++)
		{
			int a=rand()%10;
			cout<<a;
		}
	}
	else
		if(n==2)
		{
			for(int i=0;i<p;i++)
			{
				int a=rand()%53;
				if(a<=26&&a>0)
				{
					char out=97+a-1;
					cout<<out;
				}
				if(a>26)
				{
					char out=65+a-26-1;
					cout<<out;
				}
				if(a==0)
				{
					i--;
				}
			}
		}
		else
			if(n==3)
			{
				for(int i=0;i<p;i++)
				{
					int c=rand()%2;
					if(c==0)
					{
						int a=rand()%10;
						cout<<a;
					}
					else
					if(c==1)
					{
						int a=rand()%53;
						if(a<=26&&a>0)
						{
							char out=97+a-1;
							cout<<out;
						}
						if(a>26)
						{
							char out=65+a-26-1;
							cout<<out;
						}
						if(a==0)
						{
							i--;
						}
					}
				}
			} 
			else
			{
				return 0;
			}
	if(n==1||n==2||n==3)
	{
		cout<<endl;
		system("pause");
	}
	goto start;
	return 0;
}
