loop.cpp

这是一个小小的程序

//using a nested loop to generate mutiplication tables
//just to fun!
#include<iostream>
#include<iomanip>
#include<cctype>
#include<ctime>
#include<windows.h> 
using namespace std;

int main(){
	const int len_max=12;
	const int wid_max=12;
	int tab_len,tab_wid;
	char reply;
	int count=1;
int i;
	do{
		cout<<"please input the length"<<"(0-"
			<<len_max<<")"<<endl;
		cin>>tab_len;
		cout<<"please input the width"<<"(0-"
			<<wid_max<<")"<<endl;
		cin>>tab_wid;
		if(tab_len>len_max||tab_wid>wid_max){
			cout<<"Invalid input."<<endl;
			cout<<endl<<"Do you want to continue?"<<endl;
			cin>>reply;
			if(reply=='y')
			{
				count++;
				continue;
			}
			else
				break;
		}
		cout<<"    ";
		for(i=1;i<=tab_len;i++)
			cout<<setw(5)<<i;
		cout<<endl;
		for(i=1;i<=tab_len;i++)
			cout<<"------";
		cout<<endl;
		for(i=1;i<=tab_wid;i++)
		{
			cout<<setw(2)<<i<<'|'<<' ';
			for(int j=1;j<=tab_len;j++)
				cout<<setw(5)<<i*j;
			cout<<endl;
		}
		cout<<"Do you want to generate another one?('y'or'Y')"<<endl;
		cin>>reply;
	}while(tolower(reply)=='y'&&count<=3);
	if(count=3)
		cout<<"Sorry! You have tried for 3 times!"<<endl;


char*pStr=  "                                        ┃                    \n" 
"                                        ┃                   \n" 
"                              ┏━━━━┻━━━━┓           \n" 
"                              ┃    关于作者      ┃          \n" 
"                    ┏━━━━┻━━━━━━━━━┻━━━━┓\n" 
"                    ┃                                      ┃\n" 
"                    ┃       Aauthor:                       ┃\n" 
"                    ┃       QQ:                            ┃\n" 
"                    ┃       E-mail:                        ┃\n" 
"                    ┃                                      ┃\n" 
"                    ┗━━━━━━━━━━━━━━━━━━━┛\n"; 
system("cls"); 

srand(time(0)); 
for(i=0; i<strlen(pStr); i++) 
{ 
	if(pStr[i]!=' ') 
	{ 
		Sleep(20); 
	} 
	cout<<pStr[i]; 
} 
cout<<endl<<endl<<endl<<endl; 

	return 1;
}