数字华容道2.0 最近总有人说不知道怎么玩,现在增加了说明

#include <bits/stdc++.h>
#include <windows.h>
#include <conio.h>
using namespace std;
char wasd;
int n,a[1005][1005],b[1005][1005];
struct node{
	int x,y;
}o;
void chushihua(){
	o.x=o.y=n-1;
	for(int i=0;i<n;i++){
		for(int j=0;j<n;j++){
			a[i][j]=i*n+(j+1);
			b[i][j]=i*n+(j+1);
		}
	}
	a[n-1][n-1]=0;
}
void shuchu(){
	for(int i=0;i<n;i++){
		for(int j=0;j<n;j++)
			if(a[i][j]==0) printf("*   ");
			else printf("%-4d",a[i][j]);
		cout<<"\n\n";
	}
}
void daluan1(){
	int wasd2=rand()%5;
	while(wasd2==0) wasd2=rand()%(5);
	if(wasd2==1&&o.x>0){
		swap(a[o.x][o.y],a[o.x--][o.y]);
	}else if(wasd2==2&&o.x<n-1){
		swap(a[o.x][o.y],a[o.x++][o.y]);
	}else if(wasd2==3&&o.y>0){
		swap(a[o.x][o.y],a[o.x][o.y--]);
	}else if(wasd2==4&&o.y<n-1){
		swap(a[o.x][o.y],a[o.x][o.y++]);
	}
}
void daluan(int i){
	for(int j=0;j<i;j++){
		daluan1();
	}
}
void duru(){
	wasd=getch();
	if((wasd=='w'||wasd=='W')&&o.x>0){
		swap(a[o.x][o.y],a[o.x--][o.y]);
	}else if((wasd=='s'||wasd=='S')&&o.x<n-1){
		swap(a[o.x][o.y],a[o.x++][o.y]);
	}else if((wasd=='a'||wasd=='A')&&o.y>0){
		swap(a[o.x][o.y],a[o.x][o.y--]);
	}else if((wasd=='d'||wasd=='D')&&o.y<n-1){
		swap(a[o.x][o.y],a[o.x][o.y++]);
	}
}
void gotoxy(int x, int y) {
	COORD pos = {x,y};
	HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);
	SetConsoleCursorPosition(hOut, pos);
	return ;
}
void tishi(){
	cout<<"\"*\"表示空格\n";
	cout<<"按wasd控制\"*\"的走向\n";
	cout<<"祝你玩的愉快\n";
}
int main(){
	cin>>n;
	srand(time(0));
	chushihua();
	daluan(n*n*n*n);
	while(true){
		gotoxy(0,0);
		tishi();
		shuchu();
		duru();
	}
	return 0;
}