#include<math.h>#include<stdio.h>#include<stdlib.h>#include<unistd.h>//#define MAX 1024static int count=1;int m;void Dispatch_Fill(int y,int x,int start_y,int end_y,int start_x,int end_x,int *p){	int sx1,sx2,sx3,sx4,sy1,sy2,sy3,sy4;	if(start_x==end_x || start_y==end_y)//in fact,judge start_y==end_y is just for beautiful		return;	sx1=start_x;	sx2=(end_x-start_x+1)/2+start_x-1;	sx3=sx2+1;	sx4=end_x;	sy1=start_y;	sy2=(end_y-start_y+1)/2+start_y-1;	sy3=sy2+1;	sy4=end_y;//	printf("%d	%d	%d	%d\n",sx1,sx2,sx3,sx4);		if(sx1<=x && x<=sx2 && sy1<=y && y<=sy2){		*(p+sx2*(int)pow(2,m)+sy3)=count;		*(p+sx3*(int)pow(2,m)+sy3)=count;		*(p+sx3*(int)pow(2,m)+sy2)=count++;		Dispatch_Fill(y,x,sy1,sy2,sx1,sx2,p);        	Dispatch_Fill(sy3,sx2,sy3,sy4,sx1,sx2,p);        	Dispatch_Fill(sy3,sx3,sy3,sy4,sx3,sx4,p);        	Dispatch_Fill(sy2,sx3,sy1,sy2,sx3,sx4,p);	}	else if(sx1<=x && x<=sx2 && sy2<y && y<=sy4){		*(p+sx2*(int)pow(2,m)+sy2)=count;		*(p+sx3*(int)pow(2,m)+sy3)=count;		*(p+sx3*(int)pow(2,m)+sy2)=count++;		Dispatch_Fill(sy2,sx2,sy1,sy2,sx1,sx2,p);        	Dispatch_Fill(y,x,sy3,sy4,sx1,sx2,p);        	Dispatch_Fill(sy3,sx3,sy3,sy4,sx3,sx4,p);        	Dispatch_Fill(sy2,sx3,sy1,sy2,sx3,sx4,p);	}	else if(sx2<x && x<=sx4 && sy2<y && y<=sy4){		*(p+sx2*(int)pow(2,m)+sy2)=count;		*(p+sx2*(int)pow(2,m)+sy3)=count;		*(p+sx3*(int)pow(2,m)+sy2)=count++;		Dispatch_Fill(sy2,sx2,sy1,sy2,sx1,sx2,p);        	Dispatch_Fill(sy3,sx2,sy3,sy4,sx1,sx2,p);        	Dispatch_Fill(y,x,sy3,sy4,sx3,sx4,p);        	Dispatch_Fill(sy2,sx3,sy1,sy2,sx3,sx4,p);	}	else if(sx2<x && x<=sx4 && sy1<=y && y<=sy2){		*(p+sx2*(int)pow(2,m)+sy2)=count;		*(p+sx2*(int)pow(2,m)+sy3)=count;		*(p+sx3*(int)pow(2,m)+sy3)=count++;	        Dispatch_Fill(sy2,sx2,sy1,sy2,sx1,sx2,p);        	Dispatch_Fill(sy3,sx2,sy3,sy4,sx1,sx2,p);        	Dispatch_Fill(sy3,sx3,sy3,sy4,sx3,sx4,p);        	Dispatch_Fill(y,x,sy1,sy2,sx3,sx4,p);	}	return;}int main(int argc,char **argv){	int i,j,x,y,*p;		printf("please input the Index you want to input:	");	scanf("%d",&m);	printf("please input the x coordinate about the specified:	");	scanf("%d",&x);	printf("please input the y coordinate about the specified:	");	scanf("%d",&y);		p=(int *)malloc(sizeof(int)*(pow(2,m)+1)*(pow(2,m)+1));	for(i=1;i<=pow(2,m);i++)		for(j=1;j<=pow(2,m);j++)			*(p+i*(int)pow(2,m)+j)=-1;	*(p+x*(int)(pow(2,m))+y)=0;	Dispatch_Fill(y,x,1,pow(2,m),1,pow(2,m),p);	//(y,x),(1,pow(2,m)),(1,pow(2,m)),p	for(i=1;i<=pow(2,m);i++)	{		for(j=1;j<=pow(2,m);j++)		{			if(*(p+i*(int)pow(2,m)+j)<0)			{				printf("%d  ",*(p+i*(int)pow(2,m)+j));			}			else if(*(p+i*(int)pow(2,m)+j)<10)			{				printf("%d   ",*(p+i*(int)pow(2,m)+j));			}			else if(*(p+i*(int)pow(2,m)+j)<100)			{				printf("%d  ",*(p+i*(int)pow(2,m)+j));			}			else 			{				printf("%d ",*(p+i*(int)pow(2,m)+j));			}		}		printf("\n");	}	free(p);	return 0;}