这是个马踏棋盘的实现程序，可是我运行的时候是把所有的结果全部显示了
问怎么样修改能使结果分屏输出？就是按任意一个键输出结果的一部分，一直到结果显示结束？
#include <iostream.h>
const N=8;const N=8;
const MaxSize=N+2*2;
class Position
{
public:
int x,y;
Position (int x=1,int y=1)
{
this-> x=x;
this-> y=y;
}
};
class Horse
{
private:
int mat[MaxSize][MaxSize];
bool show;
int get(Position p);
void set(Position p,int i);
bool isValid(Position p);
Position goaStep(Position p,int k);
int select(Position p);
void output();
public:
Horse(bool show=false);
~Horse(){}
void play(int x,int y);
};
Horse::Horse(bool show)
{
this-> show=show;
for(int i=0;i <MaxSize;i++)
for(int j=0;j <MaxSize;j++)
if(i> 1 && i <MaxSize-2 && j> 1 && j <MaxSize-2)
mat[i][j]=0;
else
mat[i][j]=-1;
}
int Horse::get(Position p)
{
return mat[p.x+1][p.y+1];
}
void Horse::set(Position p,int i)
{
mat[p.x+1][p.y+1]=i;
}
void Horse::play(int x,int y)
{
Position current(x,y);
int count=1;
int k=1;
while(count <=N*N && k!=0)
{
set(current,count);
cout < < "第 " < <count < < "步 ";
k=select(current);
if(k==0 && count <N*N)
cout < < "第 " < <count < < "步无路可走 ";
else
{
count++;
current=goaStep(current,k);
}
}
}
bool Horse::isValid(Position p)
{
return (get(p)==0);
}
Position Horse::goaStep(Position p,int k)
{
int x=p.x;
int y=p.y;
switch(k)
{
case 1: x-=2; y++; break;
case 2: x--; y+=2; break;
case 3: x++; y+=2; break;
case 4: x+=2; y++; break;
case 5: x+=2; y--; break;
case 6: x++; y-=2; break;
case 7: x--; y-=2; break;
case 8: x-=2; y--; break;
}
Position q(x,y);
return q;
}
int Horse::select(Position p)
{
int i=0,j=0,k=0,road=0,minroad=8;
Position next1,next2;
cout < < "当前位置：( " < <p.x < < ", " < <p.y < < ") " < <endl;
output();
cout < < "方向 下一位置 可通方向 可通路数 " < <endl;
for(i=1;i <=8;i++)
{
road=0;
next1=goaStep(p,i);
if(isValid(next1))
{
cout < < " " < <i < < "\t( " < <next1.x < < ", " < <next1.y < < ")\t ";
for(j=1;j <=8;j++)
{
next2=goaStep(next1,j);
if(isValid(next2))
{
road++;
cout < < " " < <j;