recollection.c

来自「数据结构实验马踏棋盘,按照程序提示操作」· C语言 代码 · 共 32 行

#include "source.h"
Chk *Recoll(int a[8][8],Chk *local,int flag1[1])
{
	int i;
	Chk *p1;
	if(flag1[0]==0)
	{
		a[local->i][local->j]=-2;
		local=local->prior;
	}
	if(flag1[0]==1)
	{
		a[local->i][local->j]=0;
		for(i=0;i<8;i++)
		{
			if(local->prior->HTry1[i]==local->i&&local->prior->HTry2[i]==local->j)
			{
				local->prior->HTry1[i]=-2;
				local->prior->HTry2[i]=-2;
				break;
			}
		}
		p1=local;
		local=local->prior;
		free(p1);
		local->next=NULL;
		flag1[0]=1;
	}	
	return local;
}