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请给错误数据!!!!!!!!!!!!!!!!!!!!!!!

Posted by cjycjw at 2006-11-06 21:03:50 on Problem 2704
#include<stdio.h>
#include<string.h>
struct node
{
	int row;
	int col;
}sq[2048];
int front,rear,x,y,t,n,tag[35][35];
__int64 f[35][35];
int map[35][35];
void count()
{
	memset(f,0,sizeof(f));
	memset(tag,0,sizeof(tag));
	front=0;
	rear=1;
	f[1][1]=1;
	sq[rear].row=1;
	sq[rear].col=1;
	while(front<rear)
	{
		front++;
		x=sq[front].row;
		y=sq[front].col;
		if((t=y+map[x-1][y-1])<=n)
		{
			f[x][t]+=f[x][y];
			if(!tag[x][t]&&!(x==n&&t==n))
			{
			    rear++;
			    sq[rear].row=x;
			    sq[rear].col=t;
				tag[x][t]=1;
			}
			
		}
		if((t=x+map[x-1][y-1])<=n)
		{
			f[t][y]+=f[x][y];
			if(!tag[t][y]&&!(t==n&&y==n))
			{
				rear++;
			    sq[rear].row=t;
			    sq[rear].col=y;
				tag[t][y]=1;
			}
		}
	}
}
int main()
{
	int i,j;
	while(scanf("%d",&n)&&n!=-1)
	{
	    for(i=0;i<n;i++)
		{
			for(j=0;j<n;j++)
			{
				scanf("%1d",&map[i][j]);
			}
		}
		count();
		printf("%I64d\n",f[n][n]); 
	}
	return 0;
}

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