> 那位大侠帮看看。
> 所有数据都过，就是RUNTIME ERROR
> #include <stdio.h>
> int a[101][101]={0},f[101][101];
> int main()
> {
> 	
> 	int search(int x,int y);
> 	int i,j,r,c,max;
> 	extern int a[101][101],f[101][101];
>     scanf("%d %d",&r,&c);
> 	for (i=0;i<=101;i++)
> 		for (j=0;j<=101;j++)
> 		{
> 			f[i][j]=-1;
> 			a[i][j]=-1;
> 		}
> 	for(i=1;i<=r;i++)
> 		for(j=1;j<=c;j++)
> 			scanf("%d",&a[i][j]);
> 
> 	max=-1;
> 	for(i=1;i<=r;i++)
> 		for(j=1;j<=c;j++)
> 		{
> 			f[i][j]=search(i,j);
> 			if (max<f[i][j]) max=f[i][j];
> 		}
> 	printf("%d\n",max);
> }
> int ma(int x,int y)
> {
> 	if (x>y) return x;
> 	else return y;
> }
> int search(int x,int y)
> {
>    extern int a[101][101];
>    int a1,b,c,d,ans,m;
>    if (a[x][y]==-1) return 0;
>    if ((f[x-1][y]==-1)&&(a[x][y]>=a[x-1][y]))
>    {
> 	   a1=search(x-1,y);
> 	   f[x-1][y]=a1;
>    }
>    if ((f[x][y-1]==-1)&&(a[x][y]>=a[x][y-1]))
>    {
> 	   b=search(x,y-1);
> 	   f[x][y-1]=b;
>    }
>    if ((f[x][y+1]==-1)&&(a[x][y]>=a[x][y+1]))
>    {
> 	   c=search(x,y+1);
> 	   f[x][y+1]=c;
>    }
>    if ((f[x+1][y]==-1)&&(a[x][y]>=a[x+1][y]))
>    {
> 	   d=search(x+1,y);
> 	   f[x+1][y]=d;
>    }
>    m=-1;
>    ans=0;
>    if (a[x][y]>=a[x-1][y]) m=ma(m,f[x-1][y]);
>    if (a[x][y]>=a[x][y-1]) m=ma(m,f[x][y-1]);
>    if (a[x][y]>=a[x+1][y]) m=ma(m,f[x+1][y]);
>    if (a[x][y]>=a[x][y+1]) m=ma(m,f[x][y+1]);
>    ans=ans+m+1;
>    return ans;
> }

• Re:救命啊！！！！！！！！！！ (1317) tanyin 2009-04-22 16:49:35