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Re:哪位大哥帮忙看看,为什么总是WA啊?

Posted by youwubing at 2006-06-13 15:50:22 on Problem 1088
In Reply To:哪位大哥帮忙看看,为什么总是WA啊? Posted by:xcl119xcl at 2006-02-20 15:14:11
> #include <iostream>
> using namespace std;
> 
> int m,n,y,z,d[100][100];
> 
> class skee
> {
> public:
> 	
> 	skee();
> 	void set(int ,int );
> 	void recursion();
> 	void compare();
> private:
> 	int a,b,ci,cj,c[100][100];
> 
> };
> 
> skee::skee()
> {
> 	for(int i=0;i<100;i++)
> 	{
> 		for(int j=0;j<100;j++)
> 		{
> 			c[i][j]=-1;
> 		}
> 	}
> }
> 
> void skee::set(int a1,int b1)
> {
> 	a=a1;
> 	b=b1;
> 	for(int i=0;i<a;i++)
> 	{
> 		for(int j=0;j<b;j++)
> 		{
> 			int k;
> 			cin>>k;
> 			c[i][j]=k;
> 			d[i][j]=0;
> 			cout<<" ";
> 		}
> 		cout<<endl;
> 	}
> 
> }
> 
> void skee::recursion()
> {
> 
>       if(d[m][n]==0||y==0)
> 	  {
> 		  d[m][n]=1;
> 		  y=1;
> 	  }
> 
> 	//向前
> 	if((ci-1)>=0&&cj<b&&c[ci][cj]>c[ci-1][cj])
> 	{
> 		
> 		if(d[ci-1][cj]!=0)
> 		{
> 			if((d[ci-1][cj]+y)>d[m][n])
> 				d[m][n]=y+d[ci-1][cj];
> 		}
> 		else
> 		{
> 			++y;
>             //d[m][n]=y;
> 			ci--;
> 			recursion();
> 			ci++;
> 			y--;
> 		}
> 	}
>      //向右
>     if((cj+1)<b&&ci>=0&&c[ci][cj]>c[ci][cj+1])
> 	{   
> 		
> 		if(d[ci][cj+1]!=0)
> 		{
> 			
> 			if((d[ci][cj+1]+y)>d[m][n])
> 				d[m][n]=y+d[ci][cj+1];
> 		}
> 		else
> 		{
>             ++y;
> 			//d[m][n]=y;
> 			cj++;
> 			recursion();
> 			cj--;
> 			y--;
> 		}
> 	}
>     //向下
>     if((ci+1)<a&&cj>=0&&c[ci][cj]>c[ci+1][cj])
> 	{
> 		
> 		if(d[ci+1][cj]!=0)
> 		{
> 		
> 			if((d[ci+1][cj]+y)>d[m][n])
> 				d[m][n]=y+d[ci+1][cj];
> 		}
> 		else
> 		{
> 			++y;
> 			//d[m][n]=y;
> 			
> 			ci++;
> 			recursion();
> 			ci--;
> 			y--;
> 		}
> 	}
>      //向左
>      if((cj-1)>=0&&ci>=0&&c[ci][cj]>c[ci][cj-1])
> 	{
> 		 
> 		if(d[ci][cj-1]!=0)
> 		{
> 			if((d[ci][cj-1]+y)>d[m][n])
> 				d[m][n]=y+d[ci][cj-1];
> 		}
> 		else
> 		{
> 			++y;
> 			//d[m][n]=y;
> 			cj--;
> 			recursion();
> 			cj++;
> 			y--;
> 		}
> 	}
> 	 
> }
> 
> void skee::compare()
> {
> 	for(int i=0;i<a;i++)
> 	{
> 		for(int j=0;j<b;j++)
> 		{
> 			m=ci=i;
> 			n=cj=j;
> 			recursion();
> 		}
> 	}
> 
> 	for(int i1=0;i1<a;i1++)
> 	{
> 		for(int j1=0;j1<b;j1++)
> 		{
> 			
> 			if(d[0][0]<d[i1][j1])
> 				d[0][0]=d[i1][j1];
> 		}
> 	}
>     cout<<d[0][0];
> }
> 
> void main()
> {
> 	int g,h;
> skee ren;
> while(cin>>g>>h)
> {
> ren.set(g,h);
> ren.compare();
> }
> }

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