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Re:能帮我看看是哪里错了吗? 已经好几天了,还没有找到错误

Posted by xfxyjwf at 2006-03-20 21:02:07 on Problem 1088
In Reply To:能帮我看看是哪里错了吗? 已经好几天了,还没有找到错误 Posted by:clwey at 2006-03-20 19:09:59
k[a*i+j]=c[i][j];
=>
k[b*i+j]=c[i][j];
这样的错还真难找唉...

> #include"stdio.h"
> #include"stdlib.h"
> int cmp ( const void *a , const void *b ) 
> { 
> return *(int *)a - *(int *)b; 
> } 
> main(){
> 	int a,b,c[100][100],i,j,k[10000],x,y,m[100][100],n[4];
> 
> 	while(scanf("%d %d",&a,&b)==2){
> 	for(i=0;i<a;i++)
> 		for(j=0;j<b;j++){
> 			c[i][j]=0;
> 			m[i][j]=0;
> 		}
> 	for(i=0;i<a;i++)
> 		for(j=0;j<b;j++){
> 			scanf("%d",&c[i][j]);
> 			k[a*i+j]=c[i][j];
> 		}
> 	qsort(k,a*b,sizeof(k[0]),cmp); 
> 	for(x=0;x<a*b;x++)
>     	for(i=0;i<a;i++)
> 	    	for(j=0;j<b;j++)
> 				if(c[i][j]==k[x]){
> 					if(c[i][j]==k[0]) m[i][j]=1;
> 					else{
> 						if(j>=1&&c[i][j]>c[i][j-1]) n[0]=m[i][j-1];
> 						else n[0]=0;
> 						if(j+1<b&&c[i][j]>c[i][j+1]) n[1]=m[i][j+1];
> 						else n[1]=0;
> 						if(i>=1&&c[i][j]>c[i-1][j]) n[2]=m[i-1][j];
> 						else n[2]=0;
> 						if(i+1<a&&c[i][j]>c[i+1][j]) n[3]=m[i+1][j];
> 						else n[3]=0;
> 						qsort(n,4,sizeof(n[0]),cmp);
> 						m[i][j]=n[3]+1;
> 					}
> 				}
>      y=0;
> 	for(i=0;i<a;i++)
> 		for(j=0;j<b;j++)
> 			if(m[i][j]>y) y=m[i][j];
> 	printf("%d\n",y);
> 	}
> }
> 
> 
> 
> 
> 
> 

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