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## 这样为什么还是错呀！！条件都满足了，输入多少个都没有问题，可是怎么还不行呀！！

Posted by sleepboy at 2004-10-02 13:28:17 on Problem 1654
```#include<iostream.h>
void main()
{
char c;
float result[20];
int n,i;
int x,y,xx,yy;
int ok;
float area;
int area1;
cin>>n;
i=0;
while(i<n){
ok=0; area=0;area1=0; x=0;y=0;xx=0;yy=0;
while(!ok){
cin>>c;
switch(c){
case '1' :
xx=x-1;yy=y-1;break;
case '2' :
yy=y-1;	  break;
case '3':
xx=x+1;yy=y-1;break;
case '4':
xx=x-1;break;
case '5':
ok=1; break;
case '6':
xx=x+1;break;
case '7':
xx=x-1;yy=y+1;break;
case '8':
yy=y+1;   break;
case '9':
xx=x+1;yy=y+1;
default:
continue;
}
area1 += (yy+y)*(xx-x);
x=xx;y=yy;
}
area = float(area1) / 2.0;
area = area > 0 ? area : -area;
result[i++]=area;
}
for(i=0;i<n;i++)
cout<< result[i] <<endl;
}                    ```

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