> #include <stdio.h>
> #include <iostream.h>
> int t,tt;
> 	char b[50],a[50];
> 	int i,x,y,xx,yy,j,p=0;
> 	int area;
> 	float area2;
> 	__int64 init;
> void main()
> {
> 	
> 	scanf("%d",&tt);
> 	for(t=0;t<tt;t++)
> 	{
> 		scanf("%I64d",&init);
> 		i=0;
> 		while(init>0)
> 		{
> 			b[i]=init%10;
> 			init=init/10;
> 			i++;
> 		}
> 		for(j=0;j<i;j++)
> 		{
> 			a[j]=b[i-j-1];
> 		}
> 		x=0,y=0;
> 		j=0;
> 		area=0;
> 		while(1)
> 		{
> 			if(a[j]==5) break;
> 			else if(a[j]==8) {xx=x; yy=y+1;}
> 			else if(a[j]==2) {xx=x; yy=y-1;}
> 			else if(a[j]==6) {xx=x+1; yy=y;}
> 			else if(a[j]==4) {xx=x-1; yy=y;}
> 			else if(a[j]==9) {xx=x+1; yy=y+1;}
> 			else if(a[j]==7) {xx=x-1; yy=y+1;}
> 			else if(a[j]==3) {xx=x+1; yy=y-1;}
> 			else if(a[j]==1) {xx=x-1; yy=y-1;}
> 			else break;
> 			j++;
> 			area=area+x*yy-xx*y;
> 			x=xx,y=yy;
> 		}
> 		if(area<0) area=area*(-1);
> 		area2=(float)area/2;
> 		if(area2==(float)((int)(area/2)))
> 			printf("%.0f\n",area2);
> 		else
> 			printf("%.1f\n",area2);
> 	}
> 
> }

• Re:结果要用int64 (39) dapp 2004-10-01 21:02:21