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原来double可以用<=

Posted by sunflowwer at 2006-08-30 23:28:26 on Problem 2272
In Reply To:为什么一直WA? Posted by:sunflowwer at 2006-08-30 23:26:02
> #include <stdio.h>
> #include <math.h>
> #define zero 1e-6
> 
> struct point{
>      double x;
> 	 double y;
> }m1[3],m2[3];
> int work1(int a,double b)
> {
>      double s;
> 	 struct point *p=(point *)m1;
> 	 s=sqrt(pow((p+a)->x,2)+pow((p+a)->y,2));
> 	 if(s<b)
> 		 return 1;
> 	 if(fabs(s-b)<zero)
>          return 1;
> 	 return 0;
> }
> int work2(int a,double b)
> {
>      double s;
> 	 struct point *p=(point *)m2;
> 	 s=sqrt(pow((p+a)->x,2)+pow((p+a)->y,2));
> 	 if(s<b)
> 		 return 1;
> 	 if(fabs(s-b)<zero)
>          return 1;
> 	 return 0;
> }
> int main()
> {
>      int a,b,i,j;
> 	 while(1)
> 	 {
> 	      for(i=0;i<3;i++)
> 			  scanf("%lf%lf",&m1[i].x,&m1[i].y);
> 		  for(i=0;i<3;i++)
> 			  scanf("%lf%lf",&m2[i].x,&m2[i].y);
> 		  if(fabs(m1[0].x+100.0)<zero)
> 			  break;
> 		  for(a=0,i=0;i<3;i++){
> /*			  if(m1[i].x>20.0 || m1[i].x<-20.0 || m1[i].y>20.0 || m1[i].y<-20.0)
> 				  continue;*/
> 			  for(j=3;j<21;j+=3)
> 				  if(work1(i,j*1.0)){
> 				       a+=100-(j/3-1)*20;
> 					   break;
> 				  }
> 		  }
> 		  for(b=0,i=0;i<3;i++){
> /*			  if(m2[i].x>20.0 || m2[i].x<-20.0 || m2[i].y>20.0 || m2[i].y<-20.0)
> 				  continue;*/
> 			  for(j=3;j<21;j+=3)
> 				  if(work2(i,j*1.0)){
> 				       b+=100-(j/3-1)*20;
> 					   break;
> 				  }
> 		  }
> 		  printf("SCORE: %d to %d, ",a,b);
> 		  if(a==b)
> 			  printf("TIE.\n");
> 		  else if(a>b)
> 			  printf("PLAYER 1 WINS.\n");
> 		  else if(a<b)
> 			  printf("PLAYER 2 WINS.\n");
> 	 }
> 	 return 0;
> }

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