FZU-1925+几何

题意简单。

由于没有注意到椭圆不一定是在圆心。。贡献无数的wa。。。。。

#include<stdio.h>
#include<string.h>
#include<algorithm>
#include<stdlib.h>
#include<math.h>
using namespace std;

const int maxn = 555;
const int maxm = 555;
const double eps = 1e-8;

struct Node{
	char name[55];
	char nation[55];
	int sum;
	int id;
	double x,y;
}p[ maxn ];

struct Cir{
	double r;
	double x,y;
	int val;
}c1[ maxm ];
struct Cir2{
	double x,y;
	double a,b;
	int val;
}c2[ maxm ];
struct Point {
	double x,y;
};
struct Ploy{
	Point pnt[ maxn ];
	int cnt;
	int val;
}ploy[ maxm ];

int od[ maxm ];

int cmp( Node a,Node b ){
	if( a.sum!=b.sum ) return a.sum>b.sum;
	else return a.id<b.id;
}

double dis( double x1,double y1,double x2,double y2 ){
	return ( (x1-x2)*(x1-x2)+(y1-y2)*(y1-y2) );
}

bool InCir( Node aim,int ID ){
	double dd = dis( aim.x,aim.y,c1[ID].x,c1[ID].y );
	if( dd<=c1[ID].r*c1[ID].r ) return true;
	else return false;
} 

bool InCir2( Node aim,int ID ){
	double dd = (aim.x-c2[ID].x)*(aim.x-c2[ID].x)/(c2[ID].a*c2[ID].a)+(aim.y-c2[ID].y)*(aim.y-c2[ID].y)/(c2[ID].b*c2[ID].b);
	if( dd<=1.0 ) return true;
	else return false;
}

int D( double x ){
	return x<-eps?-1:x>eps;
}

double det( Point a,Point b,Point c ){
	return (b.x-a.x)*(c.y-a.y)-(c.x-a.x)*(b.y-a.y);
}

int InPloy1( int n,double xx,double yy,Point pnt[] ){
	Point q;
	q.x = xx,q.y = yy;
	int i,s[3] = {1,1,1};
	pnt[n] = pnt[0];
	for( int i=0;i<n&&s[0]|s[2];i++ ){
		s[ D(det(pnt[i],pnt[i+1],q))+1 ] = 0;
	}
	return s[0]|s[2];
}
int InPloy2( int n,double xx,double yy,Point pnt[] ){
	Point q;
	q.x = xx;
	q.y = yy;
	int i,s[3] = {1,1,1};
	pnt[n] = pnt[0];
	for( int i=0;i<n&&s[1]&&s[0]|s[2];i++ ){
		s[ D(det(pnt[i],pnt[i+1],q))+1 ] = 0;
	}
	return s[1]&&s[0]|s[2];
}

void init(){
	for( int i=0;i<maxn;i++ )
		p[i].sum = 0;
}

void test( int n ){
	for( int i=1;i<=n;i++ ){
		printf("name = %s, sum = %d
",p[i].name,p[i].sum);
	}
}

int main(){
	int T;
	scanf("%d",&T);
	int Case = 1;
	while( T-- ){
		int n,m;
		scanf("%d",&m);
		init();
		char str[ 55 ];
		for( int i=1;i<=m;i++ ){
			scanf("%s",str);
			if( str[0]=='C' ){
				od[ i ] = 1;
				scanf("%lf%lf%lf%d",&c1[ i ].x,&c1[ i ].y,&c1[ i ].r,&c1[ i ].val);
			}
			else if( str[0]=='E' ){
				od[ i ] = 2;
				scanf("%lf%lf%lf%lf%d",&c2[ i ].x,&c2[ i ].y,&c2[ i ].a,&c2[ i ].b,&c2[ i ].val);
			}
			else {
				od[ i ] = 3;
				int cc;
				scanf("%d",&cc);
				for( int j=0;j<cc;j++ ){
					scanf("%lf%lf",&ploy[i].pnt[j].x,&ploy[i].pnt[j].y);
				}
				ploy[i].cnt = cc;
				scanf("%d",&ploy[i].val);
			}
		}
		scanf("%d",&n);
		for( int i=1;i<=n;i++ ){
			scanf("%s%s%lf%lf",p[i].name,p[i].nation,&p[i].x,&p[i].y);
			//p[i].sum = 0;
			p[i].id = i;
		}
		for( int i=1;i<=n;i++ ){
			for( int j=1;j<=m;j++ ){	
				if( od[j]==1&&InCir( p[i],j )==true ){
					p[i].sum += c1[j].val;
				}
				else if( od[j]==2&&InCir2( p[i],j )==true ){
					p[i].sum += c2[j].val;
				}
				else if( od[j]==3&&(InPloy1( ploy[j].cnt,p[i].x,p[i].y,ploy[j].pnt )||InPloy2( ploy[j].cnt,p[i].x,p[i].y,ploy[j].pnt )) ){
					p[i].sum += ploy[j].val;
				}
			}
		}
		
		sort( p+1,p+1+n,cmp );
		//test( n );
		printf("Case %d:
",Case ++ );
		int Gold = 0;
		if( p[1].sum<=0 ) continue;
		int flag = 1;
		for( int i=1;i<=n;i++ ){
			if( p[i].sum==p[1].sum&&p[1].sum>0 ){
				printf("Gold Medal: %s from %s got %d point(s)
",p[i].name,p[i].nation,p[i].sum);
				Gold ++ ;
				flag = i;
			}
			else break;
		}
		if( p[flag+1].sum<=0 ) continue;
		if( Gold>=3 ) continue;
		int Silver = 0;
		int temp = flag+1;
		bool f = false;
		for( int i=temp;i<=n;i++ ){
			if( p[i].sum==p[temp].sum && p[i].sum>0 ){
				flag = i;
				Silver ++ ;
				if( Gold<=1 ) printf("Silver Medal: %s from %s got %d point(s)
",p[i].name,p[i].nation,p[i].sum);
				else{
					f = true;
					 printf("Bronze Medal: %s from %s got %d point(s)
",p[i].name,p[i].nation,p[i].sum);
				}
			}
			else break;
		}
		if( Silver+Gold>=3||f==true ) continue;
		if( p[flag+1].sum<=0 ) continue;
		for( int i=flag+1;i<=n;i++ ){
			if( p[i].sum==p[flag+1].sum&&p[i].sum>0 ){
				printf("Bronze Medal: %s from %s got %d point(s)
",p[i].name,p[i].nation,p[i].sum);
			}
			else break;
		}
	}
	return 0;
}