0_0_20613775_2499.cpp: In function 'int online(Point, Point, Point)':
0_0_20613775_2499.cpp:6:1078: error: expected statement at end of input
using namespace std;const double EPS=1e-8;const int maxn=100;int n;struct Point{ double x,y; Point (double x=0,double y=0):x(x),y(y){}};Point poly[maxn];typedef Point Vector;Vector operator + (Vector A,Vector B) {return Vector(A.x+B.x,A.y+B.y);}Vector operator - (Point A,Point B) {return Vector(A.x-B.x,A.y-B.y);}Vector operator * (Vector A,double p) {return Vector(A.x*p,A.y*p);}Vector operator / (Vector A,double p) {return Vector(A.x/p,A.y/p);}bool operator < (const Point &a,const Point &b){ return a.x < b.x ||(a.x==b.x &&a.y < b.y);}int dcmp (double x){ if(fabs(x)<EPS) return 0; else return x < 0?-1:1;}bool operator == (const Point &a ,const Point &b){ return dcmp(a.x-b.x) ==0 && dcmp(a.y - b.y)==0;}double Cross (Vector A,Vector B) {return A.x*B.y - A.y*B.x;}double Dot (Vector A,Vector B) {return A.x*B.x + A.y*B.y;}bool isPointOnSegment (Point p,Point a1,Point a2){ return dcmp ( Cross(a1-p,a2-p) )==0 && dcmp(Dot (a1-p,a2-p))<0;} int online(Point a,Point b,Point p){ Point v1,v2; v1=p-a;v2=p-b; if( dcmp(Cross(v1,v2))!=0) //绉涓涓0 灏变ㄧ寸嚎涓 return 0; else { if(dcmp(min(a.x,b.x)- p.x)<=0 && dcmp(p.x-max(a.x,b.x))<=0 &&dcmp(min(a.y,b.y)- p.y)<=0 &&dcmp( p.y-max(a.y,b.y))<=0) return 1; else return 0; }} int isPointInPolygon (Point p){ int wn=0; for(int i=0;i<n;i++){ if( online (poly[i], poly[(i+1)%n],p)) return 0; int k=dcmp (Cross(poly[(i+1)%n]-poly[i],p-poly[i])); int d1=dcmp(poly[i].y-p.y); int d2=dcmp(poly[(i+1)%n].y-p.y); if(k>0 && d1<=0 && d2>0) wn++; if(k<0 && d2<=0 && d1>0) wn--; } if(wn!=0) return 1; return 0;}int main(){ double v,b,g; while (scanf("%lf %lf %lf",&v,&b,&g),v||b||g) { v=-v; scanf("%d",&n); bool flag=false; int i; double minx=1e12,maxx=-1e12,maxy=-1e12; for(i=0;i<n;i++) { scanf("%lf %lf",&poly[i].x,&poly[i].y); if(poly[i].x>maxx) maxx=poly[i].x; if(poly[i].x<minx) minx=poly[i].x; if(poly[i].y>maxy) maxy=poly[i].y; } double t; for(int i=0;;i++) { t=i*0.001; Point temp; temp.x=v*t;temp.y=b*t-0.5*g*t*t; if( isPointInPolygon(temp) ) { printf("%.2f\n",t-EPS); flag=true; break; } if(!g && temp.y>maxy) break; if(temp.y<0) break; } if(!flag) printf("Miss!\n"); } return 0;}
^
0_0_20613775_2499.cpp:6:1078: error: expected '}' at end of input
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