0_0_20612425_2279.cpp: In function 'void getpnode(int, pnode*, myvec&, myvec&)':
0_0_20612425_2279.cpp:6:1284: error: expected '}' at end of input
using namespace std;const double eps = 1e-8;int dcmp(double x){ if( fabs(x)<eps) return 0; return x < 0 ? -1:1;}struct pnode{ double x,y; pnode(double x =0.0,double y=0.0):x(x),y(y){} int pread() { return scanf("%lf %lf",&x,&y); } pnode operator - (const pnode &b)const{ return pnode(x-b.x,y-b.y);} bool operator < (const pnode&b)const { return dcmp(x-b.x) <0 || (dcmp(x-b.x)== 0 && dcmp(y-b.y)<0); } double operator ^(const pnode&b)const { return x*b.y - y *b.x; }};typedef pnode myvec;myvec a,b,c,d;pnode pa[305],pb[305];double cross( pnode p0,pnode p1,pnode p2){ return (p1-p0) ^ (p2-p0);}double polygon_area(pnode*p,int n){ double area = 0.0; for( int i = 1;i < n-1 ;++i ) area += cross( p[0], p[i], p[i+1]); return area*0.5;} double dot(myvec v){ return v.x*v.x + v.y *v.y;}void getpnode(int n,pnode *p,myvec &v,myvec &w){ p[0].pread(); p[1].pread(); myvec tmp = p[1] - p[0]; v = w = tmp; for( int i = 2; i < n ;++i ) { p[i].pread(); v = p[i] - p[i-1]; if( dcmp(dot(tmp)-dot(v))<0 ) v = tmp; if( dcmp( dot(tmp)-dot(v)) > 0 ) w = tmp; } tmp = p[n-1] - p[0]; if( dcmp(dot(tmp)-dot(v))<0 ) v = tmp;//v 涓哄澶杈瑰舰杈 if( dcmp( dot(tmp)-dot(v)) > 0 ) w = tmp; } int main(){ int n; while( ~scanf("%d\n",&n)) { getpnode(n,pa,a,c); getpnode(n,pb,b,d); double aarea = polygon_area(pa,n); double barea = polygon_area(pb,n); double k1 = sqrt(dot(a))/sqrt(dot(b)); double k2 = sqrt( dot(c)) /sqrt(dot(d)); if( dcmp(aarea - barea*k1*k1)==0 && dcmp(aarea - barea *k2*k2)==0 && dcmp(k1-k2)==0) puts("Yes"); else puts("No"); } return 0;}
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