ZOJ 3488 Conic Section

这种题都不会可以滚回高中了好吗？！

比赛结束前十秒get了这张图。。< http://www.2cto.com/kf/ware/vc/" target="_blank" class="keylink">vcD4KPHA+PHByZSBjbGFzcz0="brush:java;">#include #include #include #include #include #include #include #include #pragma comment(linker, "/STACK:1024000000"); #define EPS (1e-8) #define LL long long int #define ULL unsigned long long int #define _LL __int64 #define _INF 0x3f3f3f3f #define INF 4000000 #define Mod 1000000009 using namespace std; int main() { double a,b,c,d,e,f; int T; cin>>T; while(T--) { cin>>a>>b>>c>>d>>e>>f; if(b*b-4*a*c < 0) { if(a == c && b == 0 && d*d+e*e-4*f > 0) cout<<"circle"< 0) { cout<<"hyperbola"<