水一水,AC
gebilaozhang 2015-11-13 19:37:31
#include<stdio.h> #include<math.h> int main() { 5. int t; scanf("%d",&t); while(t--) { double q,w,t; 10. double a,b,c,d,e,f; scanf("%lf%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e,&f); q=sqrt((d-b)*(d-b)+(c-a)*(c-a)); w=sqrt((f-d)*(f-d)+(e-c)*(e-c)); t=sqrt((f-b)*(f-b)+(e-a)*(e-a)); 15. if(((w+q)>t)&&((w+t)>q)&&((t+q)>w)) printf("Yes\n"); else printf("No\n"); } return 0; 20.}