#include<stdio.h> #include<math.h> struct hero { int x; int y; int hp; double t; }; void main() { int X,Y; while(scanf("%d %d",&X,&Y)!=EOF) { int i,L; double R; struct hero h[5]; for(i=0;i<5;i++) { scanf("%d %d %d",&h[i].x,&h[i].y,&h[i].hp); } scanf("%d %llf",&L,&R); h[0].t=sqrt((h[0].x-X)*(h[0].x-X)+(h[0].y-Y)*(h[0].y-Y)); h[1].t=sqrt((h[1].x-X)*(h[1].x-X)+(h[1].y-Y)*(h[1].y-Y)); h[2].t=sqrt((h[2].x-X)*(h[2].x-X)+(h[2].y-Y)*(h[2].y-Y)); h[3].t=sqrt((h[3].x-X)*(h[3].x-X)+(h[3].y-Y)*(h[3].y-Y)); h[4].t=sqrt((h[4].x-X)*(h[4].x-X)+(h[4].y-Y)*(h[4].y-Y)); int flag=0; for(i=0;i<5;i++) { if(h[i].t<=L) { if(R*h[i].t>=h[i].hp) { flag=1; break; } } } if(flag==0) { printf("No\n"); }else { printf("Yes\n"); } } } |
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