#include <stdio.h> #include <stdlib.h> #include<ctype.h> #include<string.h> #include<math.h> int main() { typedef struct str { int x, y, hp; }diren; diren a[5]; int x0, y0, i,j,flag,l; float r,s[5]; while (scanf("%d%d", &x0,&y0)!=EOF) { for (i = 0; i < 5; i++) { scanf("%d%d%d", &a[i].x, &a[i].y, &a[i].hp); s[i] = sqrt((a[i].x - x0)*(a[i].x - x0) + (a[i].y - y0)*(a[i].y - y0)); } scanf("%d%f",&l,&r); flag = 0; for (i = 0; i < 5; i++) { if (s[i] * r >= a[i].hp&&s[i] <= l) { for (j = 0; j < 5; j++) { if (i != j && s[j]<s[i]&&s[j] * r < a[j].hp &&((a[i].y - y0)*(a[j].x - x0) == (a[j].y - y0)*(a[i].x - x0))) { flag = 0; break; } else flag = 1; } } if (flag == 1) break; } if (flag == 1) printf("Yes\n"); else printf("No\n"); } return 0; } |
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