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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. typedef struct {
  5.     int x, y;
  6. } Point;
  7.  
  8. int main() {
  9.     int err, n, Tx, Ty;
  10.     scanf("%d", &err);
  11.     scanf("%d", &n);
  12.     scanf("%d %d", &Tx, &Ty);
  13.  
  14.     Point sites[n];
  15.     for (int i = 0; i < n; ++i) {
  16.         scanf("%d %d", &sites[i].x, &sites[i].y);
  17.     }
  18.  
  19.     int minHeadError = 1000000; // Initial large value for comparison
  20.     int minTorsoError = 1000000; // Initial large value for comparison
  21.     int headIndex = -1, torsoIndex1 = -1, torsoIndex2 = -1;
  22.  
  23.     for (int i = 0; i < n; ++i) {
  24.         int distanceSquared = (Tx - sites[i].x) * (Tx - sites[i].x) + (Ty - sites[i].y) * (Ty - sites[i].y);
  25.         int error = sqrt(distanceSquared) * err / 100;
  26.  
  27.         // Calculate error for head and torso
  28.         int headError = error - 15; // Head width is 15 cm
  29.         int torsoError = error - 35; // Torso width is 35 cm
  30.  
  31.         // Check if the site hits head accurately
  32.         if (headError <= 0 && error < minHeadError) {
  33.             minHeadError = error;
  34.             headIndex = i;
  35.         }
  36.  
  37.         // Check if the site hits torso accurately
  38.         if (torsoError <= 0 && error < minTorsoError) {
  39.             minTorsoError = error;
  40.             torsoIndex2 = torsoIndex1;
  41.             torsoIndex1 = i;
  42.         }
  43.     }
  44.  
  45.     // Output the result
  46.     if (headIndex != -1) {
  47.         printf("%d\n", headIndex);
  48.     } else if (torsoIndex1 != -1 && torsoIndex2 != -1) {
  49.         printf("%d %d\n", torsoIndex1, torsoIndex2);
  50.     } else {
  51.         printf("Mission aborted\n");
  52.     }
  53.  
  54.     return 0;
  55. }
  56.  
Success #stdin #stdout 0.01s 5304KB
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stdout
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Mission aborted
https://ideone.com/Gvaexx
language:
C (gcc 8.3)
created:
2 years ago
visibility:
public

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