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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. int main() {
  5.     int err, n, Tx, Ty;
  6.     scanf("%d", &err);
  7.     scanf("%d", &n);
  8.     scanf("%d %d", &Tx, &Ty);
  9.  
  10.     int minHeadshotErr = 100000; // Initializing with a large value
  11.     int torsoCount = 0;
  12.     int firstTorsoIdx = -1, secondTorsoIdx = -1;
  13.  
  14.     for (int i = 0; i < n; ++i) {
  15.         int xi, yi;
  16.         scanf("%d %d", &xi, &yi);
  17.  
  18.         int distanceSquared = (xi - Tx) * (xi - Tx) + (yi - Ty) * (yi - Ty);
  19.         int mils = (int)sqrt(distanceSquared) * 10000 / 1000; // Convert distance to mils
  20.  
  21.         if (mils <= err) {
  22.             int headshotErr = abs(1000 - mils); // 1000 mils = 1 meter
  23.             if (headshotErr < minHeadshotErr) {
  24.                 minHeadshotErr = headshotErr;
  25.                 printf("%d ", i);
  26.             }
  27.         } else if (mils <= 2 * err) {
  28.             torsoCount++;
  29.             if (firstTorsoIdx == -1) {
  30.                 firstTorsoIdx = i;
  31.             } else {
  32.                 secondTorsoIdx = i;
  33.             }
  34.         }
  35.     }
  36.  
  37.     if (minHeadshotErr != 100000) {
  38.         printf("\n");
  39.     } else if (torsoCount >= 2) {
  40.         printf("%d %d\n", firstTorsoIdx, secondTorsoIdx);
  41.     } else {
  42.         printf("abort\n");
  43.     }
  44.  
  45.     return 0;
  46. }
  47.  
Success #stdin #stdout 0s 5408KB
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https://ideone.com/aeprCh
language:
C (gcc 8.3)
created:
2 years ago
visibility:
public

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