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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 headHitIndex = -1;
  11.     int torsoHitIndex1 = -1;
  12.     int torsoHitIndex2 = -1;
  13.     int minHeadError = 2000;
  14.     int minTorsoError = 2000;
  15.  
  16.     for (int i = 0; i < n; ++i) {
  17.         int xi, yi;
  18.         scanf("%d %d", &xi, &yi);
  19.  
  20.         int distanceSquared = (xi - Tx) * (xi - Tx) + (yi - Ty) * (yi - Ty);
  21.         int error = sqrt(distanceSquared) * err / 100;
  22.  
  23.         if (error <= 15 && (headHitIndex == -1 || error < minHeadError)) {
  24.             headHitIndex = i;
  25.             minHeadError = error;
  26.         } else if (error <= 35) {
  27.             if (torsoHitIndex1 == -1 || error < minTorsoError) {
  28.                 torsoHitIndex2 = torsoHitIndex1;
  29.                 torsoHitIndex1 = i;
  30.                 minTorsoError = error;
  31.             } else if (torsoHitIndex2 == -1 || error < minTorsoError) {
  32.                 torsoHitIndex2 = i;
  33.                 minTorsoError = error;
  34.             }
  35.         }
  36.     }
  37.  
  38.     if (headHitIndex != -1) {
  39.         printf("%d\n", headHitIndex);
  40.     } else if (torsoHitIndex1 != -1 && torsoHitIndex2 != -1) {
  41.         printf("%d %d\n", torsoHitIndex1, torsoHitIndex2);
  42.     } else {
  43.         printf("abort\n");
  44.     }
  45.  
  46.     return 0;
  47. }
  48.  
Success #stdin #stdout 0s 5376KB
comments (?)
stdin 
20
3
0 0
-500 1500
1000 200
3000 1000
stdout 
abort
https://ideone.com/2zbklw
language:
C (gcc 8.3)
created:
2 years ago
visibility:
public

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