NEERC/headshot/headshot_petr.java

   1 import java.io.BufferedReader;
   2 import java.io.FileReader;
   3 import java.io.PrintWriter;
   4 import java.io.IOException;
   5 import java.util.StringTokenizer;
   6
   7 public class headshot_petr implements Runnable {
   8     private void solve() throws IOException {
   9         String s = nextToken();
  10         int n = s.length();
  11         int[] a = new int[n];
  12         for (int i = 0; i < n; ++i) {
  13             a[i] = s.charAt(i) - '0';
  14         }
  15         double p1 = 0;
  16         int q1 = 0;
  17         double p2 = 0;
  18         int q2 = 0;
  19         for (int i = 0; i < n; ++i) {
  20             if (a[i] == 0) {
  21                 ++p2;
  22                 if (a[(i + 1) % n] == 0) {
  23                     ++p1;
  24                 }
  25                 ++q1;
  26             }
  27             ++q2;
  28         }
  29         if (p1 / q1 > p2 / q2)
  30             writer.println("SHOOT");
  31         else if (p1 / q1 < p2 / q2)
  32             writer.println("ROTATE");
  33         else
  34             writer.println("EQUAL");
  35     }
  36
  37
  38     public static void main(String[] args) throws InterruptedException {
  39         Thread thread = new Thread(new headshot_petr());
  40         thread.start();
  41         thread.join();
  42     }
  43
  44     static final String TASK_ID = "headshot";
  45     static final String IN_FILE = TASK_ID + ".in";
  46     static final String OUT_FILE = TASK_ID + ".out";
  47     BufferedReader reader;
  48     StringTokenizer tokenizer;
  49     PrintWriter writer;
  50
  51     public void run() {
  52         try {
  53             reader = new BufferedReader(new FileReader(IN_FILE));
  54             tokenizer = null;
  55             writer = new PrintWriter(OUT_FILE);
  56             solve();
  57             reader.close();
  58             writer.close();
  59         } catch (Exception e) {
  60             e.printStackTrace();
  61             System.exit(1);
  62         }
  63     }
  64
  65     int nextInt() throws IOException {
  66         return Integer.parseInt(nextToken());
  67     }
  68
  69     long nextLong() throws IOException {
  70         return Long.parseLong(nextToken());
  71     }
  72
  73     double nextDouble() throws IOException {
  74         return Double.parseDouble(nextToken());
  75     }
  76
  77     String nextToken() throws IOException {
  78         while (tokenizer == null || !tokenizer.hasMoreTokens()) {
  79             tokenizer = new StringTokenizer(reader.readLine());
  80         }
  81         return tokenizer.nextToken();
  82     }
  83 }