Submission #1262320


Source Code Expand

import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.io.BufferedWriter;
import java.io.Writer;
import java.io.OutputStreamWriter;
import java.util.InputMismatchException;
import java.io.IOException;
import java.io.InputStream;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 *
 * @author ilyakor
 */
public class Main {

  public static void main(String[] args) {
    InputStream inputStream = System.in;
    OutputStream outputStream = System.out;
    InputReader in = new InputReader(inputStream);
    OutputWriter out = new OutputWriter(outputStream);
    TaskA solver = new TaskA();
    solver.solve(1, in, out);
    out.close();
  }

  static class TaskA {

    public void solve(int testNumber, InputReader in, OutputWriter out) {
      int a = in.nextInt();
      int b = in.nextInt();
      int c = in.nextInt();
      int res = 0;
      while (true) {
        if (a % 2 == 1 || b % 2 == 1 || c % 2 == 1) {
          out.printLine(res);
          return;
        }
        if (a == b && a == c) {
          out.printLine(-1);
          return;
        }
        int na = (b + c) / 2;
        int nb = (a + c) / 2;
        int nc = (a + b) / 2;
        a = na;
        b = nb;
        c = nc;
        ++res;
      }
    }

  }

  static class InputReader {

    private InputStream stream;
    private byte[] buffer = new byte[10000];
    private int cur;
    private int count;

    public InputReader(InputStream stream) {
      this.stream = stream;
    }

    public static boolean isSpace(int c) {
      return c == ' ' || c == '\n' || c == '\r' || c == '\t' || c == -1;
    }

    public int read() {
      if (count == -1) {
        throw new InputMismatchException();
      }
      try {
        if (cur >= count) {
          cur = 0;
          count = stream.read(buffer);
          if (count <= 0) {
            return -1;
          }
        }
      } catch (IOException e) {
        throw new InputMismatchException();
      }
      return buffer[cur++];
    }

    public int readSkipSpace() {
      int c;
      do {
        c = read();
      } while (isSpace(c));
      return c;
    }

    public int nextInt() {
      int sgn = 1;
      int c = readSkipSpace();
      if (c == '-') {
        sgn = -1;
        c = read();
      }
      int res = 0;
      do {
        if (c < '0' || c > '9') {
          throw new InputMismatchException();
        }
        res = res * 10 + c - '0';
        c = read();
      } while (!isSpace(c));
      res *= sgn;
      return res;
    }

  }

  static class OutputWriter {

    private final PrintWriter writer;

    public OutputWriter(OutputStream outputStream) {
      writer = new PrintWriter(new BufferedWriter(new OutputStreamWriter(outputStream)));
    }

    public OutputWriter(Writer writer) {
      this.writer = new PrintWriter(writer);
    }

    public void print(Object... objects) {
      for (int i = 0; i < objects.length; i++) {
        if (i != 0) {
          writer.print(' ');
        }
        writer.print(objects[i]);
      }
    }

    public void printLine(Object... objects) {
      print(objects);
      writer.println();
    }

    public void close() {
      writer.close();
    }

  }
}

Submission Info

Submission Time
Task A - Cookie Exchanges
User ilyakor
Language Java8 (OpenJDK 1.8.0)
Score 300
Code Size 3458 Byte
Status AC
Exec Time 70 ms
Memory 21588 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 3
AC × 17
Set Name Test Cases
Sample sample1.txt, sample2.txt, sample3.txt
All sample1.txt, sample2.txt, sample3.txt, in1.txt, in10.txt, in11.txt, in2.txt, in3.txt, in4.txt, in5.txt, in6.txt, in7.txt, in8.txt, in9.txt, sample1.txt, sample2.txt, sample3.txt
Case Name Status Exec Time Memory
in1.txt AC 70 ms 21588 KB
in10.txt AC 70 ms 18644 KB
in11.txt AC 70 ms 18900 KB
in2.txt AC 69 ms 18900 KB
in3.txt AC 70 ms 19028 KB
in4.txt AC 70 ms 20436 KB
in5.txt AC 69 ms 19284 KB
in6.txt AC 68 ms 18260 KB
in7.txt AC 67 ms 19540 KB
in8.txt AC 70 ms 19668 KB
in9.txt AC 70 ms 19412 KB
sample1.txt AC 69 ms 18132 KB
sample2.txt AC 68 ms 17876 KB
sample3.txt AC 68 ms 21332 KB