InputChecker of problemA in WUPC2nd.

InputCheckerA.java

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.InputStreamReader;

public class InputCheckerA {
  public static void main(String[] args) throws Exception {
    File inputDir = new File("/path/to/the/input/files/directory");
    for (File file : inputDir.listFiles()) {
      BufferedReader reader = new BufferedReader(new FileReader(file));      
      if (!check(reader)) {
        System.err.println("err:" + file.getName());
      } else {
        System.err.println("ok");  
      }
      reader.close();
    }
  }

  private static boolean check(BufferedReader reader) {
    try {
      String line = reader.readLine();
      String[] data = line.split(" ");
      if (data.length != 2) {
        return false;
      }
      int N = Integer.valueOf(data[0]);
      int M = Integer.valueOf(data[1]);
      if (1 <= N && N <= 100) {
        if (1 <= M && M <= 100) {
          return true;
        }
      }
    } catch (Exception e) {
      return false;
    }
    return false;
  }
}