Anil Reddy
Posts: 2
Nickname: anilreddyv
Registered: Mar, 2011
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Re: JAVA OBJECTIVE QUESTIONS
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Posted: Mar 16, 2011 2:36 AM
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public static void puzzle() throws IOException
{
File f=new File("D://input.txt");
FileInputStream fis=new FileInputStream(f);
DataInputStream dis=new DataInputStream(fis);
String line=dis.readLine();
Pattern p=Pattern.compile("(\\w+)\\s(\\d+)\\s(\\w+)\\s(\\w+)");
Map<String,List<Integer>> map=new HashMap<String, List<Integer>>();
while(line!=null)
{
Matcher matcher=p.matcher(line);
if(matcher.find())
{
if(Integer.parseInt(matcher.group(2))>Integer.parseInt(matcher.group(4)))
{
if(map.containsKey(matcher.group(1)))
{
List<Integer> l=map.get(matcher.group(1));
int val=l.get(0);
val++;
l.set(0, val);
map.put(matcher.group(1), l);
}
else
{
List<Integer> ls=new ArrayList<Integer>(2);
ls.add(0, 1);
ls.add(1, 0);
map.put(matcher.group(1), ls);
}
if(map.containsKey(matcher.group(3)))
{
List<Integer> l=map.get(matcher.group(3));
int val=l.get(1);
val++;
l.set(1, val);
map.put(matcher.group(3), l);
}
else
{
List<Integer> ls=new ArrayList<Integer>(2);
ls.add(0, 0);
ls.add(1, 1);
map.put(matcher.group(3), ls);
}
}
else
{
if(map.containsKey(matcher.group(3)))
{
List<Integer> l=map.get(matcher.group(3));
int val=l.get(0);
val++;
l.set(0, val);
}
else
{
List<Integer> ls=new ArrayList<Integer>(2);
ls.add(0, 1);
ls.add(1, 0);
map.put(matcher.group(3), ls);
}
if(map.containsKey(matcher.group(1)))
{
List<Integer> l=map.get(matcher.group(1));
int val=l.get(1);
val++;
l.set(1, val);
map.put(matcher.group(1), l);
}
else
{
List<Integer> ls=new ArrayList<Integer>(2);
ls.add(0, 0);
ls.add(1, 1);
map.put(matcher.group(1), ls);
}
}
line=dis.readLine();
}
}
Set<String> s=map.keySet();
Iterator<String> it=s.iterator();
while(it.hasNext())
{
String var=it.next();
List<Integer> lt=map.get(var);
System.out.println(var+" "+lt.get(0)+"-"+lt.get(1));
}
}
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