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Re:把答案凑出来了。。。真是神奇~~~mark一下~~In Reply To:把答案凑出来了。。。真是神奇~~~mark一下~~ Posted by:1152230301 at 2012-02-06 14:26:04 public class Main
{
public static boolean isCommon(Set<Integer> set1,Set<Integer> set2)
{
Iterator<Integer> it1=set1.iterator();
while(it1.hasNext())
{
if(set2.contains(it1.next()))
{
return true;
}
}
return false;
}
public static void main(String args[])throws Exception
{
Scanner cin = new Scanner(System.in);
ArrayList<Integer> list=new ArrayList<Integer>();
while(cin.hasNextInt())
{
int intn=cin.nextInt();//序列对
int intm=cin.nextInt();//总人数
if(intm==0&&intn==0)
{
break;
}
else
{
TreeSet<Integer>[] set=new TreeSet[intm];
for(int i=0;i<intm;i++)
{
int x=cin.nextInt();
int y=cin.nextInt();
set[i]=new TreeSet<Integer>();
if(x==y)
{
set[i].add(x);
}
else
{
set[i].add(x);set[i].add(y);
}
}
for(int i=0;i<intm;i++)
{
for(int j=0;j<intm;j++)
{
if(Main.isCommon(set[i],set[j])&&(i!=j))
{
set[i].addAll(set[j]);
set[j].clear();
set[j].add(0);
}
}
}
int sum=0;
int zeroSet=0;
for(int i=0;i<intm;i++)
{
Iterator<Integer> it=set[i].iterator();
while(it.hasNext())
{
if(it.next()==0)
{
zeroSet++;
}
else
{
sum++;
}
}
}
list.add(intn-sum+intm-zeroSet);
}
}
Iterator<Integer> it=list.iterator();
int i=1;
while(it.hasNext())
{
System.out.println("Case "+i+": "+it.next());
i++;
}
}
}
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