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SortingSlides_UVa663.java
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183 lines (150 loc) · 3.75 KB
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package v006;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.StringTokenizer;
public class SortingSlides_UVa663 {
public static void main(String[] args) throws IOException
{
Scanner sc = new Scanner(System.in);
PrintWriter out = new PrintWriter(System.out);
int tc = 1;
while(true)
{
int n = sc.nextInt();
if(n == 0)
break;
int[] match = new int[n];
Slide[] slides = new Slide[n];
for(int i = 0; i < n; ++i)
slides[i] = new Slide(sc.nextInt(), sc.nextInt(), sc.nextInt(), sc.nextInt());
for(int j = 0; j < n; ++j)
{
Label l = new Label(sc.nextInt(), sc.nextInt());
for(int i = 0; i < n; ++i)
if(slides[i].inside(l))
match[j] |= 1<<i;
}
Pair[] ans = new Pair[n];
int count = 0;
boolean done = false;
while(!done)
{
done = true;
for(int j = 0; j < n; ++j)
{
int msk = match[j];
if(msk != 0 && (msk & msk - 1) == 0)
{
int s = 0;
while((msk & (1<<s)) == 0) ++s;
msk = ~msk;
for(int k = 0; k < n; ++k)
match[k] &= msk;
ans[count++] = new Pair(s, j);
done = false;
}
}
for(int j = 0; j < n; ++j)
{
int msk = match[j], c = Integer.bitCount(msk) - 1;
if(c == -1)
continue;
for(int k = j + 1; k < n; ++k)
if(match[k] == msk)
--c;
if(c == 0)
{
for(int k = 0; k < n; ++k)
{
int msk2 = match[k];
if(msk2 != 0 && msk2 != msk && (msk2 & msk) != 0)
{
match[k] &= ~msk;
done = false;
}
}
}
}
}
if(count == 0)
out.printf("Heap %d\nnone\n\n", tc++);
else
{
out.printf("Heap %d\n", tc++);
Arrays.sort(ans, 0, count);
for(int i = 0; i < count; ++i)
out.printf("(%c,%d)%c", (char)(ans[i].x + 'A'), ans[i].y + 1, i == count - 1? '\n' : ' ');
out.println();
}
}
out.flush();
out.close();
}
static class Pair implements Comparable<Pair>
{
int x, y;
Pair(int a, int b) { x = a; y = b; }
public int compareTo(Pair p) { return x - p.x; }
}
static class Slide
{
int x1, x2, y1, y2, occ;
Slide(int a, int b, int c, int d) { x1 = a; x2 = b; y1 = c; y2 = d; }
boolean inside(Label p) { return p.x > x1 && p.x < x2 && p.y > y1 && p.y < y2; }
}
static class Label
{
int x, y;
Label(int a, int b) { x = a; y = b; }
}
static class Scanner
{
StringTokenizer st;
BufferedReader br;
public Scanner(InputStream s){ br = new BufferedReader(new InputStreamReader(s));}
public Scanner(FileReader r){ br = new BufferedReader(r);}
public String next() throws IOException
{
while (st == null || !st.hasMoreTokens())
st = new StringTokenizer(br.readLine());
return st.nextToken();
}
public int nextInt() throws IOException {return Integer.parseInt(next());}
public long nextLong() throws IOException {return Long.parseLong(next());}
public String nextLine() throws IOException {return br.readLine();}
public double nextDouble() throws IOException
{
String x = next();
StringBuilder sb = new StringBuilder("0");
double res = 0, f = 1;
boolean dec = false, neg = false;
int start = 0;
if(x.charAt(0) == '-')
{
neg = true;
start++;
}
for(int i = start; i < x.length(); i++)
if(x.charAt(i) == '.')
{
res = Long.parseLong(sb.toString());
sb = new StringBuilder("0");
dec = true;
}
else
{
sb.append(x.charAt(i));
if(dec)
f *= 10;
}
res += Long.parseLong(sb.toString()) / f;
return res * (neg?-1:1);
}
public boolean ready() throws IOException {return br.ready();}
}
}