結果

問題 No.1121 Social Distancing in Cinema
ユーザー uwiuwi
提出日時 2020-07-22 23:31:33
言語 Java21
(openjdk 21)
結果
WA  
実行時間 -
コード長 4,004 bytes
コンパイル時間 7,077 ms
コンパイル使用メモリ 86,788 KB
実行使用メモリ 63,064 KB
最終ジャッジ日時 2023-09-05 04:53:06
合計ジャッジ時間 26,756 ms
ジャッジサーバーID
(参考情報)
judge13 / judge12
このコードへのチャレンジ
(要ログイン)

テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 68 ms
50,516 KB
testcase_01 AC 68 ms
48,248 KB
testcase_02 AC 70 ms
50,576 KB
testcase_03 AC 69 ms
50,568 KB
testcase_04 AC 70 ms
50,704 KB
testcase_05 AC 68 ms
50,632 KB
testcase_06 AC 71 ms
50,660 KB
testcase_07 AC 69 ms
50,440 KB
testcase_08 AC 67 ms
50,612 KB
testcase_09 AC 67 ms
50,592 KB
testcase_10 AC 70 ms
52,140 KB
testcase_11 AC 70 ms
50,688 KB
testcase_12 AC 71 ms
50,356 KB
testcase_13 AC 73 ms
50,588 KB
testcase_14 AC 73 ms
50,644 KB
testcase_15 AC 97 ms
52,416 KB
testcase_16 AC 141 ms
52,740 KB
testcase_17 AC 326 ms
58,208 KB
testcase_18 AC 737 ms
63,036 KB
testcase_19 AC 959 ms
62,688 KB
testcase_20 AC 98 ms
52,480 KB
testcase_21 AC 94 ms
52,760 KB
testcase_22 AC 93 ms
52,736 KB
testcase_23 AC 82 ms
51,868 KB
testcase_24 AC 75 ms
50,576 KB
testcase_25 AC 314 ms
54,820 KB
testcase_26 AC 379 ms
57,476 KB
testcase_27 AC 117 ms
53,020 KB
testcase_28 AC 873 ms
62,404 KB
testcase_29 AC 362 ms
54,824 KB
testcase_30 AC 181 ms
54,624 KB
testcase_31 AC 959 ms
63,064 KB
testcase_32 AC 617 ms
62,852 KB
testcase_33 AC 225 ms
55,052 KB
testcase_34 AC 228 ms
54,816 KB
testcase_35 AC 678 ms
62,420 KB
testcase_36 AC 911 ms
62,824 KB
testcase_37 AC 181 ms
54,784 KB
testcase_38 AC 273 ms
57,540 KB
testcase_39 AC 838 ms
62,548 KB
testcase_40 AC 176 ms
54,788 KB
testcase_41 AC 122 ms
52,804 KB
testcase_42 AC 875 ms
62,820 KB
testcase_43 AC 904 ms
62,672 KB
testcase_44 WA -
testcase_45 WA -
testcase_46 WA -
testcase_47 AC 71 ms
50,716 KB
testcase_48 AC 67 ms
50,496 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

package contest200722;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.Comparator;
import java.util.InputMismatchException;

public class C {
	InputStream is;
	PrintWriter out;
	String INPUT = "";
	
	void solve()
	{
		int n = ni();
		int[][] co = new int[n][];
		int[][] seled = new int[n][];
		for(int i = 0;i < n;i++){
			co[i] = new int[]{ni(), ni(), i};
		}
		Arrays.sort(co, new Comparator<int[]>() {
			public int compare(int[] a, int[] b) {
				if(a[0] != b[0])return a[0] - b[0];
				return a[1] - b[1];
			}
		});

		int p = 0;
		outer:
		for(int i = 0;i < n;i++){
			for(int j = 0;j < p;j++){
				if(d2(co[i], seled[j]) < 100)continue outer;
			}
			seled[p++] = co[i];
		}
		out.println(p);
		for(int i = 0;i < p;i++){
			out.print(seled[i][2]+1 + " ");
		}
		out.println();
	}
	
	public static long d2(int[] a, int[] b) { return (long)(b[0]-a[0])*(b[0]-a[0])+(long)(b[1]-a[1])*(b[1]-a[1]); }

	
	void run() throws Exception
	{
//		int n = 10, m = 99999;
//		Random gen = new Random();
//		StringBuilder sb = new StringBuilder();
//		sb.append(n*n + " ");
//		for (int i = 0; i < n; i++) {
//			for(int j = 0;j < n;j++){
//				sb.append(i + " " + j + "\n");
//			}
//		}
//		INPUT = sb.toString();

		
		is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes());
		out = new PrintWriter(System.out);
		
		long s = System.currentTimeMillis();
		solve();
		out.flush();
		if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
//		Thread t = new Thread(null, null, "~", Runtime.getRuntime().maxMemory()){
//			@Override
//			public void run() {
//				long s = System.currentTimeMillis();
//				solve();
//				out.flush();
//				if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
//			}
//		};
//		t.start();
//		t.join();
	}
	
	public static void main(String[] args) throws Exception { new C().run(); }
	
	private byte[] inbuf = new byte[1024];
	public int lenbuf = 0, ptrbuf = 0;
	
	private int readByte()
	{
		if(lenbuf == -1)throw new InputMismatchException();
		if(ptrbuf >= lenbuf){
			ptrbuf = 0;
			try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); }
			if(lenbuf <= 0)return -1;
		}
		return inbuf[ptrbuf++];
	}
	
	private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); }
	private int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; }
	
	private double nd() { return Double.parseDouble(ns()); }
	private char nc() { return (char)skip(); }
	
	private String ns()
	{
		int b = skip();
		StringBuilder sb = new StringBuilder();
		while(!(isSpaceChar(b))){ // when nextLine, (isSpaceChar(b) && b != ' ')
			sb.appendCodePoint(b);
			b = readByte();
		}
		return sb.toString();
	}
	
	private char[] ns(int n)
	{
		char[] buf = new char[n];
		int b = skip(), p = 0;
		while(p < n && !(isSpaceChar(b))){
			buf[p++] = (char)b;
			b = readByte();
		}
		return n == p ? buf : Arrays.copyOf(buf, p);
	}
	
	private int[] na(int n)
	{
		int[] a = new int[n];
		for(int i = 0;i < n;i++)a[i] = ni();
		return a;
	}
	
	private long[] nal(int n)
	{
		long[] a = new long[n];
		for(int i = 0;i < n;i++)a[i] = nl();
		return a;
	}
	
	private char[][] nm(int n, int m) {
		char[][] map = new char[n][];
		for(int i = 0;i < n;i++)map[i] = ns(m);
		return map;
	}
	
	private int[][] nmi(int n, int m) {
		int[][] map = new int[n][];
		for(int i = 0;i < n;i++)map[i] = na(m);
		return map;
	}
	
	private int ni() { return (int)nl(); }
	
	private long nl()
	{
		long num = 0;
		int b;
		boolean minus = false;
		while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
		if(b == '-'){
			minus = true;
			b = readByte();
		}
		
		while(true){
			if(b >= '0' && b <= '9'){
				num = num * 10 + (b - '0');
			}else{
				return minus ? -num : num;
			}
			b = readByte();
		}
	}
	
	private static void tr(Object... o) { System.out.println(Arrays.deepToString(o)); }
}
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