結果
問題 | No.202 1円玉投げ |
ユーザー |
|
提出日時 | 2016-06-02 00:17:12 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 2,083 ms / 5,000 ms |
コード長 | 2,070 bytes |
コンパイル時間 | 4,612 ms |
コンパイル使用メモリ | 80,608 KB |
実行使用メモリ | 67,348 KB |
最終ジャッジ日時 | 2024-12-22 10:21:16 |
合計ジャッジ時間 | 33,766 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 38 |
ソースコード
import java.io.*;import java.util.*;import java.util.Map.*;public class Main_yukicoder202_1 {public static void main(String[] args) {Scanner sc = new Scanner(System.in);Printer pr = new Printer(System.out);int n = sc.nextInt();SortedMap<Integer, SortedSet<Integer>> xy = new TreeMap<>();int ret = 0;out:for (int i = 0; i < n; i++) {int x = sc.nextInt();int y = sc.nextInt();for (Entry<Integer, SortedSet<Integer>> e : xy.subMap(x - 20, x + 20).entrySet()) {int xtmp = e.getKey();for (int ytmp : e.getValue().subSet(y - 20, y + 20)) {if ((x - xtmp) * (x - xtmp) + (y - ytmp) * (y - ytmp) < 400) {continue out;}}}if (xy.containsKey(x)) {xy.get(x).add(y);} else {TreeSet<Integer> tmp = new TreeSet<>();tmp.add(y);xy.put(x, tmp);}ret++;}pr.println(ret);pr.close();sc.close();}@SuppressWarnings("unused")private static class Scanner {BufferedReader br;Iterator<String> it;Scanner (InputStream in) {br = new BufferedReader(new InputStreamReader(in));}String next() throws RuntimeException {try {if (it == null || !it.hasNext()) {it = Arrays.asList(br.readLine().split(" ")).iterator();}return it.next();} catch (IOException e) {throw new IllegalStateException();}}int nextInt() throws RuntimeException {return Integer.parseInt(next());}long nextLong() throws RuntimeException {return Long.parseLong(next());}float nextFloat() throws RuntimeException {return Float.parseFloat(next());}double nextDouble() throws RuntimeException {return Double.parseDouble(next());}void close() {try {br.close();} catch (IOException e) {// throw new IllegalStateException();}}}private static class Printer extends PrintWriter {Printer(PrintStream out) {super(out);}}}