結果

問題 No.202 1円玉投げ
ユーザー fujisufujisu
提出日時 2015-05-09 05:09:27
言語 Java21
(openjdk 21)
結果
AC  
実行時間 2,628 ms / 5,000 ms
コード長 3,114 bytes
コンパイル時間 2,198 ms
コンパイル使用メモリ 74,952 KB
実行使用メモリ 73,960 KB
最終ジャッジ日時 2023-08-23 22:35:18
合計ジャッジ時間 29,006 ms
ジャッジサーバーID
(参考情報)
judge15 / 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 968 ms
65,400 KB
testcase_01 AC 765 ms
73,960 KB
testcase_02 AC 50 ms
49,504 KB
testcase_03 AC 49 ms
47,652 KB
testcase_04 AC 49 ms
49,512 KB
testcase_05 AC 156 ms
58,316 KB
testcase_06 AC 718 ms
72,044 KB
testcase_07 AC 748 ms
73,948 KB
testcase_08 AC 779 ms
71,620 KB
testcase_09 AC 605 ms
69,608 KB
testcase_10 AC 381 ms
67,788 KB
testcase_11 AC 537 ms
69,540 KB
testcase_12 AC 565 ms
69,956 KB
testcase_13 AC 402 ms
68,984 KB
testcase_14 AC 164 ms
59,332 KB
testcase_15 AC 566 ms
69,284 KB
testcase_16 AC 1,650 ms
71,772 KB
testcase_17 AC 1,742 ms
71,384 KB
testcase_18 AC 1,752 ms
71,704 KB
testcase_19 AC 582 ms
69,484 KB
testcase_20 AC 683 ms
71,740 KB
testcase_21 AC 589 ms
69,712 KB
testcase_22 AC 134 ms
56,520 KB
testcase_23 AC 135 ms
56,240 KB
testcase_24 AC 95 ms
54,000 KB
testcase_25 AC 102 ms
54,156 KB
testcase_26 AC 113 ms
55,712 KB
testcase_27 AC 128 ms
55,112 KB
testcase_28 AC 99 ms
54,472 KB
testcase_29 AC 96 ms
52,164 KB
testcase_30 AC 102 ms
54,492 KB
testcase_31 AC 89 ms
53,636 KB
testcase_32 AC 98 ms
53,856 KB
testcase_33 AC 95 ms
54,080 KB
testcase_34 AC 107 ms
56,496 KB
testcase_35 AC 2,628 ms
71,684 KB
testcase_36 AC 1,589 ms
63,724 KB
testcase_37 AC 956 ms
73,700 KB
testcase_38 AC 2,563 ms
71,636 KB
testcase_39 AC 75 ms
53,336 KB
testcase_40 AC 78 ms
51,484 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 #

import java.io.IOException;
import java.util.InputMismatchException;
import java.util.LinkedList;
import java.util.List;

public class Main {
	class Point {
		int x, y;

		Point(int x, int y) {
			this.x = x;
			this.y = y;
		}
	}

	boolean isIntersect(Point a, Point b) {
		return (a.x - b.x) * (a.x - b.x) + (a.y - b.y) * (a.y - b.y) < 400;
	}

	void run() {
		MyScanner sc = new MyScanner();

		List<Point>[] X = new LinkedList[20001];
		List<Point>[] Y = new LinkedList[20001];
		for (int i = 0; i < 20001; i++) {
			X[i] = new LinkedList<Point>();
			Y[i] = new LinkedList<Point>();
		}

		int n = sc.nextInt();
		int ans = 0;
		L: for (int i = 0; i < n; i++) {
			int x = sc.nextInt();
			int y = sc.nextInt();
			Point p = new Point(x, y);

			for (int j = Math.max(0, x - 20); j <= Math.min(20000, x + 20); j++) {
				for (Point q : X[j]) {
					if (isIntersect(p, q)) {
						continue L;
					}
				}
			}
			for (int j = Math.max(0, y - 10); j <= Math.min(20000, y + 20); j++) {
				for (Point q : Y[j]) {
					if (isIntersect(p, q)) {
						continue L;
					}
				}
			}
			X[x].add(p);
			Y[y].add(p);
			ans++;
		}
		System.out.println(ans);
	}

	public static void main(String[] args) {
		new Main().run();
	}

	public void mapDebug(int[][] a) {
		System.out.println("--------map display---------");
		for (int i = 0; i < a.length; i++) {
			for (int j = 0; j < a[i].length; j++) {
				System.out.printf("%3d ", a[i][j]);
			}
			System.out.println();
		}
		System.out.println("----------------------------" + '\n');
	}

	class MyScanner {
		int read() {
			try {
				return System.in.read();
			} catch (IOException e) {
				throw new InputMismatchException();
			}
		}

		boolean isSpaceChar(int c) {
			return c == ' ' || c == '\n' || c == '\r' || c == '\t' || c == -1;
		}

		boolean isEndline(int c) {
			return c == '\n' || c == '\r' || c == -1;
		}

		int nextInt() {
			return Integer.parseInt(next());
		}

		int[] nextIntArray(int n) {
			int[] array = new int[n];
			for (int i = 0; i < n; i++)
				array[i] = nextInt();
			return array;
		}

		long nextLong() {
			return Long.parseLong(next());
		}

		long[] nextLongArray(int n) {
			long[] array = new long[n];
			for (int i = 0; i < n; i++)
				array[i] = nextLong();
			return array;
		}

		double nextDouble() {
			return Double.parseDouble(next());
		}

		double[] nextDoubleArray(int n) {
			double[] array = new double[n];
			for (int i = 0; i < n; i++)
				array[i] = nextDouble();
			return array;
		}

		String next() {
			int c = read();
			while (isSpaceChar(c))
				c = read();
			StringBuilder res = new StringBuilder();
			do {
				res.appendCodePoint(c);
				c = read();
			} while (!isSpaceChar(c));
			return res.toString();
		}

		String[] nextStringArray(int n) {
			String[] array = new String[n];
			for (int i = 0; i < n; i++)
				array[i] = next();

			return array;
		}

		String nextLine() {
			int c = read();
			while (isEndline(c))
				c = read();
			StringBuilder res = new StringBuilder();
			do {
				res.appendCodePoint(c);
				c = read();
			} while (!isEndline(c));
			return res.toString();
		}
	}
}
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