結果

問題 No.202 1円玉投げ
ユーザー fujisufujisu
提出日時 2015-05-09 06:25:12
言語 Java21
(openjdk 21)
結果
AC  
実行時間 3,495 ms / 5,000 ms
コード長 3,380 bytes
コンパイル時間 2,428 ms
コンパイル使用メモリ 75,612 KB
実行使用メモリ 73,444 KB
最終ジャッジ日時 2023-08-23 22:40:07
合計ジャッジ時間 45,198 ms
ジャッジサーバーID
(参考情報)
judge13 / judge11
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 1,270 ms
63,664 KB
testcase_01 AC 2,083 ms
63,096 KB
testcase_02 AC 51 ms
49,372 KB
testcase_03 AC 51 ms
49,336 KB
testcase_04 AC 52 ms
49,904 KB
testcase_05 AC 405 ms
65,300 KB
testcase_06 AC 2,435 ms
63,168 KB
testcase_07 AC 2,947 ms
72,092 KB
testcase_08 AC 3,173 ms
61,040 KB
testcase_09 AC 1,447 ms
60,824 KB
testcase_10 AC 802 ms
67,892 KB
testcase_11 AC 1,319 ms
69,668 KB
testcase_12 AC 1,215 ms
61,496 KB
testcase_13 AC 716 ms
59,300 KB
testcase_14 AC 338 ms
59,072 KB
testcase_15 AC 1,549 ms
69,568 KB
testcase_16 AC 1,149 ms
63,236 KB
testcase_17 AC 1,915 ms
72,588 KB
testcase_18 AC 2,067 ms
73,444 KB
testcase_19 AC 1,288 ms
60,956 KB
testcase_20 AC 2,110 ms
65,276 KB
testcase_21 AC 1,489 ms
69,752 KB
testcase_22 AC 99 ms
52,316 KB
testcase_23 AC 119 ms
55,044 KB
testcase_24 AC 108 ms
54,568 KB
testcase_25 AC 136 ms
55,520 KB
testcase_26 AC 130 ms
55,432 KB
testcase_27 AC 132 ms
55,688 KB
testcase_28 AC 132 ms
55,716 KB
testcase_29 AC 146 ms
55,396 KB
testcase_30 AC 151 ms
55,768 KB
testcase_31 AC 133 ms
55,344 KB
testcase_32 AC 139 ms
57,692 KB
testcase_33 AC 149 ms
55,604 KB
testcase_34 AC 142 ms
55,528 KB
testcase_35 AC 1,352 ms
63,256 KB
testcase_36 AC 1,154 ms
63,664 KB
testcase_37 AC 3,495 ms
71,108 KB
testcase_38 AC 1,304 ms
63,440 KB
testcase_39 AC 110 ms
52,528 KB
testcase_40 AC 97 ms
52,196 KB
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ソースコード

diff #

import java.io.IOException;
import java.util.HashSet;
import java.util.InputMismatchException;

public class Main {
	class Point implements Comparable<Point> {
		int x, y;

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

		@Override
		public int compareTo(Point o) {
			return this.x != o.x ? this.x - o.x : this.y - o.y;
		}
	}

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

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

		HashSet<Integer>[] set = new HashSet[20001];
		for (int i = 0; i < 20001; i++) {
			set[i] = new HashSet<Integer>();
		}

		int n = sc.nextInt();

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

			int minX = Math.max(x - 19, 0);
			int maxX = Math.min(x + 19, 20000);
			//			int minY = Math.max(y - 19, 0);
			//			int maxY = Math.min(y + 19, 20000);
			for (int j = minX; j <= maxX; j++) {
				int dy = (int) Math.sqrt(399 - (j - x) * (j - x) + 0.0001);
				//				for (int k = minY; k <= maxY; k++) {
				int minY = Math.max(y - dy, 0);
				int maxY = Math.min(y + dy, 20000);
				for (int k = minY; k <= maxY; k++) {
					if (!isIntersect(x, y, j, k)) {
						continue;
					}
					if (!set[j].contains(k)) {
						continue;
					}
					if (isIntersect(x, y, j, k)) {
						continue L;
					}
				}
			}
			set[x].add(y);
			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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