#401073 (Java21) No.948 Bomb vs Dush

• 問題: No.948 Bomb vs Dush
• ユーザー: 37zigen
• 提出日時: 2019-11-24 23:52:57
• 言語: Java21 (openjdk 21)
• 結果: AC
• 実行時間: 53 ms / 2,000 ms
• コード長: 2,830 bytes
• コンパイル時間: 2,655 ms
• コンパイル使用メモリ: 78,668 KB
• 実行使用メモリ: 37,316 KB
• 最終ジャッジ日時: 2024-10-12 04:22:25
• 合計ジャッジ時間: 5,381 ms
• ジャッジサーバーID （参考情報）: judge4 / judge3

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	51 ms; 37,172 KB
testcase_01	AC	51 ms; 36,928 KB
testcase_02	AC	49 ms; 37,120 KB
testcase_03	AC	48 ms; 37,228 KB
testcase_04	AC	49 ms; 36,928 KB
testcase_05	AC	51 ms; 37,140 KB
testcase_06	AC	49 ms; 37,128 KB
testcase_07	AC	49 ms; 37,228 KB
testcase_08	AC	50 ms; 37,108 KB
testcase_09	AC	48 ms; 37,220 KB
testcase_10	AC	52 ms; 37,228 KB
testcase_11	AC	52 ms; 37,120 KB
testcase_12	AC	53 ms; 36,764 KB
testcase_13	AC	52 ms; 37,232 KB
testcase_14	AC	53 ms; 37,228 KB
testcase_15	AC	50 ms; 37,104 KB
testcase_16	AC	52 ms; 37,060 KB
testcase_17	AC	51 ms; 37,300 KB
testcase_18	AC	50 ms; 37,160 KB
testcase_19	AC	49 ms; 36,752 KB
testcase_20	AC	50 ms; 37,168 KB
testcase_21	AC	51 ms; 37,288 KB
testcase_22	AC	51 ms; 36,668 KB
testcase_23	AC	50 ms; 37,316 KB
testcase_24	AC	49 ms; 36,760 KB
testcase_25	AC	50 ms; 36,588 KB
testcase_26	AC	49 ms; 37,236 KB
testcase_27	AC	49 ms; 37,080 KB
testcase_28	AC	48 ms; 36,896 KB
testcase_29	AC	48 ms; 37,112 KB
testcase_30	AC	49 ms; 36,896 KB
testcase_31	AC	50 ms; 37,248 KB
testcase_32	AC	48 ms; 37,116 KB
testcase_33	AC	48 ms; 37,084 KB
testcase_34	AC	49 ms; 37,248 KB
testcase_35	AC	51 ms; 36,756 KB
testcase_36	AC	51 ms; 37,048 KB
testcase_37	AC	48 ms; 36,868 KB
testcase_38	AC	48 ms; 37,248 KB
testcase_39	AC	49 ms; 36,872 KB
testcase_40	AC	50 ms; 37,228 KB

ソースコード

import java.io.FileNotFoundException;
// check violation of constraints

import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import java.util.NoSuchElementException;

public class Main {

	void run() {
		FastScanner sc = new FastScanner();
		double r = sc.nextDouble();
		double R = sc.nextDouble();
		{
			String[] s1 = String.valueOf(r).split("\\.");
			String[] s2 = String.valueOf(R).split("\\.");
			if ((s1.length >= 2 && s1[1].length() > 7)||(s2.length >= 2 && s2[1].length() > 7)) {
				throw new AssertionError();
			}
		}
		if (!(0 < r && r + 0.01 < R && R <= 100)) {
			throw new AssertionError();
		}
		double outer = R + r;
		double inner = R - r;
		double ang = Math.atan2(r, Math.sqrt(R * R - r * r));
		double ans = Math.PI * (outer * outer - inner * inner) * ((Math.PI - ang) / Math.PI) + Math.PI * r * r;
		System.out.println(2 * Math.PI - 2 * ang);
		System.out.println(ans);
	}

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

	void tr(Object... objects) {
		System.out.println(Arrays.deepToString(objects));
	}
}

class FastScanner {
	private final InputStream in = System.in;
	private final byte[] buffer = new byte[1024];
	private int ptr = 0;
	private int buflen = 0;

	private boolean hasNextByte() {
		if (ptr < buflen) {
			return true;
		} else {
			ptr = 0;
			try {
				buflen = in.read(buffer);
			} catch (IOException e) {
				e.printStackTrace();
			}
			if (buflen <= 0) {
				return false;
			}
		}
		return true;
	}

	private int readByte() {
		if (hasNextByte())
			return buffer[ptr++];
		else
			return -1;
	}

	private static boolean isPrintableChar(int c) {
		return 33 <= c && c <= 126;
	}

	public boolean hasNext() {
		while (hasNextByte() && !isPrintableChar(buffer[ptr]))
			ptr++;
		return hasNextByte();
	}

	public String next() {
		if (!hasNext())
			throw new NoSuchElementException();
		StringBuilder sb = new StringBuilder();
		int b = readByte();
		while (isPrintableChar(b)) {
			sb.appendCodePoint(b);
			b = readByte();
		}
		return sb.toString();
	}

	public long nextLong() {
		if (!hasNext())
			throw new NoSuchElementException();
		long n = 0;
		boolean minus = false;
		int b = readByte();
		if (b == '-') {
			minus = true;
			b = readByte();
		}
		if (b < '0' || '9' < b) {
			throw new NumberFormatException();
		}
		while (true) {
			if ('0' <= b && b <= '9') {
				n *= 10;
				n += b - '0';
			} else if (b == -1 || !isPrintableChar(b)) {
				return minus ? -n : n;
			} else {
				throw new NumberFormatException();
			}
			b = readByte();
		}
	}

	public int nextInt() {
		long nl = nextLong();
		if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE)
			throw new NumberFormatException();
		return (int) nl;
	}

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