結果

問題 No.456 Millions of Submits!
ユーザー GrenacheGrenache
提出日時 2017-01-17 23:58:35
言語 Java21
(openjdk 21)
結果
AC  
実行時間 3,459 ms / 4,500 ms
コード長 4,939 bytes
コンパイル時間 3,269 ms
コンパイル使用メモリ 78,464 KB
実行使用メモリ 73,216 KB
最終ジャッジ日時 2024-06-01 23:58:46
合計ジャッジ時間 18,574 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge1
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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 118 ms
41,280 KB
testcase_01 AC 123 ms
41,392 KB
testcase_02 AC 117 ms
41,264 KB
testcase_03 AC 118 ms
41,300 KB
testcase_04 AC 119 ms
41,660 KB
testcase_05 AC 138 ms
41,740 KB
testcase_06 AC 136 ms
41,248 KB
testcase_07 AC 224 ms
42,464 KB
testcase_08 AC 216 ms
42,848 KB
testcase_09 AC 375 ms
49,528 KB
testcase_10 AC 357 ms
49,624 KB
testcase_11 AC 1,074 ms
70,184 KB
testcase_12 AC 3,459 ms
73,216 KB
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ソースコード

diff # 

import java.io.*;
import java.util.*;


public class Main_yukicoder456_2 {

	private static Scanner sc;
	private static Printer pr;

	private static void solve() {
		int m = sc.nextInt();

		for (int i = 0; i < m; i++) {
			int a = sc.nextInt();
			int b = sc.nextInt();
			double t = sc.nextDouble();

			if (a == 0) {
				pr.printf("%.10f\n", Math.pow(Math.E, Math.pow(t, (double)1 / b)));
			} else if (b == 0) {
				pr.printf("%.10f\n", Math.pow(t, (double)1 / a));
			} else {
				double l = 0;
				double r = 10;

				t = Math.log(t);
				for (int j = 0; j < 45; j++) {
					double mid = (l + r) / 2;

					double f = mid * a + Math.log(mid) * b;

					if (f >= t) {
						r = mid;
					} else {
						l = mid;
					}
				}

				pr.printf("%.10f\n", Math.pow(Math.E, r));
			}
		}
	}

	// ---------------------------------------------------
	public static void main(String[] args) {
		sc = new Scanner(System.in);
		pr = new Printer(System.out);

		solve();

		pr.close();
		sc.close();
	}

	@SuppressWarnings("unused")
	private static class Scanner {
		BufferedReader br;

		Scanner (InputStream in) {
			br = new BufferedReader(new InputStreamReader(in));
		}

		private boolean isPrintable(int ch) {
			return ch >= '!' && ch <= '~';
		}

		private boolean isCRLF(int ch) {
			return ch == '\n' || ch == '\r' || ch == -1;
		}

		private int nextPrintable() {
			try {
				int ch;
				while (!isPrintable(ch = br.read())) {
					if (ch == -1) {
						throw new NoSuchElementException();
					}
				}

				return ch;
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		String next() {
			try {
				int ch = nextPrintable();
				StringBuilder sb = new StringBuilder();
				do {
					sb.appendCodePoint(ch);
				} while (isPrintable(ch = br.read()));

				return sb.toString();
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		int nextInt() {
			try {
				// parseInt from Integer.parseInt()
				boolean negative = false;
				int res = 0;
				int limit = -Integer.MAX_VALUE;
				int radix = 10;

				int fc = nextPrintable();
				if (fc < '0') {
					if (fc == '-') {
						negative = true;
						limit = Integer.MIN_VALUE;
					} else if (fc != '+') {
						throw new NumberFormatException();
					}
					fc = br.read();
				}
				int multmin = limit / radix;

				int ch = fc;
				do {
					int digit = ch - '0';
					if (digit < 0 || digit >= radix) {
						throw new NumberFormatException();
					}
					if (res < multmin) {
						throw new NumberFormatException();
					}
					res *= radix;
					if (res < limit + digit) {
						throw new NumberFormatException();
					}
					res -= digit;

				} while (isPrintable(ch = br.read()));

				return negative ? res : -res;
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		long nextLong() {
			try {
				// parseLong from Long.parseLong()
				boolean negative = false;
				long res = 0;
				long limit = -Long.MAX_VALUE;
				int radix = 10;

				int fc = nextPrintable();
				if (fc < '0') {
					if (fc == '-') {
						negative = true;
						limit = Long.MIN_VALUE;
					} else if (fc != '+') {
						throw new NumberFormatException();
					}
					fc = br.read();
				}
				long multmin = limit / radix;

				int ch = fc;
				do {
					int digit = ch - '0';
					if (digit < 0 || digit >= radix) {
						throw new NumberFormatException();
					}
					if (res < multmin) {
						throw new NumberFormatException();
					}
					res *= radix;
					if (res < limit + digit) {
						throw new NumberFormatException();
					}
					res -= digit;

				} while (isPrintable(ch = br.read()));

				return negative ? res : -res;
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		float nextFloat() {
			return Float.parseFloat(next());
		}

		double nextDouble() {
//			return Double.parseDouble(next());
			double ret = 0;
			try {
				boolean flag = false;
				double base = 0.1;
				int ch = nextPrintable();
				do {
					if (ch == '.') {
						flag = true;
					} else {
						if (!flag) {
							ret *= 10;
							ret += ch - '0';
						} else {
							ret += (ch - '0') * base;
							base /= 10;
						}
					}
				} while (isPrintable(ch = br.read()));

				return ret;
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		String nextLine() {
			try {
				int ch;
				while (isCRLF(ch = br.read())) {
					if (ch == -1) {
						throw new NoSuchElementException();
					}
				}
				StringBuilder sb = new StringBuilder();
				do {
					sb.appendCodePoint(ch);
				} while (!isCRLF(ch = br.read()));

				return sb.toString();
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		void close() {
			try {
				br.close();
			} catch (IOException e) {
//				throw new NoSuchElementException();
			}
		}
	}

	private static class Printer extends PrintWriter {
		Printer(PrintStream out) {
			super(out);
		}
	}
}
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