結果

問題 No.456 Millions of Submits!
ユーザー GrenacheGrenache
提出日時 2017-01-18 01:19:20
言語 Java21
(openjdk 21)
結果
AC  
実行時間 1,190 ms / 4,500 ms
コード長 5,804 bytes
コンパイル時間 4,198 ms
コンパイル使用メモリ 80,832 KB
実行使用メモリ 99,948 KB
最終ジャッジ日時 2024-06-23 18:25:11
合計ジャッジ時間 13,002 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge1
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 56 ms
50,408 KB
testcase_01 AC 55 ms
50,332 KB
testcase_02 AC 55 ms
50,448 KB
testcase_03 AC 56 ms
50,280 KB
testcase_04 AC 55 ms
50,444 KB
testcase_05 AC 56 ms
50,328 KB
testcase_06 AC 59 ms
50,476 KB
testcase_07 AC 96 ms
51,368 KB
testcase_08 AC 96 ms
51,736 KB
testcase_09 AC 144 ms
53,440 KB
testcase_10 AC 148 ms
53,744 KB
testcase_11 AC 382 ms
64,792 KB
testcase_12 AC 1,190 ms
99,948 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.*;
import java.util.*;


public class Main_yukicoder456_2 {

	private static Scanner sc;
	private static Printer pr;

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

		StringBuilder ret = new StringBuilder();

		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)));
				ret.append(dtos(Math.pow(Math.E, Math.pow(t, (double)1 / b)), 10));
				ret.append("\n");
			} else if (b == 0) {
//				pr.printf("%.10f\n", Math.pow(t, (double)1 / a));
				ret.append(dtos(Math.pow(t, (double)1 / a), 10));
				ret.append("\n");
			} else {
				double x = 0.01;
//				double x = 3;
				double g = a * x + b * Math.log(x);
//				double g = Math.pow(x, a) * Math.pow(Math.log(x), b);
				t = Math.log(t);
				double EPS = 1.e-10;

				while (Math.abs(g - t) > EPS) {
					x -= (g - t) / (a + b / x);
//					x -= (g - t) / (Math.pow(x, a - 1) * Math.pow(Math.log(x), b - 1) * (a * Math.log(x) + b));
					g = a * x + b * Math.log(x);
//					g = Math.pow(x, a) * Math.pow(Math.log(x), b);

//					pr.printf("%.10f\n", g);
				}

//				pr.printf("%.10f\n", Math.pow(Math.E, x));
				ret.append(dtos(Math.pow(Math.E, x), 10));
				ret.append("\n");
//				pr.printf("%.10f\n", x);
			}
		}

		pr.print(ret);
	}

	private static String dtos(double x, int n) {
		StringBuilder ret = new StringBuilder();

		long tmp = (long)x;
		ret.append(tmp);
		x -= tmp;
		ret.append('.');
		for (int i = 0; i < n; i++) {
			x *= 10;
			tmp = (long)x;
			ret.append(tmp);
			x -= tmp;
		}

		return ret.toString();
	}

	// ---------------------------------------------------
	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);
		}
	}
}
0