結果
問題 | No.1501 酔歩 |
ユーザー |
![]() |
提出日時 | 2021-04-08 14:46:12 |
言語 | Java (openjdk 23) |
結果 |
WA
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 15,603 bytes |
コンパイル時間 | 4,286 ms |
コンパイル使用メモリ | 94,368 KB |
実行使用メモリ | 55,700 KB |
最終ジャッジ日時 | 2024-09-15 01:46:17 |
合計ジャッジ時間 | 11,964 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 12 WA * 41 |
ソースコード
import java.util.*;import java.io.*;public class Main {public static void solve(ContestScanner sc, ContestPrinter ou) {int n = sc.nextInt();int k = sc.nextInt() - 1;var a = sc.nextIntArray(n);long l = 0, r = 0;for (int i = 0; i < n - 1; i++) {if (i < k)l += 3600 / a[i] / a[i + 1];r += 3600 / a[i] / a[i + 1];}if (l == 0)ou.println(0);else {long s = g(l, r);l /= s;r /= s;ou.println(l + "/" + r);}}static long g(long a, long b) {return b == 0 ? a : g(b, a % b);}public static void main(String[] args) {var sc = new ContestScanner();var ou = new ContestPrinter();solve(sc, ou);ou.flush();ou.close();}public static int intArray(int[] a, java.util.function.IntBinaryOperator map) {int s = a[0];for (int i = 1; i < a.length; i++)s = map.applyAsInt(s, a[i]);return s;}public static long longArray(long[] a, java.util.function.LongBinaryOperator map) {long s = a[0];for (int i = 1; i < a.length; i++)s = map.applyAsLong(s, a[i]);return s;}public static int max(int s, int... a) {for (int i : a)if (s < i)s = i;return s;}public static long max(long s, long... a) {for (long i : a)if (s < i)s = i;return s;}public static int min(int s, int... a) {for (int i : a)if (s > i)s = i;return s;}public static long min(long s, long... a) {for (long i : a)if (s > i)s = i;return s;}static class Point {int x;int y;Point(int x, int y) {this.x = x;this.y = y;}int compareTo(Point p) {long c = this.x - p.x;if (c < 0)return -1;if (c > 0)return 1;return 0;}boolean equals(Point p) {return this.x == p.x && this.y == p.y;}}static class Point2 {long x;int y;Point2(long x, int y) {this.x = x;this.y = y;}int compareTo(Point2 p) {long c = this.x - p.x;if (c < 0)return -1;if (c > 0)return 1;return 0;}boolean equals(Point2 p) {return this.x == p.x && this.y == p.y;}}}class ContestScanner {private final InputStream in;private final byte[] buffer = new byte[1024];private int ptr = 0;private int buflen = 0;public ContestScanner(InputStream in) {this.in = in;}public ContestScanner() {this(System.in);}private boolean hasNextByte() {if (ptr < buflen)return true;ptr = 0;try {buflen = in.read(buffer);} catch (IOException e) {e.printStackTrace();}if (buflen <= 0)return false;return true;}private int readByte() {return hasNextByte() ? buffer[ptr++] : -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 void nextThrow(int n) {for (int i = 0; i < n; i++)this.next();}public void nextThrow() {this.nextThrow(1);}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;elsethrow 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());}public boolean[] nextBoolean(char True) {String s = this.next();int n = s.length();boolean[] array = new boolean[n];for (int i = 0; i < n; i++)array[i] = s.charAt(i) == True;return array;}public long[] nextLongArray(int length) {long[] array = new long[length];for (int i = 0; i < length; i++)array[i] = this.nextLong();return array;}public long[] nextLongArray(int length, java.util.function.LongUnaryOperator map) {long[] array = new long[length];for (int i = 0; i < length; i++)array[i] = map.applyAsLong(this.nextLong());return array;}public int[] nextIntArray(int length) {int[] array = new int[length];for (int i = 0; i < length; i++)array[i] = this.nextInt();return array;}public int[] nextIntArray(int length, java.util.function.IntUnaryOperator map) {int[] array = new int[length];for (int i = 0; i < length; i++)array[i] = map.applyAsInt(this.nextInt());return array;}public int[] nextIntArray(int length, int[] array) {int n = length + array.length;int[] a = new int[n];for (int i = 0; i < length; i++)a[i] = this.nextInt();for (int i = length; i < n; i++)a[i] = array[i - length];return a;}public Integer[] nextIntegerArray(int length, java.util.function.IntUnaryOperator map) {Integer[] array = new Integer[length];for (int i = 0; i < length; i++)array[i] = map.applyAsInt(this.nextInt());return array;}public Integer[] nextIntegerArray(int length) {Integer[] array = new Integer[length];for (int i = 0; i < length; i++)array[i] = this.nextInt();return array;}public double[] nextDoubleArray(int length) {double[] array = new double[length];for (int i = 0; i < length; i++)array[i] = this.nextDouble();return array;}public double[] nextDoubleArray(int length, java.util.function.DoubleUnaryOperator map) {double[] array = new double[length];for (int i = 0; i < length; i++)array[i] = map.applyAsDouble(this.nextDouble());return array;}public String[] nextArray(int length) {String[] array = new String[length];for (int i = 0; i < length; i++)array[i] = this.next();return array;}public long[][] nextLongMatrix(int height, int width) {long[][] mat = new long[height][width];for (int h = 0; h < height; h++)for (int w = 0; w < width; w++)mat[h][w] = this.nextLong();return mat;}public int[][] nextIntMatrix(int height, int width) {int[][] mat = new int[height][width];for (int h = 0; h < height; h++)for (int w = 0; w < width; w++)mat[h][w] = this.nextInt();return mat;}public double[][] nextDoubleMatrix(int height, int width) {double[][] mat = new double[height][width];for (int h = 0; h < height; h++)for (int w = 0; w < width; w++)mat[h][w] = this.nextDouble();return mat;}public boolean[][] nextBooleanMatrix(int height, int width, char True) {boolean[][] mat = new boolean[height][width];for (int h = 0; h < height; h++) {String s = this.next();for (int w = 0; w < width; w++)mat[h][w] = s.charAt(w) == True;}return mat;}public char[][] nextCharMatrix(int height, int width) {char[][] mat = new char[height][width];for (int h = 0; h < height; h++) {String s = this.next();for (int w = 0; w < width; w++)mat[h][w] = s.charAt(w);}return mat;}public char[][] nextCharMatrix(int height, int width, int h, int w, char c) {char[][] mat = new char[height + 2 * h][width + 2 * w];for (int i = 0; i < height; i++) {String s = this.next();for (int j = 0; j < width; j++)mat[i + h][j + w] = s.charAt(j);}for (int i = 0; i < h; i++)for (int j = 0; j < 2 * w + width; j++)mat[i][j] = c;for (int i = h + height; i < 2 * h + height; i++)for (int j = 0; j < 2 * w + width; j++)mat[i][j] = c;for (int i = h; i < h + height; i++) {for (int j = 0; j < w; j++)mat[i][j] = c;for (int j = w + width; j < 2 * w + width; j++)mat[i][j] = c;}return mat;}public boolean[][] nextBooleanMatrix(int height, int width, int h, int w, char c) {boolean[][] mat = new boolean[height + 2 * h][width + 2 * w];for (int i = 0; i < height; i++) {String s = this.next();for (int j = 0; j < width; j++)mat[i + h][j + w] = s.charAt(j) == c;}return mat;}}class ContestPrinter extends PrintWriter {public ContestPrinter(PrintStream stream) {super(stream);}public ContestPrinter() {super(System.out);}private static String dtos(double x, int n) {StringBuilder sb = new StringBuilder();if (x < 0) {sb.append('-');x = -x;}x += Math.pow(10, -n) / 2;sb.append((long) x);sb.append(".");x -= (long) x;for (int i = 0; i < n; i++) {x *= 10;sb.append((int) x);x -= (int) x;}return sb.toString();}@Overridepublic void print(float f) {super.print(dtos(f, 20));}@Overridepublic void println(float f) {super.println(dtos(f, 20));}@Overridepublic void print(double d) {super.print(dtos(d, 20));}@Overridepublic void println(double d) {super.println(dtos(d, 20));}public void printlnArray(String[] array) {for (String i : array)super.println(i);}public void printArray(int[] array, String separator) {int n = array.length - 1;for (int i = 0; i < n; i++) {super.print(array[i]);super.print(separator);}super.println(array[n]);}public void printArray(int[] array) {this.printArray(array, " ");}public void printArray(Integer[] array) {this.printArray(array, " ");}public void printArray(Integer[] array, String separator) {int n = array.length - 1;for (int i = 0; i < n; i++) {super.print(array[i]);super.print(separator);}super.println(array[n]);}public void printlnArray(int[] array) {for (int i : array)super.println(i);}public void printArray(int[] array, String separator, java.util.function.IntUnaryOperator map) {int n = array.length - 1;for (int i = 0; i < n; i++) {super.print(map.applyAsInt(array[i]));super.print(separator);}super.println(map.applyAsInt(array[n]));}public void printlnArray(int[] array, java.util.function.IntUnaryOperator map) {for (int i : array)super.println(map.applyAsInt(i));}public void printlnArray(long[] array, java.util.function.LongUnaryOperator map) {for (long i : array)super.println(map.applyAsLong(i));}public void printArray(int[] array, java.util.function.IntUnaryOperator map) {this.printArray(array, " ", map);}public void printArray(long[] array, String separator) {int n = array.length - 1;for (int i = 0; i < n; i++) {super.print(array[i]);super.print(separator);}super.println(array[n]);}public void printArray(long[] array) {this.printArray(array, " ");}public void printlnArray(long[] array) {for (long i : array)super.println(i);}public void printArray(boolean[] array, String a, String b) {int n = array.length - 1;for (int i = 0; i < n; i++)super.print((array[i] ? a : b) + " ");super.println(array[n] ? a : b);}public void printArray(boolean[] array) {this.printArray(array, "Y", "N");}public void printArray(long[] array, String separator, java.util.function.LongUnaryOperator map) {int n = array.length - 1;for (int i = 0; i < n; i++) {super.print(map.applyAsLong(array[i]));super.print(separator);}super.println(map.applyAsLong(array[n]));}public void printArray(long[] array, java.util.function.LongUnaryOperator map) {this.printArray(array, " ", map);}public void printArray(ArrayList<?> array) {this.printArray(array, " ");}public void printArray(ArrayList<?> array, String separator) {int n = array.size() - 1;for (int i = 0; i < n; i++) {super.print(array.get(i).toString());super.print(separator);}super.println(array.get(n).toString());}public void printlnArray(ArrayList<?> array) {int n = array.size();for (int i = 0; i < n; i++)super.println(array.get(i).toString());}public void printArray(int[][] array) {int n = array.length;if (n == 0)return;int m = array[0].length - 1;for (int i = 0; i < n; i++) {for (int j = 0; j < m; j++)super.print(array[i][j] + " ");super.println(array[i][m]);}}public void printArray(long[][] array) {int n = array.length;if (n == 0)return;int m = array[0].length - 1;for (int i = 0; i < n; i++) {for (int j = 0; j < m; j++)super.print(array[i][j] + " ");super.println(array[i][m]);}}}