結果
| 問題 | No.415 ぴょん |
| ユーザー |
 hiro116s
|
| 提出日時 | 2016-08-26 23:15:54 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 52 ms / 1,000 ms |
| コード長 | 4,176 bytes |
| コンパイル時間 | 2,245 ms |
| コンパイル使用メモリ | 82,020 KB |
| 実行使用メモリ | 50,680 KB |
| 最終ジャッジ日時 | 2024-11-18 14:41:57 |
| 合計ジャッジ時間 | 4,368 ms |
|
ジャッジサーバーID （参考情報） |
judge3 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 27 |
ソースコード
import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.IOException;import java.io.InputStream;import java.io.PrintWriter;import java.util.Arrays;import java.util.HashMap;import java.util.InputMismatchException;public class Main {InputStream is;int __t__ = 1;int __f__ = 0;int __FILE_DEBUG_FLAG__ = __f__;String __DEBUG_FILE_NAME__ = "src/D2";FastScanner in;PrintWriter out;long gcd(long x, long y) {if (x == 0 || y == 0) return x + y;return gcd(y, x % y);}long lcm(long x, long y) {return x * (y / gcd(x, y));}public void solve() {long n = in.nextLong(), d = in.nextLong();System.out.println(n / gcd(n, d) - 1);}public void run() {if (__FILE_DEBUG_FLAG__ == __t__) {try {is = new FileInputStream(__DEBUG_FILE_NAME__);} catch (FileNotFoundException e) {e.printStackTrace();}System.out.println("FILE_INPUT!");} else {is = System.in;}in = new FastScanner(is);out = new PrintWriter(System.out);Thread t = new Thread(null, new Runnable() {@Overridepublic void run() {solve();}}, "lul", 1 << 27);t.start();}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("----------------------------");System.out.println();}public void debug(Object... obj) {System.out.println(Arrays.deepToString(obj));}class FastScanner {private InputStream stream;private byte[] buf = new byte[1024];private int curChar;private int numChars;public FastScanner(InputStream stream) {this.stream = stream;//stream = new FileInputStream(new File("dec.in"));}int read() {if (numChars == -1)throw new InputMismatchException();if (curChar >= numChars) {curChar = 0;try {numChars = stream.read(buf);} catch (IOException e) {throw new InputMismatchException();}if (numChars <= 0)return -1;}return buf[curChar++];}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;}int[][] nextIntMap(int n, int m) {int[][] map = new int[n][m];for (int i = 0; i < n; i++) {map[i] = in.nextIntArray(m);}return map;}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;}long[][] nextLongMap(int n, int m) {long[][] map = new long[n][m];for (int i = 0; i < n; i++) {map[i] = in.nextLongArray(m);}return map;}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;}double[][] nextDoubleMap(int n, int m) {double[][] map = new double[n][m];for (int i = 0; i < n; i++) {map[i] = in.nextDoubleArray(m);}return map;}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();}}}