結果
問題 | No.1113 二つの整数 / Two Integers |
ユーザー |
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提出日時 | 2023-02-16 15:36:41 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 54 ms / 1,000 ms |
コード長 | 2,131 bytes |
コンパイル時間 | 2,505 ms |
コンパイル使用メモリ | 90,352 KB |
実行使用メモリ | 50,480 KB |
最終ジャッジ日時 | 2024-07-18 15:56:54 |
合計ジャッジ時間 | 4,265 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 15 |
ソースコード
import java.io.*;import java.util.*;import java.util.stream.*;public class Main {public static void main(String[] args) throws Exception {Scanner sc = new Scanner();long a = sc.nextLong();long b = sc.nextLong();if (isSquare(getGCD(a, b))) {System.out.println("Odd");} else {System.out.println("Even");}}static long getGCD(long a, long b) {if (b == 0) {return a;} else {return getGCD(b, a % b);}}static boolean isSquare(long x) {long left = 0;long right = Integer.MAX_VALUE;while (right - left > 1) {long m = (left + right) / 2;if (m * m <= x) {left = m;} else {right = m;}}return left * left == x;}}class Utilities {static String arrayToLineString(Object[] arr) {return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n"));}static String arrayToLineString(int[] arr) {return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new));}}class Scanner {BufferedReader br = new BufferedReader(new InputStreamReader(System.in));StringTokenizer st = new StringTokenizer("");StringBuilder sb = new StringBuilder();public Scanner() throws Exception {}public int nextInt() throws Exception {return Integer.parseInt(next());}public long nextLong() throws Exception {return Long.parseLong(next());}public double nextDouble() throws Exception {return Double.parseDouble(next());}public int[] nextIntArray() throws Exception {return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray();}public String next() throws Exception {while (!st.hasMoreTokens()) {st = new StringTokenizer(br.readLine());}return st.nextToken();}}