結果
問題 | No.726 Tree Game |
ユーザー | hiromi_ayase |
提出日時 | 2018-08-25 07:51:02 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 80 ms / 2,000 ms |
コード長 | 3,431 bytes |
コンパイル時間 | 2,665 ms |
コンパイル使用メモリ | 91,124 KB |
実行使用メモリ | 51,600 KB |
最終ジャッジ日時 | 2024-06-24 12:31:20 |
合計ジャッジ時間 | 5,699 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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 | 77 ms
51,340 KB |
testcase_01 | AC | 76 ms
51,256 KB |
testcase_02 | AC | 77 ms
51,560 KB |
testcase_03 | AC | 77 ms
51,432 KB |
testcase_04 | AC | 78 ms
51,320 KB |
testcase_05 | AC | 77 ms
51,488 KB |
testcase_06 | AC | 78 ms
51,468 KB |
testcase_07 | AC | 76 ms
51,528 KB |
testcase_08 | AC | 77 ms
51,460 KB |
testcase_09 | AC | 77 ms
51,148 KB |
testcase_10 | AC | 75 ms
51,284 KB |
testcase_11 | AC | 76 ms
51,516 KB |
testcase_12 | AC | 76 ms
51,212 KB |
testcase_13 | AC | 77 ms
51,588 KB |
testcase_14 | AC | 76 ms
51,188 KB |
testcase_15 | AC | 78 ms
51,512 KB |
testcase_16 | AC | 78 ms
51,600 KB |
testcase_17 | AC | 80 ms
51,492 KB |
testcase_18 | AC | 78 ms
51,156 KB |
testcase_19 | AC | 79 ms
51,484 KB |
testcase_20 | AC | 78 ms
51,276 KB |
testcase_21 | AC | 80 ms
51,260 KB |
testcase_22 | AC | 80 ms
51,324 KB |
testcase_23 | AC | 78 ms
51,232 KB |
testcase_24 | AC | 79 ms
51,276 KB |
ソースコード
public class Main { private static void solve() { int x = ni(); int y = ni(); boolean xp = isPrime(x); boolean yp = isPrime(y); int d = 0; if (xp && yp) { System.out.println("Second"); return; } else if (xp) { x ++; d = 1; if (isPrime(x)) { System.out.println("Second"); return; } } else if (yp) { y ++; d = 1; if (isPrime(y)) { System.out.println("Second"); return; } } int nx = find(x); int ny = find(y); int z = (nx - x) + (ny - y) + d; System.out.println(z % 2 == 1 ? "First" : "Second"); } private static int find(int x) { for (int i = x + 1;; i ++) { if (isPrime(i)) { return i; } } } public static boolean isPrime(long x) { if (x == 0 || x == 1 || x != 2 && x % 2 == 0) { return false; } long sqrtX = (long) Math.sqrt(x); for (long i = 3; i <= sqrtX; i += 2) { if (x % i == 0) { return false; } } return true; } public static void main(String[] args) { new Thread(null, new Runnable() { @Override public void run() { long start = System.currentTimeMillis(); String debug = args.length > 0 ? args[0] : null; if (debug != null) { try { is = java.nio.file.Files.newInputStream(java.nio.file.Paths.get(debug)); } catch (Exception e) { throw new RuntimeException(e); } } reader = new java.io.BufferedReader(new java.io.InputStreamReader(is), 32768); solve(); out.flush(); tr((System.currentTimeMillis() - start) + "ms"); } }, "", 64000000).start(); } private static java.io.InputStream is = System.in; private static java.io.PrintWriter out = new java.io.PrintWriter(System.out); private static java.util.StringTokenizer tokenizer = null; private static java.io.BufferedReader reader; public static String next() { while (tokenizer == null || !tokenizer.hasMoreTokens()) { try { tokenizer = new java.util.StringTokenizer(reader.readLine()); } catch (Exception e) { throw new RuntimeException(e); } } return tokenizer.nextToken(); } private static double nd() { return Double.parseDouble(next()); } private static long nl() { return Long.parseLong(next()); } private static int[] na(int n) { int[] a = new int[n]; for (int i = 0; i < n; i++) a[i] = ni(); return a; } private static char[] ns() { return next().toCharArray(); } private static long[] nal(int n) { long[] a = new long[n]; for (int i = 0; i < n; i++) a[i] = nl(); return a; } private static int[][] ntable(int n, int m) { int[][] table = new int[n][m]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { table[i][j] = ni(); } } return table; } private static int[][] nlist(int n, int m) { int[][] table = new int[m][n]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { table[j][i] = ni(); } } return table; } private static int ni() { return Integer.parseInt(next()); } private static void tr(Object... o) { if (is != System.in) System.out.println(java.util.Arrays.deepToString(o)); } }