結果
問題 | No.7 プライムナンバーゲーム |
ユーザー |
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提出日時 | 2023-12-18 09:31:39 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 102 ms / 5,000 ms |
コード長 | 2,375 bytes |
コンパイル時間 | 2,257 ms |
コンパイル使用メモリ | 92,416 KB |
実行使用メモリ | 52,104 KB |
最終ジャッジ日時 | 2024-09-27 08:17:24 |
合計ジャッジ時間 | 4,361 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 * 17 |
ソースコード
import java.io.*;import java.util.*;import java.util.stream.*;public class Main {static ArrayList<ArrayList<Integer>> graph = new ArrayList<>();public static void main(String[] args) throws Exception {Scanner sc = new Scanner();int n = sc.nextInt();boolean[] isNotPrimes = new boolean[n + 1];ArrayList<Integer> primes = new ArrayList<>();for (int i = 2; i <= n; i++) {if (!isNotPrimes[i]) {primes.add(i);for (int j = 2; j * i <= n; j++) {isNotPrimes[j * i] = true;}}}boolean[] wins = new boolean[n + 1];wins[0] = true;wins[1] = true;for (int i = 2; i <= n; i++) {for (int x : primes) {if (x > i) {break;}if (!wins[i - x]) {wins[i] = true;break;}}}if (wins[n]) {System.out.println("Win");} else {System.out.println("Lose");}}}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();}}