結果
問題 | No.1396 Giri |
ユーザー |
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提出日時 | 2023-07-12 08:57:13 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 119 ms / 2,000 ms |
コード長 | 2,130 bytes |
コンパイル時間 | 2,856 ms |
コンパイル使用メモリ | 87,260 KB |
実行使用メモリ | 56,132 KB |
最終ジャッジ日時 | 2024-09-13 22:53:11 |
合計ジャッジ時間 | 5,837 ms |
ジャッジサーバーID (参考情報) |
judge6 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 23 |
ソースコード
import java.io.*;import java.util.*;import java.util.stream.*;public class Main {static final int MOD = 998244353;public static void main(String[] args) throws Exception {Scanner sc = new Scanner();int n = sc.nextInt();int[] values = new int[n + 1];for (int i = 2; i <= n; i++) {values[i] = i;}int max = 0;for (int i = 2; i <= n; i++) {if (i == values[i]) {max = i;}if (values[i] > 1) {for (int j = 2; j * i <= n; j++) {values[j * i] /= values[i];}}}long ans = 1;for (int i = 2; i <= n; i++) {if (i == max) {continue;}ans *= values[i];ans %= MOD;}System.out.println(ans);}}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();}}