結果
問題 | No.2211 Frequency Table of GCD |
ユーザー |
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提出日時 | 2023-02-14 09:08:01 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 1,003 ms / 2,000 ms |
コード長 | 2,618 bytes |
コンパイル時間 | 3,135 ms |
コンパイル使用メモリ | 92,808 KB |
実行使用メモリ | 49,524 KB |
最終ジャッジ日時 | 2024-07-16 18:29:09 |
合計ジャッジ時間 | 18,479 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 26 |
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 m = sc.nextInt();int[] counts = new int[m + 1];for (int i = 0; i < n; i++) {int x = sc.nextInt();for (int j = 1; j <= Math.sqrt(x); j++) {if (x % j == 0) {counts[j]++;if (j * j < x) {counts[x / j]++;}}}}long[] ans = new long[m + 1];for (int i = 1; i <= m; i++) {ans[i] = pow(2, counts[i]) - 1;}for (int i = m; i >= 1; i--) {for (int j = 2; j * i <= m; j++) {ans[i] += MOD - ans[i * j];ans[i] %= MOD;}}StringBuilder sb = new StringBuilder();for (int i = 1; i <= m; i++) {sb.append(ans[i]).append("\n");}System.out.print(sb);}static long pow(long x, int p) {if (p == 0) {return 1;} else if (p % 2 == 0) {return pow(x * x % MOD, p / 2);} else {return pow(x, p - 1) * x % MOD;}}}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();}}