結果
問題 |
No.3172 三角関数べき乗のフーリエ級数展開
|
ユーザー |
|
提出日時 | 2025-05-23 07:02:04 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 273 ms / 2,000 ms |
コード長 | 2,917 bytes |
コンパイル時間 | 6,672 ms |
コンパイル使用メモリ | 84,724 KB |
実行使用メモリ | 56,336 KB |
最終ジャッジ日時 | 2025-05-23 07:02:17 |
合計ジャッジ時間 | 11,369 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 15 |
ソースコード
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.NoSuchElementException; import java.util.Random; public class Main implements Runnable { //Runnableを実装する public static void main(String[] args) { new Thread(null, new Main(), "", 1024 * 1024 * 1024).start(); } final long mod=(long)998244353; int MAX=200010; long[]fac=new long[MAX]; long[]ifac=new long[MAX]; long[]inv=new long[MAX]; { Arrays.fill(fac, 1); Arrays.fill(ifac, 1); Arrays.fill(inv, 1); for(int i=2;i<MAX;++i) { fac[i]=i*fac[i-1]%mod; inv[i]=mod-(mod/i)*inv[(int)(mod%i)]%mod; ifac[i]=inv[i]*ifac[i-1]%mod; } } long comb(int n, int k) { if(k<0||n-k<0)return 0; return fac[n]*ifac[k]%mod*ifac[n-k]%mod; } public void run() { FastScanner sc = new FastScanner(); Random rnd=new Random(); int N=sc.nextInt(); long[]b=new long[N+1]; for(int i=0;i<=N/2;++i) { int k=N-2*i; b[k]=comb(N,i)*(k==0?1:2)%mod; } PrintWriter pw=new PrintWriter(System.out); for(int i=0;i<=N;++i) { pw.print(b[i]+(i==N?"\n":" ")); } pw.close(); } static void tr(Object... objects) { System.out.println(Arrays.deepToString(objects)); } } class FastScanner { private final InputStream in = System.in; private final byte[] buffer = new byte[1024]; private int ptr = 0; private int buflen = 0; private boolean hasNextByte() { if (ptr < buflen) { return true; } else { ptr = 0; try { buflen = in.read(buffer); } catch (IOException e) { e.printStackTrace(); } if (buflen <= 0) { return false; } } return true; } private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1; } private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126; } private void skipUnprintable() { while (hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; } public boolean hasNext() { skipUnprintable(); return hasNextByte(); } public String next() { if (!hasNext()) throw new NoSuchElementException(); StringBuilder sb = new StringBuilder(); int b = readByte(); while (isPrintableChar(b)) { sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } public long nextLong() { if (!hasNext()) throw new NoSuchElementException(); long n = 0; boolean minus = false; int b = readByte(); if (b == '-') { minus = true; b = readByte(); } if (b < '0' || '9' < b) { throw new NumberFormatException(); } while (true) { if ('0' <= b && b <= '9') { n *= 10; n += b - '0'; } else if (b == -1 || !isPrintableChar(b)) { return minus ? -n : n; } else { throw new NumberFormatException(); } b = readByte(); } } public int nextInt() { return (int) nextLong(); } }