結果
問題 | No.1885 Flat Permutation |
ユーザー | 37zigen |
提出日時 | 2022-03-25 22:24:09 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 57 ms / 2,000 ms |
コード長 | 3,378 bytes |
コンパイル時間 | 4,473 ms |
コンパイル使用メモリ | 77,192 KB |
実行使用メモリ | 51,868 KB |
最終ジャッジ日時 | 2024-10-14 06:19:44 |
合計ジャッジ時間 | 6,284 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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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 | 53 ms
50,000 KB |
testcase_01 | AC | 54 ms
49,632 KB |
testcase_02 | AC | 53 ms
49,832 KB |
testcase_03 | AC | 54 ms
50,016 KB |
testcase_04 | AC | 55 ms
49,984 KB |
testcase_05 | AC | 53 ms
49,932 KB |
testcase_06 | AC | 53 ms
49,884 KB |
testcase_07 | AC | 53 ms
49,960 KB |
testcase_08 | AC | 56 ms
49,880 KB |
testcase_09 | AC | 53 ms
49,852 KB |
testcase_10 | AC | 52 ms
50,140 KB |
testcase_11 | AC | 55 ms
49,628 KB |
testcase_12 | AC | 52 ms
49,872 KB |
testcase_13 | AC | 53 ms
51,868 KB |
testcase_14 | AC | 52 ms
49,948 KB |
testcase_15 | AC | 54 ms
49,948 KB |
testcase_16 | AC | 53 ms
49,932 KB |
testcase_17 | AC | 54 ms
49,964 KB |
testcase_18 | AC | 52 ms
49,876 KB |
testcase_19 | AC | 52 ms
49,776 KB |
testcase_20 | AC | 51 ms
49,668 KB |
testcase_21 | AC | 53 ms
49,976 KB |
testcase_22 | AC | 55 ms
49,628 KB |
testcase_23 | AC | 55 ms
50,004 KB |
testcase_24 | AC | 56 ms
50,024 KB |
testcase_25 | AC | 57 ms
50,108 KB |
testcase_26 | AC | 54 ms
49,940 KB |
testcase_27 | AC | 53 ms
49,876 KB |
testcase_28 | AC | 52 ms
49,964 KB |
testcase_29 | AC | 54 ms
49,628 KB |
testcase_30 | AC | 54 ms
49,884 KB |
testcase_31 | AC | 55 ms
49,840 KB |
testcase_32 | AC | 54 ms
49,884 KB |
testcase_33 | AC | 52 ms
49,992 KB |
testcase_34 | AC | 51 ms
49,848 KB |
testcase_35 | AC | 52 ms
49,776 KB |
testcase_36 | AC | 52 ms
49,912 KB |
testcase_37 | AC | 53 ms
49,948 KB |
testcase_38 | AC | 52 ms
49,948 KB |
testcase_39 | AC | 55 ms
49,772 KB |
testcase_40 | AC | 53 ms
49,968 KB |
testcase_41 | AC | 53 ms
49,768 KB |
testcase_42 | AC | 53 ms
50,016 KB |
testcase_43 | AC | 52 ms
49,816 KB |
testcase_44 | AC | 53 ms
49,640 KB |
testcase_45 | AC | 53 ms
49,944 KB |
testcase_46 | AC | 53 ms
49,872 KB |
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; public class Main implements Runnable { public static void main(String[] args) { new Main().run(); } public void run() { solve(); } long[][] mul(long[][] a, long[][] b) { if (a==null) return b; if (b==null) return a; long[][] c=new long[a.length][b[0].length]; for (int i=0;i<a.length;++i) { for (int j=0;j<b[i].length;++j) { for (int k=0;k<a[i].length;++k) { c[i][j]+=a[i][k]*b[k][j]%mod; c[i][j]%=mod; } } } return c; } long[][] pow(long[][] a, long n) { if (n==0) return null; long[][] ret=pow(mul(a, a), n/2); if (n%2==1) ret=mul(ret, a); return ret; } final long mod=998244353; void solve() { FastScanner sc=new FastScanner(); PrintWriter pw=new PrintWriter(System.out); int N=sc.nextInt(); int X=sc.nextInt(); int Y=sc.nextInt(); if (X>Y) { X^=Y;Y^=X;X^=Y; } if (X!=1) { X=X+1; } if (Y!=N) { Y=Y-1; } if (X>Y) { System.out.println(0); return; } N=Y-X+1; long[][] a=new long[][] {{1, 0, 1}, {1, 0, 0}, {0, 1, 0}}; long[][] v=new long[][] {{1},{1},{1}}; a=pow(a, N-1); a=mul(a, v); System.out.println(a[2][0]); 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(); } }