結果
問題 | No.2237 Xor Sum Hoge |
ユーザー | hiromi_ayase |
提出日時 | 2023-03-04 02:22:08 |
言語 | Java21 (openjdk 21) |
結果 |
TLE
|
実行時間 | - |
コード長 | 4,041 bytes |
コンパイル時間 | 3,036 ms |
コンパイル使用メモリ | 86,284 KB |
実行使用メモリ | 92,580 KB |
最終ジャッジ日時 | 2024-09-18 00:55:06 |
合計ジャッジ時間 | 25,222 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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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 |
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testcase_00 | TLE | - |
testcase_01 | -- | - |
testcase_02 | -- | - |
testcase_03 | -- | - |
testcase_04 | -- | - |
testcase_05 | -- | - |
testcase_06 | -- | - |
testcase_07 | -- | - |
testcase_08 | -- | - |
testcase_09 | -- | - |
testcase_10 | -- | - |
testcase_11 | -- | - |
testcase_12 | -- | - |
testcase_13 | -- | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
testcase_17 | -- | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
testcase_24 | -- | - |
testcase_25 | -- | - |
testcase_26 | -- | - |
testcase_27 | -- | - |
testcase_28 | -- | - |
testcase_29 | -- | - |
testcase_30 | -- | - |
testcase_31 | -- | - |
testcase_32 | -- | - |
testcase_33 | -- | - |
testcase_34 | -- | - |
ソースコード
import java.util.*; @SuppressWarnings("unused") public class Main { private static void solve() { int n = ni(); long b = nl(); long c = nl(); int mod = 998244353; int[][] fif = enumFIF(n, mod); int m = 61; long[][] dp = new long[m + 1][n]; dp[0][0] = 1; for (int i = 0; i < m; i ++) { long s = c >> i & 1; long t = b >> i & 1; for (int j = 0; j < n; j ++) { if ((s + j) % 2 != t) continue; for (int k = (int)s; k <= n; k += 2) { int nex = (j + k) / 2; if (nex >= n) break; dp[i + 1][nex] += dp[i][j] * CX(n, k, mod, fif) % mod; dp[i + 1][nex] %= mod; } } } System.out.println(dp[m][0]); } public static int[][] enumFIF(int n, int mod) { int[] f = new int[n+1]; int[] invf = new int[n+1]; f[0] = 1; for(int i = 1;i <= n;i++){ f[i] = (int)((long)f[i-1] * i % mod); } long a = f[n]; long b = mod; long p = 1, q = 0; while(b > 0){ long c = a / b; long d; d = a; a = b; b = d % b; d = p; p = q; q = d - c * q; } invf[n] = (int)(p < 0 ? p + mod : p); for(int i = n-1;i >= 0;i--){ invf[i] = (int)((long)invf[i+1] * (i+1) % mod); } return new int[][]{f, invf}; } public static long CX(long n, long r, int p, int[][] fif) { if(n < 0 || r < 0 || r > n)return 0; int np = (int)(n%p), rp = (int)(r%p); if(np < rp)return 0; if(n == 0 && r == 0)return 1; int nrp = np-rp; if(nrp < 0)nrp += p; return (long)fif[0][np]*fif[1][rp]%p*fif[1][nrp]%p*CX(n/p, r/p, p, fif)%p; } public static void main(String[] args) { new Thread(null, new Runnable() { @Override public void run() { long start = System.currentTimeMillis(); String debug = args.length > 0 ? args[0] : null; if (debug != null) { try { is = java.nio.file.Files.newInputStream(java.nio.file.Paths.get(debug)); } catch (Exception e) { throw new RuntimeException(e); } } reader = new java.io.BufferedReader(new java.io.InputStreamReader(is), 32768); solve(); out.flush(); tr((System.currentTimeMillis() - start) + "ms"); } }, "", 64000000).start(); } private static java.io.InputStream is = System.in; private static java.io.PrintWriter out = new java.io.PrintWriter(System.out); private static java.util.StringTokenizer tokenizer = null; private static java.io.BufferedReader reader; public static String next() { while (tokenizer == null || !tokenizer.hasMoreTokens()) { try { tokenizer = new java.util.StringTokenizer(reader.readLine()); } catch (Exception e) { throw new RuntimeException(e); } } return tokenizer.nextToken(); } private static double nd() { return Double.parseDouble(next()); } private static long nl() { return Long.parseLong(next()); } private static int[] na(int n) { int[] a = new int[n]; for (int i = 0; i < n; i++) a[i] = ni(); return a; } private static char[] ns() { return next().toCharArray(); } private static long[] nal(int n) { long[] a = new long[n]; for (int i = 0; i < n; i++) a[i] = nl(); return a; } private static int[][] ntable(int n, int m) { int[][] table = new int[n][m]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { table[i][j] = ni(); } } return table; } private static int[][] nlist(int n, int m) { int[][] table = new int[m][n]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { table[j][i] = ni(); } } return table; } private static int ni() { return Integer.parseInt(next()); } private static void tr(Object... o) { if (is != System.in) System.out.println(java.util.Arrays.deepToString(o)); } }