結果
問題 | No.695 square1001 and Permutation 4 |
ユーザー | 37zigen |
提出日時 | 2020-05-11 18:11:33 |
言語 | Java21 (openjdk 21) |
結果 |
MLE
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 3,707 bytes |
コンパイル時間 | 2,338 ms |
コンパイル使用メモリ | 77,896 KB |
実行使用メモリ | 93,548 KB |
最終ジャッジ日時 | 2024-07-22 19:38:38 |
合計ジャッジ時間 | 14,195 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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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
36,652 KB |
testcase_01 | AC | 193 ms
40,548 KB |
testcase_02 | AC | 219 ms
48,948 KB |
testcase_03 | AC | 203 ms
49,092 KB |
testcase_04 | AC | 452 ms
49,228 KB |
testcase_05 | AC | 488 ms
49,080 KB |
testcase_06 | AC | 792 ms
58,820 KB |
testcase_07 | MLE | - |
testcase_08 | AC | 929 ms
58,932 KB |
testcase_09 | AC | 1,170 ms
58,792 KB |
testcase_10 | AC | 255 ms
42,372 KB |
testcase_11 | MLE | - |
testcase_12 | MLE | - |
testcase_13 | MLE | - |
ソースコード
import java.io.IOException; import java.io.InputStream; import java.util.Arrays; import java.util.NoSuchElementException; import java.util.Scanner; public class Main { public static void main(String[] args) { new Main().run(); } static void run() { FastScanner sc = new FastScanner(); int n = sc.nextInt(); int m = sc.nextInt(); int[] x = new int[m]; for (int i = 0; i < m; ++i) x[i] = sc.nextInt(); dp = new int[(n + 1) / 2]; long mo1 = 17 * 9920467; long mo2 = 592951213; long mo3 = mo1 * mo2; long ans1 = solve(mo1, n, m, x); long ans2 = solve(mo2, n, m, x); long f1 = ans1 % mo1 * inv(mo2, mo1) % mo1 * mo2 % mo3; long f2 = inv(mo1, mo2) % mo2 * (ans2 % mo2 - f1 % mo2 + mo2) % mo2 * mo1 % mo3; System.out.println((f1 + f2) % mo3); } static long inv(long a, long mo) { a %= mo; long u=0,v=1,s=mo,t=a; while (t!=0) { long q=s/t; u-=v*q; s-=t*q; s^=t;t^=s;s^=t; u^=v;v^=u;u^=v; } if (u<0) u+=mo; return u; } static int[] dp; static long solve(long mo, int n, int m, int[] x) { Arrays.fill(dp, 0); dp[0] = 1; for (int i = 0; i < dp.length; ++i) { for (int j = 0; j < x.length; ++j) { if (i + x[j] >= dp.length) continue; dp[i + x[j]] = (int) ((dp[i + x[j]] + dp[i]) % mo); } } long ret = 0; for (int i = 0; i < dp.length; ++i) { for (int j = 0; j < m; ++j) { if (x[j] + i < dp.length || (n - 1) - x[j] - i < 0) continue; ret = (ret + (long) dp[(n - 1) - x[j] - i] * dp[i] % mo) % mo; } } return ret; } 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;} public boolean hasNext() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; 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() { long nl = nextLong(); if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException(); return (int) nl; } public double nextDouble() { return Double.parseDouble(next());} }