結果
問題 | No.430 文字列検索 |
ユーザー | 37 |
提出日時 | 2016-10-02 22:47:16 |
言語 | Java21 (openjdk 21) |
結果 |
TLE
|
実行時間 | - |
コード長 | 4,439 bytes |
コンパイル時間 | 3,218 ms |
コンパイル使用メモリ | 79,028 KB |
実行使用メモリ | 47,948 KB |
最終ジャッジ日時 | 2024-11-10 00:02:23 |
合計ジャッジ時間 | 6,674 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | 46 ms
42,052 KB |
testcase_01 | TLE | - |
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 | -- | - |
ソースコード
package No400番台; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; public class Q430 { static InputStream is; static PrintWriter out; static String INPUT = ""; public static void main(String[] args) throws Exception { new Q430().run(); } void solver() { char[] s = ns().toCharArray(); int n = s.length; // long[] mod = { 1000000009, 1000000007 }; long[] mod={1000000009}; long b = 29; long[][] hash = new long[mod.length][n]; long[][] pow = new long[mod.length][n]; for (int mode = 0; mode < mod.length; mode++) { for (int i = 0; i < n; i++) { if (i == 0) pow[mode][i] = 1; else { pow[mode][i] = pow[mode][i - 1] * b; if (pow[mode][i] >= mod[mode]) pow[mode][i] %= mod[mode]; } } } for (int mode = 0; mode < mod.length; mode++) { for (int i = n - 1; i >= 0; i--) { hash[mode][i] = (s[i] - 'A') + (i == n - 1 ? 0 : hash[mode][i + 1] * b); if (hash[mode][i] > mod[mode]) hash[mode][i] %= mod[mode]; } } long ans = 0; int m = ni(); for (; m > 0; m--) { char[] c = ns().toCharArray(); long[] hash_c = new long[mod.length]; if (c.length > n) continue; for (int mode = 0; mode < mod.length; mode++) { for (int i = 0; i < c.length; i++) { hash_c[mode] += (c[i] - 'A') * pow[mode][i]; hash_c[mode] %= mod[mode]; } } for (int i = 0; i <= n - c.length; i++) { boolean f = true; for (int mode = 0; mode < mod.length; mode++) { if ((hash[mode][i] - ((n - c.length == i) ? 0 : hash[mode][i + c.length] * pow[mode][c.length]) % mod[mode] + mod[mode]) % mod[mode] != hash_c[mode]) { f = false; break; } } if (f) { ans++; } } } out.println(ans); } void run() { is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes()); out = new PrintWriter(System.out); solver(); out.flush(); } static long nl() { try { long num = 0; boolean minus = false; while ((num = is.read()) != -1 && !((num >= '0' && num <= '9') || num == '-')) ; if (num == '-') { num = 0; minus = true; } else { num -= '0'; } while (true) { int b = is.read(); if (b >= '0' && b <= '9') { num = num * 10 + (b - '0'); } else { return minus ? -num : num; } } } catch (IOException e) { } return -1; } static char nc() { try { int b = skip(); if (b == -1) return 0; return (char) b; } catch (IOException e) { } return 0; } static double nd() { try { return Double.parseDouble(ns()); } catch (Exception e) { } return 0; } static String ns() { try { int b = skip(); StringBuilder sb = new StringBuilder(); if (b == -1) return ""; sb.append((char) b); while (true) { b = is.read(); if (b == -1) return sb.toString(); if (b <= ' ') return sb.toString(); sb.append((char) b); } } catch (IOException e) { } return ""; } public static char[] ns(int n) { char[] buf = new char[n]; try { int b = skip(), p = 0; if (b == -1) return null; buf[p++] = (char) b; while (p < n) { b = is.read(); if (b == -1 || b <= ' ') break; buf[p++] = (char) b; } return Arrays.copyOf(buf, p); } catch (IOException e) { } return null; } public static byte[] nse(int n) { byte[] buf = new byte[n]; try { int b = skip(); if (b == -1) return null; is.read(buf); return buf; } catch (IOException e) { } return null; } static int skip() throws IOException { int b; while ((b = is.read()) != -1 && !(b >= 33 && b <= 126)) ; return b; } static boolean eof() { try { is.mark(1000); int b = skip(); is.reset(); return b == -1; } catch (IOException e) { return true; } } static int ni() { try { int num = 0; boolean minus = false; while ((num = is.read()) != -1 && !((num >= '0' && num <= '9') || num == '-')) ; if (num == '-') { num = 0; minus = true; } else { num -= '0'; } while (true) { int b = is.read(); if (b >= '0' && b <= '9') { num = num * 10 + (b - '0'); } else { return minus ? -num : num; } } } catch (IOException e) { } return -1; } static void tr(Object... o) { System.out.println(Arrays.deepToString(o)); } }