結果
問題 | No.464 PPAP |
ユーザー | hiro116s |
提出日時 | 2017-02-09 02:11:54 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 330 ms / 2,000 ms |
コード長 | 4,783 bytes |
コンパイル時間 | 3,868 ms |
コンパイル使用メモリ | 76,568 KB |
実行使用メモリ | 77,468 KB |
最終ジャッジ日時 | 2023-08-26 17:46:30 |
合計ジャッジ時間 | 6,672 ms |
ジャッジサーバーID (参考情報) |
judge15 / judge11 |
(要ログイン)
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 | 38 ms
49,448 KB |
testcase_01 | AC | 39 ms
49,836 KB |
testcase_02 | AC | 39 ms
49,352 KB |
testcase_03 | AC | 38 ms
49,328 KB |
testcase_04 | AC | 41 ms
49,572 KB |
testcase_05 | AC | 41 ms
49,364 KB |
testcase_06 | AC | 41 ms
49,560 KB |
testcase_07 | AC | 97 ms
52,620 KB |
testcase_08 | AC | 82 ms
52,096 KB |
testcase_09 | AC | 77 ms
52,272 KB |
testcase_10 | AC | 330 ms
77,468 KB |
testcase_11 | AC | 172 ms
66,036 KB |
testcase_12 | AC | 293 ms
77,220 KB |
testcase_13 | AC | 159 ms
77,000 KB |
testcase_14 | AC | 290 ms
77,272 KB |
testcase_15 | AC | 40 ms
49,352 KB |
testcase_16 | AC | 42 ms
49,432 KB |
testcase_17 | AC | 39 ms
49,520 KB |
testcase_18 | AC | 39 ms
49,408 KB |
testcase_19 | AC | 41 ms
49,528 KB |
testcase_20 | AC | 41 ms
49,508 KB |
testcase_21 | AC | 39 ms
49,352 KB |
testcase_22 | AC | 39 ms
49,616 KB |
testcase_23 | AC | 169 ms
77,296 KB |
testcase_24 | AC | 228 ms
77,072 KB |
testcase_25 | AC | 253 ms
76,916 KB |
ソースコード
import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; import java.util.PriorityQueue; import javax.tools.FileObject; public class Main { InputStream is; int __t__ = 1; int __f__ = 0; int __STACKSIZE_CHANGE_FLAG__ = __f__; int __FILE_DEBUG_FLAG__ = __f__; String __DEBUG_FILE_NAME__ = "src/X1"; FastScanner in; PrintWriter out; public void solve() { String s = in.next(); int N = s.length(); boolean[][] isPalindrome = new boolean[N][N]; for (int i = 0; i < N; i++) { isPalindrome[i][i] = true; if (i < N - 1 && s.charAt(i) == s.charAt(i+1)) isPalindrome[i][i+1] = true; } for (int d = 2; d < N; d++) { for (int l = 0; l < N - d; l++) { int r = l + d; if (s.charAt(l) == s.charAt(r)) isPalindrome[l][r] = isPalindrome[l+1][r-1]; } } long[][] dp = new long[N+1][5]; dp[0][0] = 1; for (int i = 0; i < N; i++) { for (int k = 0; k < 4; k++) { if (dp[i][k] == 0) continue; for (int j = i; j < N; j++) { if (isPalindrome[i][j] || k == 2) dp[j+1][k+1] += dp[i][k]; } } } System.out.println(dp[N][4]); } public void run() { if (__FILE_DEBUG_FLAG__ == __t__) { try { is = new FileInputStream(__DEBUG_FILE_NAME__); } catch (FileNotFoundException e) { e.printStackTrace(); } System.out.println("FILE_INPUT!"); } else { is = System.in; } in = new FastScanner(is); out = new PrintWriter(System.out); if (__STACKSIZE_CHANGE_FLAG__ == __t__) new Thread(null, new Runnable() { @Override public void run() { solve(); } }, "main", 1 << 30).start(); else solve(); } public static void main(String[] args) { new Main().run(); } public void mapDebug(long[][] a) { System.out.println("--------map display---------"); for (int i = 0; i < a.length; i++) { for (int j = 0; j < a[i].length; j++) { System.out.printf("%3d ", a[i][j]); } System.out.println(); } System.out.println("----------------------------"); System.out.println(); } public void debug(Object... obj) { System.out.println(Arrays.deepToString(obj)); } class FastScanner { private InputStream stream; private byte[] buf = new byte[1024]; private int curChar; private int numChars; public FastScanner(InputStream stream) { this.stream = stream; // stream = new FileInputStream(new File("dec.in")); } int read() { if (numChars == -1) throw new InputMismatchException(); if (curChar >= numChars) { curChar = 0; try { numChars = stream.read(buf); } catch (IOException e) { throw new InputMismatchException(); } if (numChars <= 0) return -1; } return buf[curChar++]; } boolean isSpaceChar(int c) { return c == ' ' || c == '\n' || c == '\r' || c == '\t' || c == -1; } boolean isEndline(int c) { return c == '\n' || c == '\r' || c == -1; } int nextInt() { return Integer.parseInt(next()); } int[] nextIntArray(int n) { int[] array = new int[n]; for (int i = 0; i < n; i++) array[i] = nextInt(); return array; } int[][] nextIntMap(int n, int m) { int[][] map = new int[n][m]; for (int i = 0; i < n; i++) { map[i] = in.nextIntArray(m); } return map; } long nextLong() { return Long.parseLong(next()); } long[] nextLongArray(int n) { long[] array = new long[n]; for (int i = 0; i < n; i++) array[i] = nextLong(); return array; } long[][] nextLongMap(int n, int m) { long[][] map = new long[n][m]; for (int i = 0; i < n; i++) { map[i] = in.nextLongArray(m); } return map; } double nextDouble() { return Double.parseDouble(next()); } double[] nextDoubleArray(int n) { double[] array = new double[n]; for (int i = 0; i < n; i++) array[i] = nextDouble(); return array; } double[][] nextDoubleMap(int n, int m) { double[][] map = new double[n][m]; for (int i = 0; i < n; i++) { map[i] = in.nextDoubleArray(m); } return map; } String next() { int c = read(); while (isSpaceChar(c)) c = read(); StringBuilder res = new StringBuilder(); do { res.appendCodePoint(c); c = read(); } while (!isSpaceChar(c)); return res.toString(); } String[] nextStringArray(int n) { String[] array = new String[n]; for (int i = 0; i < n; i++) array[i] = next(); return array; } String nextLine() { int c = read(); while (isEndline(c)) c = read(); StringBuilder res = new StringBuilder(); do { res.appendCodePoint(c); c = read(); } while (!isEndline(c)); return res.toString(); } } }