結果

問題 No.464 PPAP
ユーザー GrenacheGrenache
提出日時 2016-12-15 22:23:43
言語 Java
(openjdk 23)
結果
TLE  
実行時間 -
コード長 5,196 bytes
コンパイル時間 4,151 ms
コンパイル使用メモリ 80,416 KB
実行使用メモリ 199,140 KB
最終ジャッジ日時 2024-11-30 08:41:51
合計ジャッジ時間 18,002 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge3
このコードへのチャレンジ
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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 55 ms
42,456 KB
testcase_01 AC 56 ms
183,916 KB
testcase_02 AC 54 ms
42,428 KB
testcase_03 AC 55 ms
163,248 KB
testcase_04 AC 87 ms
43,488 KB
testcase_05 AC 59 ms
36,980 KB
testcase_06 AC 55 ms
37,024 KB
testcase_07 AC 436 ms
69,932 KB
testcase_08 AC 259 ms
56,668 KB
testcase_09 AC 101 ms
39,536 KB
testcase_10 TLE -
testcase_11 AC 1,169 ms
145,764 KB
testcase_12 TLE -
testcase_13 AC 217 ms
41,264 KB
testcase_14 TLE -
testcase_15 AC 55 ms
37,260 KB
testcase_16 AC 56 ms
37,392 KB
testcase_17 AC 57 ms
37,228 KB
testcase_18 AC 55 ms
37,232 KB
testcase_19 AC 56 ms
36,816 KB
testcase_20 AC 56 ms
37,304 KB
testcase_21 AC 56 ms
37,224 KB
testcase_22 AC 55 ms
37,200 KB
testcase_23 AC 169 ms
40,764 KB
testcase_24 AC 243 ms
41,144 KB
testcase_25 AC 279 ms
199,140 KB
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ソースコード

diff # 

import java.io.*;
import java.util.*;


public class Main_yukicoder464 {

	private static Scanner sc;
	private static Printer pr;

	private static void solve() {
		char[] s = sc.next().toCharArray();
		int n = s.length;

		p = new ArrayList<>();
		rp = new ArrayList<>();
		for (int i = 0; i < n; i++) {
			p.add(new ArrayList<>());
			rp.add(new ArrayList<>());
		}

		for (int i = 0; i < n; i++) {
			List<Integer> alist = p.get(i);
			for (int j = i + 1; j <= n; j++) {
				int m = (j - i) / 2;
				boolean flag = true;
				for (int k = 0; k < m; k++) {
					if (s[i + k] != s[j - 1 - k]) {
						flag = false;
						break;
					}
				}

				if (flag) {
					alist.add(j);
					rp.get(j - 1).add(i);
				}
			}
		}

		pr.println(f(s, 0, n));
	}

	private static List<List<Integer>> p;
	private static List<List<Integer>> rp;

	private static long f(char[] s, int from, int to) {
		List<Integer> alist = p.get(from);

		long ret = 0;
		for (int next : alist) {
			if (next >= to) {
				break;
			}
			ret += f2(s, next, to);
		}

		return ret;
	}

	private static long f2(char[] s, int from, int to) {
		List<Integer> alist = p.get(from);

		long ret = 0;
		for (int next : alist) {
			if (next >= to) {
				break;
			}
			ret += f3(s, next, to);
		}

		return ret;
	}

	private static long f3(char[] s, int from, int to) {
		List<Integer> alist = rp.get(to - 1);

		int ret = Collections.binarySearch(alist, from + 1);
		if (ret < 0) {
			ret = -(ret + 1);
		}

		return alist.size() - ret;
	}

	// ---------------------------------------------------
	public static void main(String[] args) {
		sc = new Scanner(System.in);
		pr = new Printer(System.out);

		solve();

		pr.close();
		sc.close();
	}

	@SuppressWarnings("unused")
	private static class Scanner {
		BufferedReader br;

		Scanner (InputStream in) {
			br = new BufferedReader(new InputStreamReader(in));
		}

		private boolean isPrintable(int ch) {
			return ch >= '!' && ch <= '~';
		}

		private boolean isCRLF(int ch) {
			return ch == '\n' || ch == '\r' || ch == -1;
		}

		private int nextPrintable() {
			try {
				int ch;
				while (!isPrintable(ch = br.read())) {
					if (ch == -1) {
						throw new NoSuchElementException();
					}
				}

				return ch;
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		String next() {
			try {
				int ch = nextPrintable();
				StringBuilder sb = new StringBuilder();
				do {
					sb.appendCodePoint(ch);
				} while (isPrintable(ch = br.read()));

				return sb.toString();
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		int nextInt() {
			try {
				// parseInt from Integer.parseInt()
				boolean negative = false;
				int res = 0;
				int limit = -Integer.MAX_VALUE;
				int radix = 10;

				int fc = nextPrintable();
				if (fc < '0') {
					if (fc == '-') {
						negative = true;
						limit = Integer.MIN_VALUE;
					} else if (fc != '+') {
						throw new NumberFormatException();
					}
					fc = br.read();
				}
				int multmin = limit / radix;

				int ch = fc;
				do {
					int digit = ch - '0';
					if (digit < 0 || digit >= radix) {
						throw new NumberFormatException();
					}
					if (res < multmin) {
						throw new NumberFormatException();
					}
					res *= radix;
					if (res < limit + digit) {
						throw new NumberFormatException();
					}
					res -= digit;

				} while (isPrintable(ch = br.read()));

				return negative ? res : -res;
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		long nextLong() {
			try {
				// parseLong from Long.parseLong()
				boolean negative = false;
				long res = 0;
				long limit = -Long.MAX_VALUE;
				int radix = 10;

				int fc = nextPrintable();
				if (fc < '0') {
					if (fc == '-') {
						negative = true;
						limit = Long.MIN_VALUE;
					} else if (fc != '+') {
						throw new NumberFormatException();
					}
					fc = br.read();
				}
				long multmin = limit / radix;

				int ch = fc;
				do {
					int digit = ch - '0';
					if (digit < 0 || digit >= radix) {
						throw new NumberFormatException();
					}
					if (res < multmin) {
						throw new NumberFormatException();
					}
					res *= radix;
					if (res < limit + digit) {
						throw new NumberFormatException();
					}
					res -= digit;

				} while (isPrintable(ch = br.read()));

				return negative ? res : -res;
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		float nextFloat() {
			return Float.parseFloat(next());
		}

		double nextDouble() {
			return Double.parseDouble(next());
		}

		String nextLine() {
			try {
				int ch;
				while (isCRLF(ch = br.read())) {
					if (ch == -1) {
						throw new NoSuchElementException();
					}
				}
				StringBuilder sb = new StringBuilder();
				do {
					sb.appendCodePoint(ch);
				} while (!isCRLF(ch = br.read()));

				return sb.toString();
			} catch (IOException e) {
				throw new NoSuchElementException();
			}
		}

		void close() {
			try {
				br.close();
			} catch (IOException e) {
//				throw new NoSuchElementException();
			}
		}
	}

	private static class Printer extends PrintWriter {
		Printer(PrintStream out) {
			super(out);
		}
	}
}
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