#807101 (Java21) No.2102 [Cherry Alpha *] Conditional Reflection

提出ソース

結果

問題	No.2102 [Cherry Alpha *] Conditional Reflection
ユーザー	CuriousFairy315
提出日時	2022-10-14 22:18:00
言語	Java21 (openjdk 21)
結果	AC
実行時間	1,069 ms / 3,000 ms
コード長	11,186 bytes
コンパイル時間	3,072 ms
コンパイル使用メモリ	88,796 KB
実行使用メモリ	66,836 KB
最終ジャッジ日時	2024-06-26 15:17:30
合計ジャッジ時間	47,334 ms
ジャッジサーバーID （参考情報）	judge5 / judge2

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 36,988 KB
testcase_01	AC	55 ms 37,072 KB
testcase_02	AC	534 ms 56,344 KB
testcase_03	AC	646 ms 55,168 KB
testcase_04	AC	563 ms 52,992 KB
testcase_05	AC	422 ms 49,852 KB
testcase_06	AC	556 ms 52,552 KB
testcase_07	AC	490 ms 54,400 KB
testcase_08	AC	275 ms 44,444 KB
testcase_09	AC	571 ms 59,752 KB
testcase_10	AC	347 ms 48,108 KB
testcase_11	AC	313 ms 47,172 KB
testcase_12	AC	447 ms 54,800 KB
testcase_13	AC	651 ms 60,256 KB
testcase_14	AC	483 ms 51,412 KB
testcase_15	AC	613 ms 52,984 KB
testcase_16	AC	772 ms 63,852 KB
testcase_17	AC	386 ms 53,896 KB
testcase_18	AC	554 ms 56,232 KB
testcase_19	AC	384 ms 50,928 KB
testcase_20	AC	742 ms 60,900 KB
testcase_21	AC	332 ms 45,936 KB
testcase_22	AC	825 ms 65,264 KB
testcase_23	AC	834 ms 60,728 KB
testcase_24	AC	859 ms 60,356 KB
testcase_25	AC	859 ms 65,876 KB
testcase_26	AC	844 ms 60,372 KB
testcase_27	AC	868 ms 65,112 KB
testcase_28	AC	871 ms 59,968 KB
testcase_29	AC	1,069 ms 60,564 KB
testcase_30	AC	838 ms 66,096 KB
testcase_31	AC	817 ms 60,384 KB
testcase_32	AC	854 ms 60,396 KB
testcase_33	AC	850 ms 65,728 KB
testcase_34	AC	869 ms 59,948 KB
testcase_35	AC	847 ms 62,096 KB
testcase_36	AC	862 ms 60,512 KB
testcase_37	AC	952 ms 60,428 KB
testcase_38	AC	810 ms 60,308 KB
testcase_39	AC	869 ms 65,576 KB
testcase_40	AC	825 ms 65,616 KB
testcase_41	AC	930 ms 65,708 KB
testcase_42	AC	626 ms 58,720 KB
testcase_43	AC	608 ms 59,324 KB
testcase_44	AC	614 ms 58,832 KB
testcase_45	AC	621 ms 59,240 KB
testcase_46	AC	632 ms 58,952 KB
testcase_47	AC	537 ms 55,652 KB
testcase_48	AC	504 ms 55,544 KB
testcase_49	AC	510 ms 55,392 KB
testcase_50	AC	521 ms 55,748 KB
testcase_51	AC	502 ms 55,652 KB
testcase_52	AC	223 ms 61,584 KB
testcase_53	AC	222 ms 61,420 KB
testcase_54	AC	222 ms 61,216 KB
testcase_55	AC	348 ms 47,764 KB
testcase_56	AC	359 ms 47,612 KB
testcase_57	AC	350 ms 47,608 KB
testcase_58	AC	292 ms 53,496 KB
testcase_59	AC	855 ms 66,836 KB
testcase_60	AC	282 ms 44,020 KB
testcase_61	AC	350 ms 47,552 KB
testcase_62	AC	153 ms 42,048 KB
testcase_63	AC	412 ms 51,076 KB
testcase_64	AC	407 ms 51,240 KB
testcase_65	AC	415 ms 49,544 KB
testcase_66	AC	360 ms 47,792 KB
testcase_67	AC	424 ms 47,908 KB
testcase_68	AC	301 ms 47,036 KB
testcase_69	AC	420 ms 48,556 KB

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ソースコード

raw source code

import java.util.HashSet;

public class Main {

	public static void main(String[] args) {
		new Main();
	}

	public Main() {
		FastScanner fs = new FastScanner();
		java.io.PrintWriter out = new java.io.PrintWriter(System.out);
		solve(fs, out);
		out.flush();
	}

	public void solve(FastScanner fs, java.io.PrintWriter out) {
		int N = fs.nextInt();
		HashSet<Long> hash = new HashSet<>();
		for (int i = 0;i < N;++ i) {
			char[] S = fs.next().toCharArray();
			RollingHash rh = new RollingHash(S);
			long self = rh.hash();
			boolean ans = !hash.add(self);
			for (int j = 1;j < S.length;++ j) {
				long h = rh.hash(0, j - 1);
				h = RollingHash.mul(h, RollingHash.base);
				h = RollingHash.mul(h + S[j], RollingHash.base);
				h = RollingHash.mul(h + S[j - 1], rh.pow[S.length - j - 1]);
				h = RollingHash.mod(h + rh.hash(j + 1, S.length));
				ans |= h != self && hash.contains(h);
			}
			out.println(ans ? "Yes" : "No");
		}
	}

	public static class RollingHash {
		private final long[] hash;
		private final long[] pow;

		public static final long MOD = (1L << 61) - 1;
		private static final long MASK0 = (1L << 30) - 1;
		private static final long MASK1 = (1L << 31) - 1;
		private static long base = -1;
		private RollingHash(final char[] s) {
			this(s, base == -1 ? base() : base);
		}
		private RollingHash(final char[] s, final long base) {
			RollingHash.base = base;
			hash = new long[s.length + 1];
			pow = new long[s.length + 1];
			pow[0] = 1;
			for (int i = 0;i < s.length;++ i) {
				hash[i + 1] = mod(mul(hash[i], base) + s[i]);
				pow[i + 1] = mul(pow[i], base);
			}
		}
		long hash() {
			return hash[hash.length - 1];
		}
		long hash(final int l, final int r) {
			return mod(hash[r] - mul(hash[l], pow[r - l]) + MOD);
		}

		private static long mul(final long a, final long b) {
			final long au = a >>> 31;
			final long ad = a & MASK1;
			final long bu = b >>> 31;
			final long bd = b & MASK1;
			final long mid = ad * bu + au * bd;
			final long midu = mid >>> 30;
			final long midd = mid & MASK0;
			return mod((au * bu << 1) + midu + (midd << 31) + ad * bd);
		}

		private static long mod(final long x) {
			final long xu = x >>> 61;
			final long xd = x & MOD;
			long res = xu + xd;
			if (res >= MOD) res -= MOD;
			return res;
		}

		public static long base() {
			return base(new java.util.Random());
		}

		public static long base(final java.util.Random rnd) {
			while(true) {
				long e = mod(rnd.nextLong());
				if (gcd(e, MOD - 1) == 1) {
					long ans = 1;
					for (long mul = 37; e > 0; e >>= 1, mul = mul(mul, mul))
						if ((e & 1) != 0) ans = mul(ans, mul);
					return ans;
				}
			}
		}
		private static long gcd(long a, long b) {
			while (a != 0)
				if ((b %= a) != 0) a %= b;
				else return a;
			return b;
		}
	}

	final int MOD = 998_244_353;
	int plus(int n, int m) {
		int sum = n + m;
		if (sum >= MOD) sum -= MOD;
		return sum;
	}
	int minus(int n, int m) {
		int sum = n - m;
		if (sum < 0) sum += MOD;
		return sum;
	}
	int times(int n, int m) {
		return (int)((long)n * m % MOD);
	}
	int divide(int n, int m) {
		return times(n, IntMath.pow(m, MOD - 2, MOD));
	}
	int[] fact, invf;
	void calc(int len) {
		len += 2;
		fact = new int[len];
		invf = new int[len];
		fact[0] = fact[1] = invf[0] = invf[1] = 1;
		for (int i = 2;i < fact.length;++ i) fact[i] = times(fact[i - 1], i);
		invf[len - 1] = divide(1, fact[len - 1]);
		for (int i = len - 1;i > 1;-- i) invf[i - 1] = times(i, invf[i]);
	}
	int comb(int n, int m) {
		if (n < m) return 0;
		return times(fact[n], times(invf[n - m], invf[m]));
	}
}

class FastScanner {

	private final java.io.InputStream in = System.in;
	private final byte[] buffer = new byte[8192];
	private int ptr = 0;
	private int buflen = 0;

	private boolean hasNextByte() {
		if (ptr < buflen) return true;
		ptr = 0;
		try {
			buflen = in.read(buffer);
		} catch (java.io.IOException e) {
			e.printStackTrace();
		}
		return buflen > 0;
	}

	private byte readByte() {
		return hasNextByte() ? buffer[ptr++ ] : -1;
	}

	private static boolean isPrintableChar(byte c) {
		return 32 < c || c < 0;
	}

	private static boolean isNumber(int c) {
		return '0' <= c && c <= '9';
	}

	public boolean hasNext() {
		while (hasNextByte() && !isPrintableChar(buffer[ptr]))
			ptr++ ;
		return hasNextByte();
	}

	public String next() {
		if (!hasNext()) throw new java.util.NoSuchElementException();
		StringBuilder sb = new StringBuilder();
		byte b;
		while (isPrintableChar(b = readByte()))
			sb.appendCodePoint(b);
		return sb.toString();
	}

	public final char nextChar() {
		if (!hasNext()) throw new java.util.NoSuchElementException();
		return (char)readByte();
	}

	public final long nextLong() {
		if (!hasNext()) throw new java.util.NoSuchElementException();
		long n = 0;
		try {
			byte b = readByte();
			if (b == '-') {
				while (isNumber(b = readByte()))
					n = n * 10 + '0' - b;
				return n;
			} else if (!isNumber(b)) throw new NumberFormatException();
			do
				n = n * 10 + b - '0';
			while (isNumber(b = readByte()));
		} catch (java.util.NoSuchElementException e) {}
		return n;
	}

	public final int nextInt() {
		if (!hasNext()) throw new java.util.NoSuchElementException();
		int n = 0;
		try {
			byte b = readByte();
			if (b == '-') {
				while (isNumber(b = readByte()))
					n = n * 10 + '0' - b;
				return n;
			} else if (!isNumber(b)) throw new NumberFormatException();
			do
				n = n * 10 + b - '0';
			while (isNumber(b = readByte()));
		} catch (java.util.NoSuchElementException e) {}
		return n;
	}

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

class Arrays {

	public static void sort(final int[] array) {
		sort(array, 0, array.length);
	}

	public static void sort(final int[] array, int fromIndex, int toIndex) {
		if (toIndex - fromIndex  <= 512) {
			java.util.Arrays.sort(array, fromIndex, toIndex);
			return;
		}
		sort(array, fromIndex, toIndex, 0, new int[array.length]);
	}

	private static final void sort(int[] a, final int from, final int to, final int l, final int[] bucket) {
		if (to - from  <= 512) {
			java.util.Arrays.sort(a, from, to);
			return;
		}
		final int BUCKET_SIZE = 256;
		final int INT_RECURSION = 4;
		final int MASK = 0xff;
		final int shift = l << 3;
		final int[] cnt = new int[BUCKET_SIZE + 1];
		final int[] put = new int[BUCKET_SIZE];
		for (int i = from; i < to; i++) ++ cnt[(a[i] >>> shift & MASK) + 1];
		for (int i = 0; i < BUCKET_SIZE; i++) cnt[i + 1] += cnt[i];
		for (int i = from; i < to; i++) {
			int bi = a[i] >>> shift & MASK;
			bucket[cnt[bi] + put[bi]++] = a[i];
		}
		for (int i = BUCKET_SIZE - 1, idx = from; i >= 0; i--) {
			int begin = cnt[i];
			int len = cnt[i + 1] - begin;
			System.arraycopy(bucket, begin, a, idx, len);
			idx += len;
	    }
		final int nxtL = l + 1;
		if (nxtL < INT_RECURSION) {
			sort(a, from, to, nxtL, bucket);
			if (l == 0) {
				int lft, rgt;
				lft = from - 1; rgt = to;
				while (rgt - lft > 1) {
					int mid = lft + rgt >> 1;
					if (a[mid] < 0) lft = mid;
					else rgt = mid;
				}
				reverse(a, from, rgt);
				reverse(a, rgt, to);
	        }
	    }
	}

	public static void sort(final long[] array) {
		sort(array, 0, array.length);
	}

	public static void sort(final long[] array, int fromIndex, int toIndex) {
		if (toIndex - fromIndex  <= 512) {
			java.util.Arrays.sort(array, fromIndex, toIndex);
			return;
		}
		sort(array, fromIndex, toIndex, 0, new long[array.length]);
	}

	private static final void sort(long[] a, final int from, final int to, final int l, final long[] bucket) {
		final int BUCKET_SIZE = 256;
		final int LONG_RECURSION = 8;
		final int MASK = 0xff;
		final int shift = l << 3;
		final int[] cnt = new int[BUCKET_SIZE + 1];
		final int[] put = new int[BUCKET_SIZE];
		for (int i = from; i < to; i++) ++ cnt[(int) ((a[i] >>> shift & MASK) + 1)];
		for (int i = 0; i < BUCKET_SIZE; i++) cnt[i + 1] += cnt[i];
		for (int i = from; i < to; i++) {
			int bi = (int) (a[i] >>> shift & MASK);
			bucket[cnt[bi] + put[bi]++] = a[i];
		}
		for (int i = BUCKET_SIZE - 1, idx = from; i >= 0; i--) {
			int begin = cnt[i];
			int len = cnt[i + 1] - begin;
			System.arraycopy(bucket, begin, a, idx, len);
			idx += len;
	    }
		final int nxtL = l + 1;
		if (nxtL < LONG_RECURSION) {
			sort(a, from, to, nxtL, bucket);
			if (l == 0) {
				int lft, rgt;
				lft = from - 1; rgt = to;
				while (rgt - lft > 1) {
					int mid = lft + rgt >> 1;
					if (a[mid] < 0) lft = mid;
					else rgt = mid;
				}
				reverse(a, from, rgt);
				reverse(a, rgt, to);
	        }
	    }
	}

	public static void reverse(int[] array) {
		reverse(array, 0, array.length);
	}

	public static void reverse(int[] array, int fromIndex, int toIndex) {
		for (-- toIndex;fromIndex < toIndex;++ fromIndex, -- toIndex) {
			int swap = array[fromIndex];
			array[fromIndex] = array[toIndex];
			array[toIndex] = swap;
		}
	}

	public static void reverse(long[] array) {
		reverse(array, 0, array.length);
	}

	public static void reverse(long[] array, int fromIndex, int toIndex) {
		for (-- toIndex;fromIndex < toIndex;++ fromIndex, -- toIndex) {
			long swap = array[fromIndex];
			array[fromIndex] = array[toIndex];
			array[toIndex] = swap;
		}
	}

	public static void shuffle(int[] array) {
		java.util.Random rnd = new java.util.Random();
		for (int i = 0;i < array.length;++ i) {
			int j = rnd.nextInt(array.length - i) + i;
			int swap = array[i];
			array[i] = array[j];
			array[j] = swap;
		}
	}

	public static void shuffle(long[] array) {
		java.util.Random rnd = new java.util.Random();
		for (int i = 0;i < array.length;++ i) {
			int j = rnd.nextInt(array.length - i) + i;
			long swap = array[i];
			array[i] = array[j];
			array[j] = swap;
		}
	}
}

class IntMath {

	public static int gcd(int a, int b) {
		while (a != 0)
			if ((b %= a) != 0) a %= b;
			else return a;
		return b;
	}

	public static int gcd(int... array) {
		int ret = array[0];
		for (int i = 1; i < array.length; ++i)
			ret = gcd(ret, array[i]);
		return ret;
	}

	public static long gcd(long a, long b) {
		while (a != 0)
			if ((b %= a) != 0) a %= b;
			else return a;
		return b;
	}

	public static long gcd(long... array) {
		long ret = array[0];
		for (int i = 1; i < array.length; ++i)
			ret = gcd(ret, array[i]);
		return ret;
	}

	public static long lcm(long a, long b) {
		return a / gcd(a, b) * b;
	}

	public static int pow(int a, int b) {
		int ans = 1;
		for (int mul = a; b > 0; b >>= 1, mul *= mul)
			if ((b & 1) != 0) ans *= mul;
		return ans;
	}

	public static long pow(long a, long b) {
		long ans = 1;
		for (long mul = a; b > 0; b >>= 1, mul *= mul)
			if ((b & 1) != 0) ans *= mul;
		return ans;
	}

	public static int pow(int a, long b, int mod) {
		if (b < 0) b = b % (mod - 1) + mod - 1;
		long ans = 1;
		for (long mul = a; b > 0; b >>= 1, mul = mul * mul % mod)
			if ((b & 1) != 0) ans = ans * mul % mod;
		return (int)ans;
	}

	public static int pow(long a, long b, int mod) {
		return pow((int)(a % mod), b, mod);
	}

	public static int floorsqrt(long n) {
		return (int)Math.sqrt(n + 0.1);
	}

	public static int ceilsqrt(long n) {
		return n <= 1 ? (int)n : (int)Math.sqrt(n - 0.1) + 1;
	}
}

yukicoder

結果

テストケース

ソースコード