結果

問題 No.1341 真ん中を入れ替えて門松列
ユーザー 37zigen37zigen
提出日時 2019-12-15 17:36:14
言語 Java21
(openjdk 21)
結果
AC  
実行時間 419 ms / 2,000 ms
コード長 6,403 bytes
コンパイル時間 2,308 ms
コンパイル使用メモリ 82,080 KB
実行使用メモリ 50,776 KB
最終ジャッジ日時 2024-09-21 11:57:22
合計ジャッジ時間 7,118 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge4
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 48 ms
37,484 KB
testcase_01 AC 47 ms
37,272 KB
testcase_02 AC 48 ms
36,844 KB
testcase_03 AC 48 ms
37,488 KB
testcase_04 AC 48 ms
36,804 KB
testcase_05 AC 48 ms
37,428 KB
testcase_06 AC 100 ms
40,524 KB
testcase_07 AC 71 ms
37,976 KB
testcase_08 AC 88 ms
39,060 KB
testcase_09 AC 88 ms
39,684 KB
testcase_10 AC 368 ms
49,004 KB
testcase_11 AC 380 ms
50,572 KB
testcase_12 AC 372 ms
48,760 KB
testcase_13 AC 387 ms
49,452 KB
testcase_14 AC 414 ms
50,376 KB
testcase_15 AC 419 ms
49,272 KB
testcase_16 AC 386 ms
50,776 KB
testcase_17 AC 405 ms
49,268 KB
testcase_18 AC 176 ms
45,504 KB
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ソースコード

diff # 

// unproved N log^2 N

import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import java.util.Comparator;
import java.util.NoSuchElementException;
import java.util.PriorityQueue;

class Main {
	public static void main(String[] args) {
		long curtime = System.currentTimeMillis();
		new Main().run();
		System.err.println(System.currentTimeMillis() - curtime);
	}

	void run() {
		Scanner sc = new Scanner();
		int N = sc.nextInt();
		long M = sc.nextLong();
		long[][] A = new long[N][2];
		long[] C = new long[N];
		for (int i = 0; i < N; ++i) {
			A[i][0] = sc.nextInt();
			C[i] = sc.nextInt();
			A[i][1] = sc.nextInt();
		}
		String[] ret = solve(N, M, A, C);
		for (String s : ret) {
			System.out.println(s);
		}
	}

	long check(long middle, int N, long M, long[][] A, long[] C, boolean center) {
		for (int i = 0; i < N; ++i) {
			long l = binarySearchLeft(A[i][0], C);
			long r = binarySearchRight(A[i][1], C);
			if (!center) {
				l = Math.min(l, middle);
				r = Math.max(r, middle + 1);
			}
			A[i] = new long[] { l, r, A[i][0], A[i][1] };
		}
		Arrays.sort(A, new Comparator<long[]>() {
			@Override
			public int compare(long[] o1, long[] o2) {
				return Long.compare(o1[0], o2[0]);
			}
		});
		PriorityQueue<long[]> pq = new PriorityQueue<>(new Comparator<long[]>() {
			@Override
			public int compare(long[] o1, long[] o2) {
				if (o1[0] != o2[0])
					return Long.compare(o1[0], o2[0]);
				else
					return Long.compare(o1[2], o2[2]);
			}
		});
		int p = 0, maxsz = 0;
		long ans = 0;
		Arrays.fill(need, 0);
		Arrays.fill(sz, 0);
		for (int i = -1; i <= N; ++i) {
			while (p < A.length && A[p][0] <= i) {
				pq.add(new long[] { A[p][1], A[p][2], A[p][3] });
				++p;
				maxsz = Math.max(maxsz, pq.size());
			}
			while (pq.size() > i + 1) {
				long[] v = pq.poll();
				if (v[0] >= N) {
					return -1;
				}
				need[(int) v[0]]--;
			}
			if (0 <= i && i < sz.length)
				sz[i] = pq.size();
		}
		for (int i = 1; i < N; ++i) {
			need[i] = need[i - 1] + need[i];
		}
		boolean ok = true;
		int pnd = 0, cur = 0;
		for (int i = 0; i < N; ++i) {
			pnd += Math.abs(need[i]);
			if (pnd > 0) {
				++cur;
				--pnd;
			}
			need[i] = (i + 1) - cur;
		}
		int max = 0;
		for (int i = N - 1; i >= 0; --i) {
			max = Math.max(max, sz[i]);
			ok &= max >= need[i];
		}
		if (!ok)
			return -1;
		for (int i = N - 1; i >= pq.size(); --i) {
			ans += C[i];
		}
		if (center)
			return pq.size();
		while (!pq.isEmpty()) {
			ans += pq.poll()[2];
		}
		return ans;
	}

	long[][] copy(long[][] A) {
		long[][] Acopy = new long[A.length][A[0].length];
		for (int j = 0; j < A.length; ++j)
			Acopy[j] = Arrays.copyOf(A[j], A[j].length);
		return Acopy;
	}

	int[] need;
	int[] sz;

	String[] solve(int N, long M, long[][] A, long[] C) {
		need = new int[N];
		sz = new int[N];
		for (int i = 0; i < A.length; ++i)
			Arrays.sort(A[i]);
		Arrays.sort(C);
		long ret = -1;
		long center = check(-1, N, M, copy(A), C, true);
		if (center == -1)
			return new String[] { "NO" };
		long left, right;
		if (check(-1, N, M, copy(A), C, false) > 0) {
			left = -1;
		} else {
			long lng = -1;
			left = center;
			while (left - lng > 1) {
				long middle = (left + lng) / 2;
				if (check(middle, N, M, copy(A), C, false) > 0) {
					left = middle;
				} else {
					lng = middle;
				}
			}
		}

		if (check(N, N, M, copy(A), C, false) > 0) {
			right = N;
		} else {
			long rng = N;
			right = center;
			while (rng - right > 1) {
				long middle = (rng + right) / 2;
				if (check(middle, N, M, copy(A), C, false) > 0) {
					right = middle;
				} else {
					rng = middle;
				}
			}
		}
		while (right - left > 2) {
			long lm = (right + 2 * left) / 3;// l+(r-l)/3=(r+2l)/3
			long rm = (2 * right + left) / 3;
			long lmv = check(lm, N, M, copy(A), C, false);
			long rmv = check(rm, N, M, copy(A), C, false);
			if (lmv > rmv)
				right = rm;
			else
				left = lm;
			ret = Math.max(ret, lmv);
			ret = Math.max(ret, rmv);
		}
		for (long i = left; i <= right; ++i)
			ret = Math.max(ret, check(i, N, M, copy(A), C, false));
		if (ret >= M)
			return new String[] { "YES", "KADOMATSU!" };
		else if (ret > 0) {
			return new String[] { "YES", "NO" };
		} else {
			return new String[] { "NO" };
		}
	}

	int binarySearchRight(long key, long[] a) {
		int ok = a.length;
		int ng = -1;
		while (ok - ng > 1) {
			int middle = (ok + ng) / 2;
			if (a[middle] > key) {
				ok = middle;
			} else {
				ng = middle;
			}
		}
		return ok;
	}

	int binarySearchLeft(long key, long[] a) {
		int ok = -1;
		int ng = a.length;
		while (ng - ok > 1) {
			int middle = (ok + ng) / 2;
			if (a[middle] < key) {
				ok = middle;
			} else {
				ng = middle;
			}
		}
		return ok;
	}

	void tr(Object... objects) {
		System.out.println(Arrays.deepToString(objects));
	}

}

class Scanner {
	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;
	}

	private void skipUnprintable() {
		while (hasNextByte() && !isPrintableChar(buffer[ptr]))
			ptr++;
	}

	public boolean hasNext() {
		skipUnprintable();
		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 int nextInt() {
		return (int) nextLong();
	}

	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();
		}
	}
}
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