#723116 (Java21) No.1768 The frog in the well knows the great ocean.

提出ソース

結果

問題	No.1768 The frog in the well knows the great ocean.
ユーザー	cyclerecycle9
提出日時	2021-12-09 06:25:27
言語	Java21 (openjdk 21)
結果	WA
実行時間	-
コード長	5,930 bytes
コンパイル時間	2,657 ms
コンパイル使用メモリ	80,368 KB
実行使用メモリ	114,560 KB
最終ジャッジ日時	2023-09-23 17:03:24
合計ジャッジ時間	11,992 ms
ジャッジサーバーID （参考情報）	judge13 / judge11

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	42 ms 49,416 KB
testcase_01	WA	-
testcase_02	WA	-
testcase_03	AC	91 ms 53,600 KB
testcase_04	WA	-
testcase_05	WA	-
testcase_06	AC	353 ms 68,844 KB
testcase_07	AC	348 ms 83,772 KB
testcase_08	AC	322 ms 77,432 KB
testcase_09	AC	327 ms 76,564 KB
testcase_10	WA	-
testcase_11	AC	389 ms 85,396 KB
testcase_12	AC	369 ms 85,072 KB
testcase_13	AC	379 ms 85,624 KB
testcase_14	AC	350 ms 84,492 KB
testcase_15	AC	370 ms 84,660 KB
testcase_16	AC	432 ms 114,560 KB
testcase_17	AC	405 ms 112,724 KB
testcase_18	AC	446 ms 113,336 KB
testcase_19	AC	385 ms 111,964 KB
testcase_20	AC	373 ms 110,756 KB
testcase_21	AC	43 ms 49,304 KB
testcase_22	AC	43 ms 49,520 KB
testcase_23	WA	-
testcase_24	WA	-
testcase_25	AC	375 ms 112,492 KB
testcase_26	AC	315 ms 111,792 KB
testcase_27	WA	-

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ソースコード

raw source code

import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.util.*;
import java.util.concurrent.locks.ReentrantReadWriteLock.WriteLock;
import java.beans.Visibility;
import java.io.File;
import java.io.FileDescriptor;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.io.UncheckedIOException;
import java.lang.Thread.State;
import java.lang.reflect.Field;
import java.nio.CharBuffer;
import java.nio.charset.CharacterCodingException;
import java.nio.charset.CharsetEncoder;
import java.nio.charset.StandardCharsets;

public class Main {
	static final long MOD1=1000000007;
	static final long MOD=998244353;
	static long ans=0;
	public static void main(String[] args){
		PrintWriter out = new PrintWriter(System.out);
		InputReader sc=new InputReader(System.in);
		int t = sc.nextInt();
		for (int i = 0; i < t; i++) {
			int n = sc.nextInt();
			int[] a = sc.nextIntArray(n);
			int[] b = sc.nextIntArray(n);
			if (solve(n, a, b)) {
				out.println("Yes");
			}else {
				out.println("No");
			}
		}
		out.flush();
   	}
	static boolean solve(int n,int[] a,int[] b) {
		RMaxQ_SparseTable tb = new RMaxQ_SparseTable(a);
		TreeSet<Integer>[] sets = new TreeSet[n+1];
		for (int i = 0; i < sets.length; i++) {
			sets[i] = new TreeSet<>();
		}
		for (int i = 0; i < n; i++) {
			sets[a[i]].add(i);
		}
		for (int l = 0; l < n;){
			int r = l;
			while (true){
				if(r+1>=n)break;
				if(b[l]!=b[r+1])break;
				r++;
			}
			int m = tb.query2(l, r);
			if(m>b[l])return false;
			if (m<b[l]){
				Integer rr = sets[b[l]].higher(r);
				Integer ll = sets[b[l]].lower(l);
				boolean f_r = false;
				boolean f_l = false;
				if (rr!=null) {
					int m_r = tb.query2(r, rr);
					if(m_r==b[l]) {
						f_r = true;
					}
				}
				if (ll!=null) {
					int m_l = tb.query2(ll, l);
					if(m_l==b[l])f_l = true; 
				}
				if (!(f_l|f_r)){
					return false;
				}
			}
			l = r+1;
		}
		return true;
	}
	static class RMaxQ_SparseTable {
		int[] A;
		int[] log_table;
		int[][] table;
		int N;
		public RMaxQ_SparseTable(int[] A) {
			N = A.length;
			this.A = Arrays.copyOf(A, N);
			log_table = new int[N + 1];
			for(int i = 2;i < N + 1;i++){
				log_table[i] = log_table[i >> 1] + 1;
			}
			table = new int[N][log_table[N] + 1];
			for (int i = 0; i < N; i++) {
				table[i][0] = i;
			}
			for (int k = 1;(1 << k) <= N; k++) {
				for (int i = 0; i + (1 << k)<=  N; i++) {
					int first = table[i][k - 1];//前部分
					int second = table[i + (1 << (k - 1))][k - 1];
					if (A[first] > A[second]) {
						table[i][k] = first;
					} else {
						table[i][k] = second;
					}

				}
			}
		}
		public int query(int s, int t) {//A[s:t]の最大値のindexを返す
			int d = t - s + 1;
			int k = log_table[d];
			if (A[table[s][k]] > A[table[t - (1 << k) + 1][k]]) {
				return table[s][k];
			} else {
				return table[t - (1 << k) + 1][k];
			}
		}
		public int query2(int s, int t) {//A[s:t]の最大値を返す
				int d = t - s + 1;
				int k = log_table[d];
				if (A[table[s][k]] > A[table[t - (1 << k) + 1][k]]) {
					return A[table[s][k]];
				} else {
					return A[table[t - (1 << k) + 1][k]];
				}
			}
	}

	static class InputReader { 
		private InputStream in;
		private byte[] buffer = new byte[1024];
		private int curbuf;
		private int lenbuf;
		public InputReader(InputStream in) {
			this.in = in;
			this.curbuf = this.lenbuf = 0;
		}
		public boolean hasNextByte() {
			if (curbuf >= lenbuf) {
				curbuf = 0;
				try {
					lenbuf = in.read(buffer);
				} catch (IOException e) {
					throw new InputMismatchException();
				}
				if (lenbuf <= 0)
					return false;
			}
			return true;
		}
 
		private int readByte() {
			if (hasNextByte())
				return buffer[curbuf++];
			else
				return -1;
		}
 
		private boolean isSpaceChar(int c) {
			return !(c >= 33 && c <= 126);
		}
 
		private void skip() {
			while (hasNextByte() && isSpaceChar(buffer[curbuf]))
				curbuf++;
		}
 
		public boolean hasNext() {
			skip();
			return hasNextByte();
		}
 
		public String next() {
			if (!hasNext())
				throw new NoSuchElementException();
			StringBuilder sb = new StringBuilder();
			int b = readByte();
			while (!isSpaceChar(b)) {
				sb.appendCodePoint(b);
				b = readByte();
			}
			return sb.toString();
		}
 
		public int nextInt() {
			if (!hasNext())
				throw new NoSuchElementException();
			int c = readByte();
			while (isSpaceChar(c))
				c = readByte();
			boolean minus = false;
			if (c == '-') {
				minus = true;
				c = readByte();
			}
			int res = 0;
			do {
				if (c < '0' || c > '9')
					throw new InputMismatchException();
				res = res * 10 + c - '0';
				c = readByte();
			} while (!isSpaceChar(c));
			return (minus) ? -res : res;
		}
 
		public long nextLong() {
			if (!hasNext())
				throw new NoSuchElementException();
			int c = readByte();
			while (isSpaceChar(c))
				c = readByte();
			boolean minus = false;
			if (c == '-') {
				minus = true;
				c = readByte();
			}
			long res = 0;
			do {
				if (c < '0' || c > '9')
					throw new InputMismatchException();
				res = res * 10 + c - '0';
				c = readByte();
			} while (!isSpaceChar(c));
			return (minus) ? -res : res;
		}
 
		public double nextDouble() {
			return Double.parseDouble(next());
		}
 
		public int[] nextIntArray(int n) {
			int[] a = new int[n];
			for (int i = 0; i < n; i++)
				a[i] = nextInt();
			return a;
		}
		public double[] nextDoubleArray(int n) {
			double[] a = new double[n];
			for (int i = 0; i < n; i++)
				a[i] = nextDouble();
			return a;
		}
		public long[] nextLongArray(int n) {
			long[] a = new long[n];
			for (int i = 0; i < n; i++)
				a[i] = nextLong();
			return a;
		}
 
		public char[][] nextCharMap(int n, int m) {
			char[][] map = new char[n][m];
			for (int i = 0; i < n; i++)
				map[i] = next().toCharArray();
			return map;
		}
	}
}

yukicoder

結果

テストケース

ソースコード