結果

問題 No.1460 Max of Min
ユーザー cyclerecycle9cyclerecycle9
提出日時 2022-05-04 02:25:45
言語 Java21
(openjdk 21)
結果
WA  
実行時間 -
コード長 5,104 bytes
コンパイル時間 2,364 ms
コンパイル使用メモリ 75,088 KB
実行使用メモリ 475,000 KB
最終ジャッジ日時 2023-09-16 01:06:55
合計ジャッジ時間 32,060 ms
ジャッジサーバーID
(参考情報)
judge11 / judge12
このコードへのチャレンジ
(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 42 ms
49,424 KB
testcase_01 AC 42 ms
49,180 KB
testcase_02 AC 41 ms
49,628 KB
testcase_03 AC 923 ms
472,800 KB
testcase_04 AC 834 ms
469,716 KB
testcase_05 WA -
testcase_06 WA -
testcase_07 WA -
testcase_08 AC 43 ms
49,448 KB
testcase_09 WA -
testcase_10 WA -
testcase_11 WA -
testcase_12 WA -
testcase_13 WA -
testcase_14 WA -
testcase_15 WA -
testcase_16 AC 347 ms
194,280 KB
testcase_17 AC 249 ms
115,932 KB
testcase_18 WA -
testcase_19 WA -
testcase_20 WA -
testcase_21 WA -
testcase_22 WA -
testcase_23 AC 84 ms
51,272 KB
testcase_24 WA -
testcase_25 WA -
testcase_26 AC 411 ms
237,480 KB
testcase_27 AC 151 ms
76,404 KB
testcase_28 WA -
testcase_29 WA -
testcase_30 WA -
testcase_31 WA -
testcase_32 WA -
testcase_33 WA -
testcase_34 WA -
testcase_35 WA -
testcase_36 WA -
testcase_37 WA -
testcase_38 WA -
testcase_39 WA -
testcase_40 WA -
testcase_41 WA -
testcase_42 AC 87 ms
52,100 KB
testcase_43 WA -
testcase_44 WA -
testcase_45 AC 82 ms
51,724 KB
testcase_46 WA -
testcase_47 WA -
testcase_48 WA -
testcase_49 WA -
testcase_50 WA -
testcase_51 WA -
testcase_52 WA -
testcase_53 AC 126 ms
56,476 KB
testcase_54 AC 115 ms
60,240 KB
testcase_55 WA -
testcase_56 WA -
testcase_57 WA -
testcase_58 WA -
testcase_59 AC 162 ms
89,008 KB
testcase_60 WA -
testcase_61 WA -
testcase_62 WA -
testcase_63 WA -
testcase_64 WA -
testcase_65 WA -
testcase_66 WA -
testcase_67 WA -
testcase_68 WA -
testcase_69 WA -
testcase_70 WA -
testcase_71 WA -
testcase_72 WA -
testcase_73 WA -
testcase_74 AC 113 ms
61,064 KB
testcase_75 WA -
testcase_76 WA -
testcase_77 WA -
testcase_78 WA -
testcase_79 WA -
testcase_80 WA -
testcase_81 WA -
testcase_82 WA -
testcase_83 WA -
testcase_84 AC 799 ms
470,396 KB
testcase_85 AC 803 ms
470,688 KB
testcase_86 AC 797 ms
470,928 KB
testcase_87 AC 807 ms
468,852 KB
testcase_88 AC 785 ms
470,036 KB
testcase_89 AC 815 ms
469,936 KB
testcase_90 AC 812 ms
470,488 KB
testcase_91 AC 805 ms
470,624 KB
testcase_92 AC 820 ms
470,968 KB
testcase_93 AC 794 ms
469,324 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.util.*;



public class Main {
	static final long MOD=1000000007;
	static final long MOD1=998244353;
	static int size = 0;
	static long MAX = 1000000000000000000l;
	public static void main(String[] args){
		PrintWriter out = new PrintWriter(System.out);
		InputReader sc=new InputReader(System.in);
		int k = sc.nextInt();
		long n = sc.nextLong();
		long[] a = sc.nextLongArray(k);
		long[] init = sc.nextLongArray(k);
		kitamasa KITA = new kitamasa(k, a);
		System.out.println(KITA.calc(init, n));
   	}
	//きたまさ法, k項間線形漸化式の第n項をO(k^2logn)で求める
	//注) aもinitも小さい順に入れていく、a_k = c_k-1*a_k-1 + .... + c_0*a_0 なら添え字の通りにいれる  
	//0index-dで0~k-1項を初項として計算する
	//コンストラクタに漸化式の係数を与えて初期化。calcで初項を与えて計算する。
	static class kitamasa{
		int k;
		long[] a;
		public kitamasa(int k, long[] a) {
			this.k = k;
			this.a = new long[k];
			for (int i = 0; i < a.length; i++) {
				this.a[i] = a[i];
			}
		}
		long[] dfs(long n){
	        if(n == k)  return a;
	        long[] res = new long[k];
	        Arrays.fill(res, Long.MIN_VALUE);
	        if((n & 1) == 1 || n < k * 2){
	            long[] x = dfs(n - 1);
	            oneplus(res, x);
	        }
	        else{
	        	long[][] x = new long[k][k];
	        	for (int i = 0; i < x.length; i++) {
					Arrays.fill(x[i], Long.MIN_VALUE);
				}
	            x[0] = dfs(n >> 1);
	            for(int i = 0; i + 1 < k; i++){
	            	oneplus(x[i+1], x[i]);
	            }
	            for(int i = 0; i < k; i++){
	                for(int j = 0; j < k; j++){
	                    res[j] = Math.max(res[j], Math.min(x[0][i] , x[i][j]));
	                }
	            }
	        }
	        return res;
	    }
		void oneplus(long[] res, long[] x) {
			for(int i = 0; i < k; i++)  res[i] = Math.min(a[i] , x[k - 1]);
	        for(int i = 0; i + 1 < k; i++)  res[i + 1] = Math.max(res[i + 1] , x[i]);
		}
		long calc(long[] init, long n) {
			if(n<k) return init[(int)n];
			long[] x = dfs(n);//a_nの係数
			long res = Long.MIN_VALUE;
			for (int i = 0; i < k; i++) {
				res = Math.max(res, Math.min(init[i] , x[i]));
			}
			return res;
		}
	}
	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;
		}
	}
}
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