結果

問題 No.258 回転寿司(2)
ユーザー uwiuwi
提出日時 2015-08-01 16:49:27
言語 Java21
(openjdk 21)
結果
AC  
実行時間 76 ms / 2,000 ms
コード長 3,361 bytes
コンパイル時間 3,355 ms
コンパイル使用メモリ 80,960 KB
実行使用メモリ 38,156 KB
最終ジャッジ日時 2024-04-24 11:08:20
合計ジャッジ時間 10,515 ms
ジャッジサーバーID
(参考情報)
judge3 / judge1
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 68 ms
37,872 KB
testcase_01 AC 67 ms
38,064 KB
testcase_02 AC 76 ms
37,728 KB
testcase_03 AC 58 ms
37,216 KB
testcase_04 AC 60 ms
37,804 KB
testcase_05 AC 60 ms
37,768 KB
testcase_06 AC 74 ms
37,888 KB
testcase_07 AC 59 ms
37,740 KB
testcase_08 AC 59 ms
37,912 KB
testcase_09 AC 62 ms
37,848 KB
testcase_10 AC 59 ms
37,476 KB
testcase_11 AC 58 ms
37,680 KB
testcase_12 AC 61 ms
37,724 KB
testcase_13 AC 60 ms
37,204 KB
testcase_14 AC 65 ms
37,860 KB
testcase_15 AC 73 ms
37,960 KB
testcase_16 AC 59 ms
37,364 KB
testcase_17 AC 62 ms
37,812 KB
testcase_18 AC 75 ms
37,896 KB
testcase_19 AC 61 ms
38,092 KB
testcase_20 AC 69 ms
37,704 KB
testcase_21 AC 64 ms
37,936 KB
testcase_22 AC 58 ms
37,564 KB
testcase_23 AC 57 ms
37,476 KB
testcase_24 AC 56 ms
37,516 KB
testcase_25 AC 60 ms
37,864 KB
testcase_26 AC 66 ms
37,816 KB
testcase_27 AC 66 ms
37,832 KB
testcase_28 AC 65 ms
37,844 KB
testcase_29 AC 61 ms
37,868 KB
testcase_30 AC 60 ms
37,912 KB
testcase_31 AC 62 ms
37,844 KB
testcase_32 AC 62 ms
37,896 KB
testcase_33 AC 62 ms
38,016 KB
testcase_34 AC 61 ms
37,692 KB
testcase_35 AC 61 ms
37,816 KB
testcase_36 AC 58 ms
37,820 KB
testcase_37 AC 58 ms
37,712 KB
testcase_38 AC 61 ms
37,756 KB
testcase_39 AC 58 ms
37,980 KB
testcase_40 AC 65 ms
37,724 KB
testcase_41 AC 62 ms
37,596 KB
testcase_42 AC 61 ms
37,716 KB
testcase_43 AC 59 ms
37,480 KB
testcase_44 AC 63 ms
38,024 KB
testcase_45 AC 60 ms
38,128 KB
testcase_46 AC 61 ms
37,620 KB
testcase_47 AC 61 ms
37,680 KB
testcase_48 AC 60 ms
37,900 KB
testcase_49 AC 59 ms
37,804 KB
testcase_50 AC 59 ms
37,772 KB
testcase_51 AC 63 ms
37,732 KB
testcase_52 AC 62 ms
37,680 KB
testcase_53 AC 56 ms
37,208 KB
testcase_54 AC 59 ms
37,972 KB
testcase_55 AC 61 ms
37,924 KB
testcase_56 AC 60 ms
37,860 KB
testcase_57 AC 59 ms
37,684 KB
testcase_58 AC 59 ms
37,628 KB
testcase_59 AC 68 ms
37,732 KB
testcase_60 AC 65 ms
37,844 KB
testcase_61 AC 67 ms
37,896 KB
testcase_62 AC 65 ms
38,072 KB
testcase_63 AC 64 ms
37,740 KB
testcase_64 AC 66 ms
38,116 KB
testcase_65 AC 62 ms
37,964 KB
testcase_66 AC 62 ms
37,596 KB
testcase_67 AC 69 ms
38,156 KB
testcase_68 AC 62 ms
37,856 KB
testcase_69 AC 61 ms
37,936 KB
testcase_70 AC 59 ms
37,980 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 #

package q7xx;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.InputMismatchException;

public class Q710 {
	InputStream is;
	PrintWriter out;
	String INPUT = "";
	
	void solve()
	{
		int n = ni();
		int[] a = na(n);
		for(int i = 0, j = n-1;i < j;i++,j--){
			int d = a[i]; a[i] = a[j]; a[j] = d;
		}
		int[] dp = new int[n+1];
		int[] prev = new int[n+1];
		Arrays.fill(prev, -1);
		int max = -1;
		int argmax = -1;
		for(int i = 0;i < n;i++){
			dp[i] = a[i];
			for(int j = Math.max(0, i-3);j < i-1;j++){
				if(dp[j] + a[i] > dp[i]){
					dp[i] = dp[j] + a[i];
					prev[i] = j;
				}
			}
			if(dp[i] > max){
				max = dp[i];
				argmax = i;
			}
		}
		out.println(max);
		for(int j = argmax;j != -1;j = prev[j]){
			out.print(n-j + " ");
		}
		out.println();
	}
	
	void run() throws Exception
	{
		is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes());
		out = new PrintWriter(System.out);
		
		long s = System.currentTimeMillis();
		solve();
		out.flush();
		if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
	}
	
	public static void main(String[] args) throws Exception { new Q710().run(); }
	
	private byte[] inbuf = new byte[1024];
	private int lenbuf = 0, ptrbuf = 0;
	
	private int readByte()
	{
		if(lenbuf == -1)throw new InputMismatchException();
		if(ptrbuf >= lenbuf){
			ptrbuf = 0;
			try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); }
			if(lenbuf <= 0)return -1;
		}
		return inbuf[ptrbuf++];
	}
	
	private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); }
	private int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; }
	
	private double nd() { return Double.parseDouble(ns()); }
	private char nc() { return (char)skip(); }
	
	private String ns()
	{
		int b = skip();
		StringBuilder sb = new StringBuilder();
		while(!(isSpaceChar(b))){ // when nextLine, (isSpaceChar(b) && b != ' ')
			sb.appendCodePoint(b);
			b = readByte();
		}
		return sb.toString();
	}
	
	private char[] ns(int n)
	{
		char[] buf = new char[n];
		int b = skip(), p = 0;
		while(p < n && !(isSpaceChar(b))){
			buf[p++] = (char)b;
			b = readByte();
		}
		return n == p ? buf : Arrays.copyOf(buf, p);
	}
	
	private char[][] nm(int n, int m)
	{
		char[][] map = new char[n][];
		for(int i = 0;i < n;i++)map[i] = ns(m);
		return map;
	}
	
	private int[] na(int n)
	{
		int[] a = new int[n];
		for(int i = 0;i < n;i++)a[i] = ni();
		return a;
	}
	
	private int ni()
	{
		int num = 0, b;
		boolean minus = false;
		while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
		if(b == '-'){
			minus = true;
			b = readByte();
		}
		
		while(true){
			if(b >= '0' && b <= '9'){
				num = num * 10 + (b - '0');
			}else{
				return minus ? -num : num;
			}
			b = readByte();
		}
	}
	
	private long nl()
	{
		long num = 0;
		int b;
		boolean minus = false;
		while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
		if(b == '-'){
			minus = true;
			b = readByte();
		}
		
		while(true){
			if(b >= '0' && b <= '9'){
				num = num * 10 + (b - '0');
			}else{
				return minus ? -num : num;
			}
			b = readByte();
		}
	}
	
	private static void tr(Object... o) { System.out.println(Arrays.deepToString(o)); }
}
0