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 94 ms / 2,000 ms
コード長 3,361 bytes
コンパイル時間 4,053 ms
コンパイル使用メモリ 81,036 KB
実行使用メモリ 53,156 KB
最終ジャッジ日時 2024-11-06 18:50:32
合計ジャッジ時間 13,103 ms
ジャッジサーバーID
(参考情報)
judge5 / 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 84 ms
50,944 KB
testcase_01 AC 83 ms
50,964 KB
testcase_02 AC 79 ms
51,036 KB
testcase_03 AC 75 ms
50,652 KB
testcase_04 AC 76 ms
51,116 KB
testcase_05 AC 77 ms
51,084 KB
testcase_06 AC 82 ms
50,808 KB
testcase_07 AC 78 ms
51,080 KB
testcase_08 AC 78 ms
51,180 KB
testcase_09 AC 77 ms
50,932 KB
testcase_10 AC 74 ms
50,900 KB
testcase_11 AC 76 ms
51,044 KB
testcase_12 AC 78 ms
51,188 KB
testcase_13 AC 75 ms
53,156 KB
testcase_14 AC 92 ms
51,236 KB
testcase_15 AC 77 ms
51,180 KB
testcase_16 AC 76 ms
50,988 KB
testcase_17 AC 75 ms
50,944 KB
testcase_18 AC 81 ms
51,208 KB
testcase_19 AC 76 ms
51,152 KB
testcase_20 AC 81 ms
50,936 KB
testcase_21 AC 81 ms
50,840 KB
testcase_22 AC 74 ms
51,012 KB
testcase_23 AC 74 ms
51,140 KB
testcase_24 AC 76 ms
51,040 KB
testcase_25 AC 76 ms
51,292 KB
testcase_26 AC 79 ms
51,156 KB
testcase_27 AC 77 ms
51,068 KB
testcase_28 AC 83 ms
51,012 KB
testcase_29 AC 79 ms
50,960 KB
testcase_30 AC 74 ms
51,060 KB
testcase_31 AC 76 ms
50,904 KB
testcase_32 AC 77 ms
50,876 KB
testcase_33 AC 82 ms
51,116 KB
testcase_34 AC 79 ms
51,036 KB
testcase_35 AC 77 ms
51,200 KB
testcase_36 AC 75 ms
51,144 KB
testcase_37 AC 74 ms
50,656 KB
testcase_38 AC 79 ms
51,104 KB
testcase_39 AC 80 ms
51,120 KB
testcase_40 AC 81 ms
50,948 KB
testcase_41 AC 81 ms
51,320 KB
testcase_42 AC 79 ms
50,952 KB
testcase_43 AC 76 ms
51,232 KB
testcase_44 AC 82 ms
51,136 KB
testcase_45 AC 80 ms
51,148 KB
testcase_46 AC 76 ms
50,952 KB
testcase_47 AC 80 ms
50,932 KB
testcase_48 AC 75 ms
51,224 KB
testcase_49 AC 76 ms
51,020 KB
testcase_50 AC 78 ms
51,136 KB
testcase_51 AC 80 ms
51,192 KB
testcase_52 AC 79 ms
51,196 KB
testcase_53 AC 75 ms
51,088 KB
testcase_54 AC 78 ms
50,980 KB
testcase_55 AC 83 ms
50,800 KB
testcase_56 AC 79 ms
50,952 KB
testcase_57 AC 74 ms
51,236 KB
testcase_58 AC 79 ms
51,272 KB
testcase_59 AC 81 ms
51,116 KB
testcase_60 AC 75 ms
51,120 KB
testcase_61 AC 80 ms
51,080 KB
testcase_62 AC 77 ms
51,108 KB
testcase_63 AC 79 ms
51,156 KB
testcase_64 AC 94 ms
51,080 KB
testcase_65 AC 80 ms
51,368 KB
testcase_66 AC 77 ms
51,000 KB
testcase_67 AC 81 ms
51,160 KB
testcase_68 AC 81 ms
51,220 KB
testcase_69 AC 81 ms
51,068 KB
testcase_70 AC 79 ms
51,248 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)); }
}
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