結果

問題 No.45 回転寿司
ユーザー tutuztutuz
提出日時 2018-09-22 08:39:31
言語 Java21
(openjdk 21)
結果
AC  
実行時間 647 ms / 5,000 ms
コード長 3,309 bytes
コンパイル時間 2,114 ms
コンパイル使用メモリ 74,312 KB
実行使用メモリ 485,848 KB
最終ジャッジ日時 2023-09-25 10:57:51
合計ジャッジ時間 13,501 ms
ジャッジサーバーID
(参考情報)
judge11 / judge14
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 266 ms
235,264 KB
testcase_01 AC 354 ms
328,404 KB
testcase_02 AC 528 ms
416,112 KB
testcase_03 AC 571 ms
441,016 KB
testcase_04 AC 372 ms
329,184 KB
testcase_05 AC 118 ms
110,568 KB
testcase_06 AC 331 ms
329,168 KB
testcase_07 AC 522 ms
416,004 KB
testcase_08 AC 175 ms
173,228 KB
testcase_09 AC 557 ms
425,708 KB
testcase_10 AC 268 ms
241,292 KB
testcase_11 AC 167 ms
174,980 KB
testcase_12 AC 537 ms
421,608 KB
testcase_13 AC 117 ms
110,336 KB
testcase_14 AC 99 ms
83,172 KB
testcase_15 AC 314 ms
329,080 KB
testcase_16 AC 236 ms
212,052 KB
testcase_17 AC 264 ms
231,240 KB
testcase_18 AC 231 ms
212,016 KB
testcase_19 AC 479 ms
416,072 KB
testcase_20 AC 104 ms
82,384 KB
testcase_21 AC 116 ms
110,556 KB
testcase_22 AC 52 ms
51,944 KB
testcase_23 AC 55 ms
52,920 KB
testcase_24 AC 56 ms
52,984 KB
testcase_25 AC 47 ms
49,440 KB
testcase_26 AC 313 ms
328,636 KB
testcase_27 AC 479 ms
415,964 KB
testcase_28 AC 327 ms
328,992 KB
testcase_29 AC 461 ms
418,452 KB
testcase_30 AC 465 ms
415,856 KB
testcase_31 AC 50 ms
49,384 KB
testcase_32 AC 49 ms
49,824 KB
testcase_33 AC 647 ms
485,848 KB
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ソースコード

diff #

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.InputMismatchException;
import java.util.StringTokenizer;

public class Main {

	public static void main(String[] args) throws IOException {
		InputStream inputStream = System.in;
		OutputStream outputStream = System.out;
		InputReader in = new InputReader(inputStream);
		PrintWriter out = new PrintWriter(outputStream);
		TaskX solver = new TaskX();
		solver.solve(1, in, out);
		out.close();
	}

	static int INF = 1 << 30;
	static long LINF = 1L << 55;
	static int MOD = 1000000007;
	static int[] mh4 = { 0, -1, 1, 0 };
	static int[] mw4 = { -1, 0, 0, 1 };
	static int[] mh8 = { -1, -1, -1, 0, 0, 1, 1, 1 };
	static int[] mw8 = { -1, 0, 1, -1, 1, -1, 0, 1 };

	static class TaskX {

		int n;
		int[] a;
		int ans;
		int[][] memo;
		public void solve(int testNumber, InputReader in, PrintWriter out) {

			n = in.nextInt();
			a = in.nextIntArray(n);
			memo = new int[n+1][111111];
			fill(memo, -1);

			f(0, 0);

			out.println(ans);
		}

		int f(int now, int v) {
			if (now >= n) {
				ans = Math.max(ans, v);
				return ans;
			}

			if (memo[now][v] != -1) {
				return memo[now][v];
			}

			return memo[now][v] = Math.max(f(now + 1, v), f(now + 2, v + a[now]));
		}
	}

	static void fill(int[][] memo, int v) {
		for (int i = 0; i < memo.length; i++) {
			Arrays.fill(memo[i], v);
		}
	}

	static class InputReader {
		BufferedReader in;
		StringTokenizer tok;

		public String nextString() {
			while (!tok.hasMoreTokens()) {
				try {
					tok = new StringTokenizer(in.readLine(), " ");
				} catch (IOException e) {
					throw new InputMismatchException();
				}
			}
			return tok.nextToken();
		}

		public int nextInt() {
			return Integer.parseInt(nextString());
		}

		public long nextLong() {
			return Long.parseLong(nextString());
		}

		public double nextDouble() {
			return Double.parseDouble(nextString());
		}

		public int[] nextIntArray(int n) {
			int[] res = new int[n];
			for (int i = 0; i < n; i++) {
				res[i] = nextInt();
			}
			return res;
		}

		public int[] nextIntArrayDec(int n) {
			int[] res = new int[n];
			for (int i = 0; i < n; i++) {
				res[i] = nextInt() - 1;
			}
			return res;
		}

		public int[] nextIntArray1Index(int n) {
			int[] res = new int[n + 1];
			for (int i = 0; i < n; i++) {
				res[i + 1] = nextInt();
			}
			return res;
		}

		public long[] nextLongArray(int n) {
			long[] res = new long[n];
			for (int i = 0; i < n; i++) {
				res[i] = nextLong();
			}
			return res;
		}

		public long[] nextLongArrayDec(int n) {
			long[] res = new long[n];
			for (int i = 0; i < n; i++) {
				res[i] = nextLong() - 1;
			}
			return res;
		}

		public long[] nextLongArray1Index(int n) {
			long[] res = new long[n + 1];
			for (int i = 0; i < n; i++) {
				res[i + 1] = nextLong();
			}
			return res;
		}

		public double[] nextDoubleArray(int n) {
			double[] res = new double[n];
			for (int i = 0; i < n; i++) {
				res[i] = nextDouble();
			}
			return res;
		}

		public InputReader(InputStream inputStream) {
			in = new BufferedReader(new InputStreamReader(inputStream));
			tok = new StringTokenizer("");
		}
	}

}
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