結果

問題 No.1160 Strange Bowling
ユーザー neko_the_shadowneko_the_shadow
提出日時 2020-08-28 12:21:10
言語 Java21
(openjdk 21)
結果
AC  
実行時間 398 ms / 2,000 ms
コード長 4,757 bytes
コンパイル時間 2,859 ms
コンパイル使用メモリ 92,004 KB
実行使用メモリ 49,588 KB
最終ジャッジ日時 2024-11-09 01:09:39
合計ジャッジ時間 13,099 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
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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 76 ms
38,192 KB
testcase_01 AC 77 ms
38,208 KB
testcase_02 AC 76 ms
38,324 KB
testcase_03 AC 76 ms
38,064 KB
testcase_04 AC 77 ms
38,372 KB
testcase_05 AC 76 ms
38,108 KB
testcase_06 AC 76 ms
38,044 KB
testcase_07 AC 76 ms
38,324 KB
testcase_08 AC 76 ms
38,200 KB
testcase_09 AC 76 ms
38,072 KB
testcase_10 AC 359 ms
47,520 KB
testcase_11 AC 275 ms
47,028 KB
testcase_12 AC 222 ms
45,380 KB
testcase_13 AC 189 ms
44,312 KB
testcase_14 AC 337 ms
47,236 KB
testcase_15 AC 208 ms
44,824 KB
testcase_16 AC 232 ms
45,520 KB
testcase_17 AC 335 ms
47,156 KB
testcase_18 AC 282 ms
47,640 KB
testcase_19 AC 248 ms
46,268 KB
testcase_20 AC 305 ms
47,252 KB
testcase_21 AC 283 ms
46,924 KB
testcase_22 AC 197 ms
44,352 KB
testcase_23 AC 186 ms
44,320 KB
testcase_24 AC 197 ms
45,016 KB
testcase_25 AC 256 ms
46,700 KB
testcase_26 AC 204 ms
45,164 KB
testcase_27 AC 291 ms
47,412 KB
testcase_28 AC 220 ms
45,292 KB
testcase_29 AC 340 ms
47,408 KB
testcase_30 AC 398 ms
49,588 KB
testcase_31 AC 321 ms
48,772 KB
testcase_32 AC 219 ms
46,512 KB
testcase_33 AC 281 ms
45,448 KB
testcase_34 AC 289 ms
47,008 KB
testcase_35 AC 378 ms
47,800 KB
testcase_36 AC 76 ms
38,044 KB
testcase_37 AC 76 ms
37,860 KB
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ソースコード

diff # 

package _1160;
import java.io.BufferedReader;
import java.io.EOFException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.io.UncheckedIOException;
import java.lang.reflect.Array;
import java.util.ArrayDeque;
import java.util.Arrays;
import java.util.Deque;
import java.util.Objects;
import java.util.regex.Pattern;
import java.util.stream.Collectors;

public class Main {
    public void exec() {
        int n = stdin.nextInt();
        long[] p = new long[n];
        long[] a = new long[n];
        for (int i = 0; i < n; i++) {
            p[i] = stdin.nextLong();
            a[i] = stdin.nextLong();
        }

        long[][] dp = new long[n+1][2];
        dp[1][0] = p[0];
        dp[1][1] = a[0];
        for (int i = 1; i < n; i++) {
            dp[i+1][0] = Math.max(dp[i+1][0], dp[i][0] + p[i]);
            dp[i+1][1] = Math.max(dp[i+1][1], dp[i][0] + a[i]);

            dp[i+1][0] = Math.max(dp[i+1][0], dp[i][1] + p[i] + p[i]);
            dp[i+1][1] = Math.max(dp[i+1][1], dp[i][1] + a[i] + a[i]);
        }

        stdout.println(Math.max(dp[n][0], dp[n][1]));
    }

    private static final Stdin stdin = new Stdin();
    private static final Stdout stdout = new Stdout();

    public static void main(String[] args) {
        try {
            new Main().exec();
        } finally {
            stdout.flush();
        }
    }

    public static class Stdin {
        private BufferedReader stdin;
        private Deque<String> tokens;
        private Pattern delim;

        public Stdin() {
            stdin = new BufferedReader(new InputStreamReader(System.in));
            tokens = new ArrayDeque<>();
            delim = Pattern.compile(" ");
        }

        public String nextString() {
            try {
                if (tokens.isEmpty()) {
                    String line = stdin.readLine();
                    if (line == null) {
                        throw new UncheckedIOException(new EOFException());
                    }
                    delim.splitAsStream(line).forEach(tokens::addLast);
                }
                return tokens.pollFirst();
            } catch (IOException e) {
                throw new UncheckedIOException(e);
            }
        }

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

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

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

        public String[] nextStringArray(int n) {
            String[] a = new String[n];
            for (int i = 0; i < n; i++) a[i] = nextString();
            return a;
        }

        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 static class Stdout {
        private PrintWriter stdout;

        public Stdout() {
            stdout =  new PrintWriter(System.out, false);
        }

        public void printf(String format, Object ... args) {
            String line = String.format(format, args);
            if (line.endsWith(System.lineSeparator())) {
                stdout.print(line);
            } else {
                stdout.println(line);
            }
        }

        public void println(Object ... objs) {
            String line = Arrays.stream(objs).map(Objects::toString).collect(Collectors.joining(" "));
            stdout.println(line);
        }

        public void debug(Object ... objs) {
            String line = Arrays.stream(objs).map(this::deepToString).collect(Collectors.joining(" "));
            stdout.printf("DEBUG: %s%n", line);
        }

        private String deepToString(Object o) {
            if (o == null) {
                return "null";
            }

            // 配列の場合
            if (o.getClass().isArray()) {
                int len = Array.getLength(o);
                String[] tokens = new String[len];
                for (int i = 0; i < len; i++) {
                    tokens[i] = deepToString(Array.get(o, i));
                }
                return "{" + String.join(",", tokens) + "}";
            }

            return Objects.toString(o);
        }

        private void flush() {
            stdout.flush();
        }
    }
}
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