結果

問題 No.1163 I want to be a high achiever
ユーザー neko_the_shadowneko_the_shadow
提出日時 2020-08-31 15:30:39
言語 Java21
(openjdk 21)
結果
AC  
実行時間 1,858 ms / 2,000 ms
コード長 5,503 bytes
コンパイル時間 4,475 ms
コンパイル使用メモリ 99,256 KB
実行使用メモリ 474,204 KB
最終ジャッジ日時 2024-04-27 19:31:46
合計ジャッジ時間 36,354 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge4
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 124 ms
54,200 KB
testcase_01 AC 65 ms
50,936 KB
testcase_02 AC 68 ms
51,384 KB
testcase_03 AC 113 ms
53,176 KB
testcase_04 AC 1,493 ms
329,932 KB
testcase_05 AC 1,853 ms
407,980 KB
testcase_06 AC 1,346 ms
263,340 KB
testcase_07 AC 1,858 ms
474,204 KB
testcase_08 AC 1,816 ms
459,376 KB
testcase_09 AC 82 ms
52,656 KB
testcase_10 AC 1,466 ms
327,032 KB
testcase_11 AC 1,621 ms
411,844 KB
testcase_12 AC 1,466 ms
328,280 KB
testcase_13 AC 1,530 ms
264,704 KB
testcase_14 AC 1,552 ms
300,740 KB
testcase_15 AC 1,855 ms
408,348 KB
testcase_16 AC 1,481 ms
289,248 KB
testcase_17 AC 1,504 ms
308,376 KB
testcase_18 AC 1,702 ms
404,432 KB
testcase_19 AC 1,339 ms
260,336 KB
testcase_20 AC 1,248 ms
276,756 KB
testcase_21 AC 83 ms
51,632 KB
testcase_22 AC 1,579 ms
337,624 KB
testcase_23 AC 1,578 ms
373,168 KB
testcase_24 AC 1,817 ms
464,304 KB
testcase_25 AC 1,709 ms
333,976 KB
testcase_26 AC 90 ms
51,920 KB
testcase_27 AC 65 ms
51,172 KB
testcase_28 AC 68 ms
51,048 KB
testcase_29 AC 113 ms
51,856 KB
testcase_30 AC 81 ms
51,468 KB
testcase_31 AC 64 ms
51,284 KB
testcase_32 AC 67 ms
51,348 KB
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ソースコード

diff # 

package _1163;

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.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Objects;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
import java.util.stream.IntStream;

public class Main {
    public void exec() {
        int n = stdin.nextInt();
        long x = stdin.nextLong();
        long[] a = stdin.nextLongArray(n);
        long[] b = stdin.nextLongArray(n);

        for (int i = 0; i < n; i++) {
            a[i] -= x;
        }

        if (Arrays.stream(a).sum() >= 0) {
            stdout.println(0);
            return;
        }

        if (Arrays.stream(a).allMatch(v -> v < 0)) {
            stdout.println(-1);
            return;
        }

        List<Map<Long, Long>> dp = IntStream.range(0, n+1).mapToObj(unused -> new HashMap<Long, Long>()).collect(Collectors.toList());
        dp.get(0).put(Arrays.stream(a).sum(), 0L);
        for (int i = 0; i < n; i++) {
            for (Long k : dp.get(i).keySet()) {
                update(dp.get(i + 1), k, dp.get(i).get(k));
                update(dp.get(i + 1), k-a[i], dp.get(i).get(k)+b[i]);
            }

        }

        long ans = dp.get(n).entrySet().stream().filter(e -> e.getKey() >= 0).mapToLong(Entry::getValue).min().getAsLong();
        stdout.println(ans);
    }

    public void update(Map<Long, Long> d, Long key, Long value) {
        if (d.containsKey(key)) {
            if (d.get(key).compareTo(value) > 0) {
                d.put(key, value);
            }
        } else {
            d.put(key, value);
        }
    }


    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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