結果

問題 No.1093 区間の和 / Sum of Range
ユーザー neko_the_shadowneko_the_shadow
提出日時 2020-07-10 13:19:34
言語 Java21
(openjdk 21)
結果
AC  
実行時間 1,000 ms / 2,000 ms
コード長 4,592 bytes
コンパイル時間 2,960 ms
コンパイル使用メモリ 96,516 KB
実行使用メモリ 58,320 KB
最終ジャッジ日時 2024-04-19 02:51:32
合計ジャッジ時間 29,278 ms
ジャッジサーバーID
(参考情報)
judge4 / judge2
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
37,864 KB
testcase_01 AC 730 ms
49,172 KB
testcase_02 AC 459 ms
47,856 KB
testcase_03 AC 556 ms
54,660 KB
testcase_04 AC 427 ms
53,868 KB
testcase_05 AC 752 ms
48,944 KB
testcase_06 AC 436 ms
48,604 KB
testcase_07 AC 619 ms
48,300 KB
testcase_08 AC 706 ms
56,644 KB
testcase_09 AC 657 ms
48,120 KB
testcase_10 AC 679 ms
58,320 KB
testcase_11 AC 828 ms
51,512 KB
testcase_12 AC 750 ms
54,360 KB
testcase_13 AC 170 ms
42,316 KB
testcase_14 AC 723 ms
48,776 KB
testcase_15 AC 471 ms
47,260 KB
testcase_16 AC 953 ms
52,680 KB
testcase_17 AC 715 ms
49,812 KB
testcase_18 AC 607 ms
48,172 KB
testcase_19 AC 296 ms
47,152 KB
testcase_20 AC 554 ms
48,336 KB
testcase_21 AC 807 ms
50,056 KB
testcase_22 AC 967 ms
52,684 KB
testcase_23 AC 692 ms
47,920 KB
testcase_24 AC 516 ms
52,708 KB
testcase_25 AC 687 ms
48,052 KB
testcase_26 AC 802 ms
54,768 KB
testcase_27 AC 775 ms
47,972 KB
testcase_28 AC 779 ms
52,384 KB
testcase_29 AC 1,000 ms
54,692 KB
testcase_30 AC 386 ms
47,636 KB
testcase_31 AC 478 ms
47,564 KB
testcase_32 AC 546 ms
50,036 KB
testcase_33 AC 931 ms
52,552 KB
testcase_34 AC 295 ms
46,920 KB
testcase_35 AC 745 ms
50,204 KB
testcase_36 AC 959 ms
57,288 KB
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ソースコード

diff #

import java.io.BufferedReader;
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.Map;
import java.util.Objects;
import java.util.regex.Pattern;
import java.util.stream.Collectors;

public class Main {
    public void exec() {
        int n = stdin.nextInt();
        int k = stdin.nextInt();
        int[] a = stdin.nextIntArray(n);

        int[] b = new int[n+1];
        for (int i = 0; i < n; i++) b[i+1] = b[i] + a[i];

        Map<Integer, Integer> c = new HashMap<>();
        for (int i = 0; i < n - k + 1; i++) {
            int sum = b[i+k]-b[i];
            if (c.containsKey(sum)) {
                c.put(sum, c.get(sum)+1);
            } else {
                c.put(sum, 1);
            }
        }

        int[] d = c.keySet().stream().mapToInt(Integer::intValue).sorted().toArray();
        int m = d.length;
        int[] e = new int[m];
        e[0] = c.get(d[0]);
        for (int i = 1; i < m; i++) {
            e[i] = e[i-1] + c.get(d[i]);
        }

        int q = stdin.nextInt();
        for (int i = 0; i < q; i++) {
            int x = stdin.nextInt();
            int p = Arrays.binarySearch(d, x);
            if (p >= 0) {
                stdout.println(e[p]);
            } else {
                p = -1 * (p + 1) - 1;
                if (p >= 0) {
                    stdout.println(e[p]);
                } else {
                    stdout.println(0);
                }
            }
        }

    }

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

    public static void main(String[] args) {
        new Main().exec();
        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();
                    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) {
            stdout.printf(format, args);
        }

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

        private String deepToString(Object o) {
            if (o == null || !o.getClass().isArray()) {
                return Objects.toString(o);
            }

            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) + "}";
        }

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