oj.uz

Submission #525511

# Submission time Handle Problem Language Result Execution time Memory
525511 2022-02-11T20:03:08 Z anjroo A Huge Tower (CEOI10_tower) Java 11
100 / 100
 610 ms 52136 KB 
import java.util.*;
import java.io.*;

public class tower {
    static final int MOD = (int)1e9 + 9;

    static Kattio io = new Kattio();
    public static void main(String[] args) throws IOException {
        int n = io.nextInt();
        int d = io.nextInt();

        int[] b = new int[n];

        for(int i = 0; i < n; i++) {
            b[i] = io.nextInt();
        }

        Arrays.sort(b);

        long ans = 1;
        int lowerP = 0;
        for(int i = 1; i < n; i++) {
            while(b[lowerP] < b[i] - d) {
                lowerP++;
            }

            ans *= (i - lowerP + 1);
            ans %= MOD;
        }
        io.println(ans);
        io.close();
    }

    static class Kattio extends PrintWriter {
        private BufferedReader r;
        private StringTokenizer st;
        public Kattio() { this(System.in,System.out); }
        public Kattio(InputStream i, OutputStream o) {
            super(o);
            r = new BufferedReader(new InputStreamReader(i));
        }
        public Kattio(String problemName) throws IOException {
            super(new FileWriter(problemName+".out"));
            r = new BufferedReader(new FileReader(problemName+".in"));
        }
        public String next() {
            try {
                while (st == null || !st.hasMoreTokens())
                    st = new StringTokenizer(r.readLine());
                return st.nextToken();
            } catch (Exception e) {}
            return null;
        }
        public int nextInt() { return Integer.parseInt(next()); }
        public double nextDouble() { return Double.parseDouble(next()); }
        public long nextLong() { return Long.parseLong(next()); }
    }
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 8848 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 57 ms 8360 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 8228 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 57 ms 8324 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 8368 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 8260 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 69 ms 8088 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 8332 KB Output is correct

Subtask #9
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 8480 KB Output is correct

Subtask #10
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 8204 KB Output is correct

Subtask #11
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 8552 KB Output is correct

Subtask #12
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 8608 KB Output is correct

Subtask #13
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 75 ms 8296 KB Output is correct

Subtask #14
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 8400 KB Output is correct

Subtask #15
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 91 ms 9436 KB Output is correct

Subtask #16
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 284 ms 16948 KB Output is correct

Subtask #17
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 301 ms 19456 KB Output is correct

Subtask #18
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 604 ms 24400 KB Output is correct
2 Correct 610 ms 24256 KB Output is correct

Subtask #19
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 500 ms 36304 KB Output is correct
2 Correct 463 ms 36308 KB Output is correct

Subtask #20
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 522 ms 52136 KB Output is correct
2 Correct 577 ms 50980 KB Output is correct