Submission #1106460

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1106460	2024-10-30T11:47:11 Z	tungdao17	Job Scheduling (CEOI12_jobs)	Java 11	0 / 100	1000 ms	61644 KB

jobs

import java.io.*;
import java.util.*;
import java.util.function.Predicate;

// https://oj.uz/problem/view/CEOI12_jobs
public class jobs {
    static List<List<Job>> result;

    public static void main(String[] args) throws IOException {
        Kattio io = new Kattio();
        // Kattio io = new Kattio("test");

        int N = io.nextInt(), D = io.nextInt(), M = io.nextInt();
        Job[] jobs = new Job[M];
        for (int i = 0; i < M; ++i)
            jobs[i] = new Job(i + 1, io.nextInt());

        Arrays.sort(jobs, Comparator.comparingInt(j -> j.requestDay));

        io.println(firstTrue(1, M, x -> can(x, N, D, jobs)));

        for (int i = 0; i < N; ++i) {
            if (i < result.size()) {
                StringBuilder s = new StringBuilder();
                for (Job job : result.get(i))
                    s.append(job.id + " ");
                s.append("0");
                io.println(s.toString());
            } else
                io.println("0");
        }

        io.close();
    }

    static boolean can(int maxMachine, int nDay, int nRunningDay, Job[] jobs) {
        List<List<Job>> jobSchedule = new ArrayList<>();
        List<Job> processingJobs = new LinkedList<>();
        int today = 1, i = 0;
        while (today <= nDay && i < jobs.length) {
            if (processingJobs.size() > maxMachine)
                return false;
            else {
                // remove finished jobs
                while (processingJobs.size() > 0 && today - processingJobs.get(0).requestDay + 1 >= nRunningDay)
                    processingJobs.remove(0);

                // add new jobs
                while (processingJobs.size() < maxMachine && i < jobs.length && jobs[i].requestDay <= today)
                    processingJobs.add(jobs[i++]);
            }
            jobSchedule.add(new ArrayList<>(processingJobs));
            today++;
        }
        boolean isValid = today <= nDay && i == jobs.length;
        if (isValid)
            result = jobSchedule;
        return isValid;
    }

    static int firstTrue(int l, int r, Predicate<Integer> f) {
        r++;
        while (l < r) {
            int m = l + (r - l) / 2;
            if (f.test(m))
                r = m;
            else
                l = m + 1;
        }
        return l;
    }

    static class Job {
        int id, requestDay;

        Job(int id, int day) {
            this.id = id;
            this.requestDay = day;
        }
    }
}

// 8 2 12
// 1 2 4 2 1 3 5 6 2 3 6 4

class Kattio extends PrintWriter {
    BufferedReader r;
    StringTokenizer st;

    public Kattio() {
        super(System.out);
        r = new BufferedReader(new InputStreamReader(System.in));
    }

    public Kattio(String problemName) throws IOException {
        super(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

0 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	517 ms	29768 KB	Output isn't correct
2	Incorrect	528 ms	29904 KB	Output isn't correct
3	Incorrect	525 ms	29656 KB	Output isn't correct
4	Incorrect	502 ms	29684 KB	Output isn't correct
5	Incorrect	521 ms	27376 KB	Output isn't correct
6	Incorrect	517 ms	30216 KB	Output isn't correct
7	Incorrect	498 ms	29832 KB	Output isn't correct
8	Incorrect	528 ms	29836 KB	Output isn't correct
9	Execution timed out	1056 ms	34664 KB	Time limit exceeded
10	Execution timed out	1062 ms	34636 KB	Time limit exceeded
11	Execution timed out	1060 ms	43256 KB	Time limit exceeded
12	Execution timed out	1059 ms	40728 KB	Time limit exceeded
13	Execution timed out	1059 ms	31940 KB	Time limit exceeded
14	Execution timed out	1067 ms	56176 KB	Time limit exceeded
15	Execution timed out	1068 ms	43144 KB	Time limit exceeded
16	Execution timed out	1070 ms	50116 KB	Time limit exceeded
17	Execution timed out	1060 ms	51360 KB	Time limit exceeded
18	Execution timed out	1076 ms	51888 KB	Time limit exceeded
19	Execution timed out	1053 ms	61644 KB	Time limit exceeded
20	Execution timed out	1074 ms	53204 KB	Time limit exceeded