Submission #401899

# Submission time Handle Problem Language Result Execution time Memory
401899 2021-05-11T00:54:24 Z rainliofficial Job Scheduling (CEOI12_jobs) Java 11
0 / 100
1000 ms 65540 KB
import java.io.*;
import java.util.*;

public class jobs { 
    static int n, d, m;
    static ArrayList<Integer>[] out;
    public static void main(String[] args) throws IOException{
        BufferedReader file = new BufferedReader(new InputStreamReader(System.in));
        StringTokenizer st = new StringTokenizer(file.readLine());
        n = Integer.parseInt(st.nextToken());
        d = Integer.parseInt(st.nextToken());
        m = Integer.parseInt(st.nextToken());
        int[][] arr = new int[m][2];
        st = new StringTokenizer(file.readLine());
        for (int i=0; i<m; i++){
            arr[i] = new int[] {Integer.parseInt(st.nextToken()), i+1};
        }
        Arrays.sort(arr, (a, b) -> a[0]-b[0]);
        int low = 0;
        int high = n;
        while (low < high){
            int mid = (low + high)/2;
            if (check(mid, arr)){
                high = mid;
            }else{
                low = mid+1;
            }
        }
        System.out.println(low);
        for (int i=0; i<n; i++){
            for (int j : out[i]){
                System.out.print(j + " ");
            }
            System.out.print("0");
            System.out.println();
        }
    }
    public static boolean check(int mid, int[][] arr){
        int[] end = new int[mid]; // Tracks when a machine ends its job
        int index = 0;
        out = new ArrayList[n];
        for (int i=0; i<n; i++){
            out[i] = new ArrayList<>();
        }
        for (int i=0; i<m; i++){
            if (index == mid){
                index = 0;
            }
            if (end[index]-arr[i][0]+1 > d){
                return false;
            }
            end[index]++;
            out[end[index]].add(arr[i][1]);
            index++;
        }
        return true;
    }
}

Compilation message

Note: jobs.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
# Verdict Execution time Memory Grader output
1 Execution timed out 1096 ms 26000 KB Time limit exceeded
2 Execution timed out 1067 ms 26044 KB Time limit exceeded
3 Execution timed out 1082 ms 27664 KB Time limit exceeded
4 Execution timed out 1089 ms 27548 KB Time limit exceeded
5 Execution timed out 1092 ms 28652 KB Time limit exceeded
6 Execution timed out 1087 ms 28628 KB Time limit exceeded
7 Execution timed out 1091 ms 27472 KB Time limit exceeded
8 Execution timed out 1080 ms 27524 KB Time limit exceeded
9 Execution timed out 1098 ms 21408 KB Time limit exceeded
10 Execution timed out 1086 ms 21596 KB Time limit exceeded
11 Execution timed out 1088 ms 21624 KB Time limit exceeded
12 Execution timed out 1095 ms 28716 KB Time limit exceeded
13 Execution timed out 1098 ms 40180 KB Time limit exceeded
14 Execution timed out 1091 ms 46800 KB Time limit exceeded
15 Execution timed out 1099 ms 51472 KB Time limit exceeded
16 Execution timed out 1091 ms 57000 KB Time limit exceeded
17 Runtime error 705 ms 65536 KB Execution killed with signal 9
18 Runtime error 514 ms 65540 KB Execution killed with signal 9
19 Runtime error 541 ms 65540 KB Execution killed with signal 9
20 Runtime error 678 ms 65536 KB Execution killed with signal 9