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Submission #346781

# Submission time Handle Problem Language Result Execution time Memory
346781 2021-01-11T02:29:05 Z vijay Carnival (CEOI14_carnival) Java 11
0 / 100
 1000 ms 15184 KB 
import java.io.*;
import java.util.*;

public class carnival {

    public static void main(String[] args) throws IOException, FileNotFoundException {
        // BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(new File("carnival.in"))));
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));

        int N = Integer.parseInt(reader.readLine()); 

        int[] groups = new int[N + 1];
        groups[1] = 1;

        int groupCount = 1;
        int[] groupMainPoint = new int[N + 1];

        groupMainPoint[groupCount] = 1;

        String startQuery = "1";
        int prev = 1;

        for(int i = 2; i <= N; i++){
            startQuery += " " + String.valueOf(i);
            System.out.println(i + " " + startQuery);
            System.out.flush();

            int newGroups = Integer.parseInt(reader.readLine());
            if(newGroups != prev){
                groupCount++;
                groups[i] = groupCount;
                groupMainPoint[groupCount] = i;
            } else {
                int a = 1;
                int b = groupCount;
                while(a != b){
                    int mid = (a + b) / 2;
                    String query = "";
                    for (int j = a; j <= mid; j++){
                        query += " " + String.valueOf(groupMainPoint[j]);
                    }
                    query += " " + i;
                    System.out.println(String.valueOf(mid - a + 2) + query);
                    System.out.flush();

                    int currGroupCount = Integer.parseInt(reader.readLine());
                    if(currGroupCount == (mid - a + 2)){
                        b = mid;
                    } else {
                        a = mid + 1;
                    }
                    b = 1;
                }

                groups[i] = a;
            }

            prev = newGroups;
        }
        
        String ans = "0";
        for(int i = 1; i <= N; i++){
            ans += " " + String.valueOf(groups[i]);
        }
        System.out.println(ans);
        System.out.flush();
        return;
    }
}

Subtask #1
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 335 ms 13776 KB Execution failed because the return code was nonzero
2 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 296 ms 13564 KB Execution failed because the return code was nonzero
2 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 215 ms 11984 KB Output is correct
2 Execution timed out 1183 ms 15184 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1216 ms 15096 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1173 ms 14940 KB Time limit exceeded
2 Halted 0 ms 0 KB -