CSES - Datatähti Open 2017

Submission details
Task:	Mex value
Sender:	ruhanhabib39
Submission time:	2017-01-20 17:41:58 +0200
Language:	Java
Status:	READY
Result:	100

Feedback
group	verdict	score
#1	ACCEPTED	28
#2	ACCEPTED	72

Test results
test	verdict	time	group
#1	ACCEPTED	0.14 s	1	details
#2	ACCEPTED	0.14 s	1	details
#3	ACCEPTED	0.13 s	1	details
#4	ACCEPTED	0.15 s	1	details
#5	ACCEPTED	0.12 s	1	details
#6	ACCEPTED	0.13 s	1	details
#7	ACCEPTED	0.12 s	1	details
#8	ACCEPTED	0.13 s	1	details
#9	ACCEPTED	0.15 s	1	details
#10	ACCEPTED	0.12 s	1	details
#11	ACCEPTED	0.55 s	2	details
#12	ACCEPTED	0.56 s	2	details
#13	ACCEPTED	0.60 s	2	details
#14	ACCEPTED	0.56 s	2	details
#15	ACCEPTED	0.54 s	2	details
#16	ACCEPTED	0.57 s	2	details
#17	ACCEPTED	0.57 s	2	details
#18	ACCEPTED	0.66 s	2	details
#19	ACCEPTED	0.61 s	2	details
#20	ACCEPTED	0.54 s	2	details

Code

import java.io.*;
import java.util.*;

public class B {
   public static void main(String[] args) throws IOException {
      BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
      PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.out)));
      (new B()).solve(in, out);
      out.close();
   }

   private int n, k;
   private int[] x;
   private TreeSet<Integer> mex;
   private Map<Integer,Integer> mp;
   private int res = 0;

   private void add(int num) {
      // System.err.println("add\nnum = " + num);
      // System.err.println("res = " + res);
      Integer cc = mp.get(num);
      if(cc == null) {
         mex.remove(num);
         mp.put(num, 1);
      } else {
         mp.put(num, cc + 1);
      }
      res = mex.first();
   }

   private void rem(int num) {
      // System.err.println("rem\nnum = " + num);
      // System.err.println("res = " + res);
      int cc = mp.get(num); cc--;
      mp.put(num, cc);
      if(cc == 0) {
         mex.add(num); mp.remove(num);
      }
      res = mex.first();
   }

   public void solve(BufferedReader in, PrintWriter out) throws IOException {
      String[] tok = in.readLine().split(" ");
      n = Integer.parseInt(tok[0]);
      k = Integer.parseInt(tok[1]);
      tok = in.readLine().split(" ");
      x = new int[tok.length];

      for(int i = 0; i < x.length; i++) {
         x[i] = Integer.parseInt(tok[i]);
      }

      mex = new TreeSet<Integer>();
      mex.add(0);

      for(int num : x) {
         mex.add(num+1); mex.add(num);
      }

      mp = new HashMap<Integer,Integer>();

      for(int i = 0; i < k; i++) {
         add(x[i]);
      }

      out.print(res);

      for(int l = 1; l+k-1 < x.length; l++) {
         // System.err.println("[ " + l + ", " + (l+k-1) + "]");
         rem(x[l-1]); add(x[l+k-1]);
         out.print(" " + res);
      }

      out.println();
   }
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
`100 10 1000000000 9 1 0 5 7 2 8 6 3 4...` view save

correct output
`4 10 9 1 1 1 1 1 1 1 1 4 10 3 ...` view save

user output
`4 10 9 1 1 1 1 1 1 1 1 4 10 3 ...` view save

Test 2

Group: 1

Verdict: ACCEPTED

input
`100 10 1000000000 4 3 8 1 0 9 5 7 2 6...` view save

correct output
`6 10 4 3 3 1 1 1 1 1 3 3 10 6 ...` view save

user output
`6 10 4 3 3 1 1 1 1 1 3 3 10 6 ...` view save

Test 3

Group: 1

Verdict: ACCEPTED

input
`100 10 1000000000 9 2 3 1 0 8 5 6 4 7...` view save

correct output
`7 10 9 2 2 1 0 1 1 1 2 9 10 4 ...` view save

user output
`7 10 9 2 2 1 0 1 1 1 2 9 10 4 ...` view save

Test 4

Group: 1

Verdict: ACCEPTED

input
`100 10 1000000000 3 0 4 6 5 7 1 2 8 9...` view save

correct output
`9 10 3 0 0 0 0 0 4 2 2 2 10 6 ...` view save

user output
`9 10 3 0 0 0 0 0 4 2 2 2 10 6 ...` view save

Test 5

Group: 1

Verdict: ACCEPTED

input
`100 10 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 ...` view save

correct output
`10 10 10 10 10 10 10 10 10 10 ...` view save

user output
`10 10 10 10 10 10 10 10 10 10 ...` view save

Test 6

Group: 1

Verdict: ACCEPTED

input
`100 10 1000000000 0 5 1 9 3 4 6 7 2 8...` view save

correct output
`8 10 0 5 1 1 1 1 1 5 2 5 10 0 ...` view save

user output
`8 10 0 5 1 1 1 1 1 5 2 5 10 0 ...` view save

Test 7

Group: 1

Verdict: ACCEPTED

input
`100 10 1000000000 1 2 9 3 8 0 4 7 5 6...` view save

correct output
`6 10 1 1 1 1 2 0 0 2 3 9 10 6 ...` view save

user output
`6 10 1 1 1 1 2 0 0 2 3 9 10 6 ...` view save

Test 8

Group: 1

Verdict: ACCEPTED

input
`100 10 1000000000 5 0 6 7 1 4 8 3 9 2...` view save

correct output
`2 10 5 0 0 0 0 0 0 0 0 1 10 9 ...` view save

user output
`2 10 5 0 0 0 0 0 0 0 0 1 10 9 ...` view save

Test 9

Group: 1

Verdict: ACCEPTED

input
`100 10 1000000000 7 3 0 1 4 9 2 5 6 8...` view save

correct output
`8 10 7 3 0 0 0 0 7 5 5 5 10 8 ...` view save

user output
`8 10 7 3 0 0 0 0 7 5 5 5 10 8 ...` view save

Test 10

Group: 1

Verdict: ACCEPTED

input
`100 10 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 ...` view save

correct output
`10 10 10 10 10 10 10 10 10 10 ...` view save

user output
`10 10 10 10 10 10 10 10 10 10 ...` view save

Test 11

Group: 2

Verdict: ACCEPTED

input
`100000 10000 1000000000 4786 3512 3285 1919...` view save

correct output
`9547 10000 4786 3512 3285 1919...` view save

user output
`9547 10000 4786 3512 3285 1919...` view save

Test 12

Group: 2

Verdict: ACCEPTED

input
`100000 10000 1000000000 7981 3955 790 45 34...` view save

correct output
`7657 10000 7981 3955 790 45 45...` view save

user output
`7657 10000 7981 3955 790 45 45...` view save

Test 13

Group: 2

Verdict: ACCEPTED

input
`100000 10000 1000000000 2329 1825 9435 3800...` view save

correct output
`5701 10000 2329 1825 1825 1825...` view save

user output
`5701 10000 2329 1825 1825 1825...` view save

Test 14

Group: 2

Verdict: ACCEPTED

input
`100000 10000 1000000000 2754 6029 8007 6286...` view save

correct output
`1423 10000 2754 2754 2754 2754...` view save

user output
`1423 10000 2754 2754 2754 2754...` view save

Test 15

Group: 2

Verdict: ACCEPTED

input
`100000 10000 0 1 2 3 4 5 6 7 8 9 10 11 12 1...` view save

correct output
`10000 10000 10000 10000 10000 ...` view save

user output
`10000 10000 10000 10000 10000 ...` view save

Test 16

Group: 2

Verdict: ACCEPTED

input
`100000 10000 1000000000 7560 4634 7044 3853...` view save

correct output
`9855 10000 7560 4634 4634 3853...` view save

user output
`9855 10000 7560 4634 4634 3853...` view save

Test 17

Group: 2

Verdict: ACCEPTED

input
`100000 10000 1000000000 7945 6674 3975 3002...` view save

correct output
`6373 10000 7945 6674 3975 3002...` view save

user output
`6373 10000 7945 6674 3975 3002...` view save

Test 18

Group: 2

Verdict: ACCEPTED

input
`100000 10000 1000000000 2506 6827 6871 8593...` view save

correct output
`2978 10000 2506 2506 2506 2506...` view save

user output
`2978 10000 2506 2506 2506 2506...` view save

Test 19

Group: 2

Verdict: ACCEPTED

input
`100000 10000 1000000000 2769 5036 539 4409 ...` view save

correct output
`2249 10000 2769 2769 539 539 5...` view save

user output
`2249 10000 2769 2769 539 539 5...` view save

Test 20

Group: 2

Verdict: ACCEPTED

input
`100000 10000 0 1 2 3 4 5 6 7 8 9 10 11 12 1...` view save

correct output
`10000 10000 10000 10000 10000 ...` view save

user output
`10000 10000 10000 10000 10000 ...` view save

Datatähti Open 2017

Mex value

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Tasks

Submissions (ruhanhabib39)