oj.uz

Submission #1022612

# Submission time Handle Problem Language Result Execution time Memory
1022612 2024-07-13T19:22:56 Z idante Art Exhibition (JOI18_art) Java 11
100 / 100
 949 ms 109128 KB 
import java.io.*;
import java.util.*;

public class art {

  public static void main(String[] args) throws IOException {
    BufferedReader r = new BufferedReader(new InputStreamReader(System.in));

    long n = Long.parseLong(r.readLine());
    List<Artwork> a = new ArrayList<>();
    for (long i = 0; i < n; i++) {
      StringTokenizer st = new StringTokenizer(r.readLine());

      long x = Long.parseLong(st.nextToken());
      long y = Long.parseLong(st.nextToken());
      a.add(new Artwork(x, y));
    }

    // sort based off of size of the artworks
    a.sort(Comparator.comparingLong(artwork -> artwork.size));

    // prefix sum list
    List<Long> p = new ArrayList<>(Collections.nCopies((int) n, 0L));

    p.set(0, a.get(0).value);
    for (int i = 1; i < n; i++) {
      // update the prefix sum
      p.set(i, p.get(i - 1) + a.get(i).value);
    }

    long cur;
    long res = 0;

    // holds differences between prefix sums
    TreeSet<Long> m = new TreeSet<>();
    for (int i = (int) n - 1; i >= 0; i--) {
      // sum of all up to i - current size
      // i is the largest (A.max)
      m.add(p.get(i) - a.get(i).size);

      // get the maximum difference so far
      cur = m.last() - (i > 0 ? p.get(i - 1) : 0);

      // finish the expression
      cur += a.get(i).size;

      // are we larger?
      res = Math.max(res, cur);
    }
    System.out.println(res);
  }

  static class Artwork {

    long size, value;

    Artwork(long size, long value) {
      this.size = size;
      this.value = value;
    }
  }
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 17016 KB Output is correct
2 Correct 57 ms 16664 KB Output is correct
3 Correct 55 ms 15192 KB Output is correct
4 Correct 58 ms 16576 KB Output is correct
5 Correct 56 ms 16232 KB Output is correct
6 Correct 54 ms 14624 KB Output is correct
7 Correct 55 ms 14724 KB Output is correct
8 Correct 56 ms 14456 KB Output is correct
9 Correct 55 ms 16708 KB Output is correct
10 Correct 55 ms 15008 KB Output is correct
11 Correct 56 ms 14964 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 17016 KB Output is correct
2 Correct 57 ms 16664 KB Output is correct
3 Correct 55 ms 15192 KB Output is correct
4 Correct 58 ms 16576 KB Output is correct
5 Correct 56 ms 16232 KB Output is correct
6 Correct 54 ms 14624 KB Output is correct
7 Correct 55 ms 14724 KB Output is correct
8 Correct 56 ms 14456 KB Output is correct
9 Correct 55 ms 16708 KB Output is correct
10 Correct 55 ms 15008 KB Output is correct
11 Correct 56 ms 14964 KB Output is correct
12 Correct 67 ms 15096 KB Output is correct
13 Correct 71 ms 16352 KB Output is correct
14 Correct 71 ms 14368 KB Output is correct
15 Correct 71 ms 16612 KB Output is correct
16 Correct 67 ms 15116 KB Output is correct
17 Correct 74 ms 14316 KB Output is correct
18 Correct 73 ms 14156 KB Output is correct
19 Correct 69 ms 14768 KB Output is correct
20 Correct 73 ms 14912 KB Output is correct
21 Correct 67 ms 14544 KB Output is correct
22 Correct 68 ms 14640 KB Output is correct
23 Correct 69 ms 16808 KB Output is correct
24 Correct 69 ms 15076 KB Output is correct
25 Correct 68 ms 14672 KB Output is correct
26 Correct 67 ms 16856 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 17016 KB Output is correct
2 Correct 57 ms 16664 KB Output is correct
3 Correct 55 ms 15192 KB Output is correct
4 Correct 58 ms 16576 KB Output is correct
5 Correct 56 ms 16232 KB Output is correct
6 Correct 54 ms 14624 KB Output is correct
7 Correct 55 ms 14724 KB Output is correct
8 Correct 56 ms 14456 KB Output is correct
9 Correct 55 ms 16708 KB Output is correct
10 Correct 55 ms 15008 KB Output is correct
11 Correct 56 ms 14964 KB Output is correct
12 Correct 67 ms 15096 KB Output is correct
13 Correct 71 ms 16352 KB Output is correct
14 Correct 71 ms 14368 KB Output is correct
15 Correct 71 ms 16612 KB Output is correct
16 Correct 67 ms 15116 KB Output is correct
17 Correct 74 ms 14316 KB Output is correct
18 Correct 73 ms 14156 KB Output is correct
19 Correct 69 ms 14768 KB Output is correct
20 Correct 73 ms 14912 KB Output is correct
21 Correct 67 ms 14544 KB Output is correct
22 Correct 68 ms 14640 KB Output is correct
23 Correct 69 ms 16808 KB Output is correct
24 Correct 69 ms 15076 KB Output is correct
25 Correct 68 ms 14672 KB Output is correct
26 Correct 67 ms 16856 KB Output is correct
27 Correct 241 ms 19516 KB Output is correct
28 Correct 233 ms 20944 KB Output is correct
29 Correct 235 ms 18972 KB Output is correct
30 Correct 247 ms 21144 KB Output is correct
31 Correct 226 ms 18888 KB Output is correct
32 Correct 226 ms 18832 KB Output is correct
33 Correct 260 ms 18956 KB Output is correct
34 Correct 237 ms 20796 KB Output is correct
35 Correct 234 ms 21708 KB Output is correct
36 Correct 254 ms 21368 KB Output is correct
37 Correct 237 ms 21192 KB Output is correct
38 Correct 228 ms 19424 KB Output is correct
39 Correct 240 ms 21372 KB Output is correct
40 Correct 228 ms 21288 KB Output is correct
41 Correct 245 ms 19136 KB Output is correct
42 Correct 240 ms 20940 KB Output is correct
43 Correct 275 ms 18912 KB Output is correct
44 Correct 232 ms 21320 KB Output is correct
45 Correct 224 ms 21672 KB Output is correct
46 Correct 271 ms 19276 KB Output is correct
47 Correct 256 ms 18884 KB Output is correct
48 Correct 237 ms 18992 KB Output is correct
49 Correct 243 ms 18984 KB Output is correct
50 Correct 260 ms 18792 KB Output is correct
51 Correct 233 ms 18808 KB Output is correct

Subtask #4
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 17016 KB Output is correct
2 Correct 57 ms 16664 KB Output is correct
3 Correct 55 ms 15192 KB Output is correct
4 Correct 58 ms 16576 KB Output is correct
5 Correct 56 ms 16232 KB Output is correct
6 Correct 54 ms 14624 KB Output is correct
7 Correct 55 ms 14724 KB Output is correct
8 Correct 56 ms 14456 KB Output is correct
9 Correct 55 ms 16708 KB Output is correct
10 Correct 55 ms 15008 KB Output is correct
11 Correct 56 ms 14964 KB Output is correct
12 Correct 67 ms 15096 KB Output is correct
13 Correct 71 ms 16352 KB Output is correct
14 Correct 71 ms 14368 KB Output is correct
15 Correct 71 ms 16612 KB Output is correct
16 Correct 67 ms 15116 KB Output is correct
17 Correct 74 ms 14316 KB Output is correct
18 Correct 73 ms 14156 KB Output is correct
19 Correct 69 ms 14768 KB Output is correct
20 Correct 73 ms 14912 KB Output is correct
21 Correct 67 ms 14544 KB Output is correct
22 Correct 68 ms 14640 KB Output is correct
23 Correct 69 ms 16808 KB Output is correct
24 Correct 69 ms 15076 KB Output is correct
25 Correct 68 ms 14672 KB Output is correct
26 Correct 67 ms 16856 KB Output is correct
27 Correct 241 ms 19516 KB Output is correct
28 Correct 233 ms 20944 KB Output is correct
29 Correct 235 ms 18972 KB Output is correct
30 Correct 247 ms 21144 KB Output is correct
31 Correct 226 ms 18888 KB Output is correct
32 Correct 226 ms 18832 KB Output is correct
33 Correct 260 ms 18956 KB Output is correct
34 Correct 237 ms 20796 KB Output is correct
35 Correct 234 ms 21708 KB Output is correct
36 Correct 254 ms 21368 KB Output is correct
37 Correct 237 ms 21192 KB Output is correct
38 Correct 228 ms 19424 KB Output is correct
39 Correct 240 ms 21372 KB Output is correct
40 Correct 228 ms 21288 KB Output is correct
41 Correct 245 ms 19136 KB Output is correct
42 Correct 240 ms 20940 KB Output is correct
43 Correct 275 ms 18912 KB Output is correct
44 Correct 232 ms 21320 KB Output is correct
45 Correct 224 ms 21672 KB Output is correct
46 Correct 271 ms 19276 KB Output is correct
47 Correct 256 ms 18884 KB Output is correct
48 Correct 237 ms 18992 KB Output is correct
49 Correct 243 ms 18984 KB Output is correct
50 Correct 260 ms 18792 KB Output is correct
51 Correct 233 ms 18808 KB Output is correct
52 Correct 936 ms 107180 KB Output is correct
53 Correct 828 ms 97876 KB Output is correct
54 Correct 911 ms 100020 KB Output is correct
55 Correct 895 ms 98280 KB Output is correct
56 Correct 929 ms 97944 KB Output is correct
57 Correct 940 ms 98632 KB Output is correct
58 Correct 891 ms 99972 KB Output is correct
59 Correct 890 ms 98636 KB Output is correct
60 Correct 923 ms 98460 KB Output is correct
61 Correct 949 ms 109128 KB Output is correct
62 Correct 859 ms 97828 KB Output is correct
63 Correct 891 ms 98108 KB Output is correct
64 Correct 819 ms 99400 KB Output is correct
65 Correct 847 ms 99868 KB Output is correct
66 Correct 860 ms 98060 KB Output is correct
67 Correct 846 ms 97656 KB Output is correct
68 Correct 868 ms 98016 KB Output is correct