oj.uz

Submission #198721

# Submission time Handle Problem Language Result Execution time Memory
198721 2020-01-27T13:25:35 Z stormy_weather Art Exhibition (JOI18_art) C++14
50 / 100
 1000 ms 36860 KB 
#include<iostream>
#include<vector>
#include<algorithm>
using namespace std;

int main() {
  int n; cin >> n;

  vector <pair <int64_t, int>> values(n);
  for (int i = 0; i < n; i++) {
    cin >> values[i].first >> values[i].second;
  }

  sort(values.begin(), values.end());

  vector <int64_t> p_sum(n);
  for (int i = 0; i < n; i++) {
    p_sum[i] = i > 0 ? p_sum[i - 1] + values[i].second : values[i].second;
  }

  //we determine our functions
  vector <int64_t> first_part(n), second_part(n);
  for (int i = 0; i < n; i++) {
    first_part[i] = p_sum[i] - values[i].first;
    second_part[i] = i > 0 ? p_sum[i - 1] - values[i].first : -1 * values[i].first;
  }

  vector <int64_t> min_second_part(n);
  int64_t min = second_part[0];
  for (int i = 0; i < n; i++) {
    if (second_part[i] <= min)
      min = second_part[i];
    min_second_part[i] = min;
  }

  //we determine our max difference
  int64_t max_dif;
  for (int i = 0; i < n; i++) {
    int64_t cur_dif = first_part[i] - min_second_part[i];
    if (i == 0 || cur_dif > max_dif)
      max_dif = cur_dif;
  }

  cout << max_dif << "\n";

  return 0;
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:40:27: warning: 'max_dif' may be used uninitialized in this function [-Wmaybe-uninitialized]
     if (i == 0 || cur_dif > max_dif)
                   ~~~~~~~~^~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 6 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 5 ms 256 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 6 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 6 ms 376 KB Output is correct
14 Correct 6 ms 376 KB Output is correct
15 Correct 6 ms 376 KB Output is correct
16 Correct 6 ms 376 KB Output is correct
17 Correct 6 ms 376 KB Output is correct
18 Correct 6 ms 376 KB Output is correct
19 Correct 6 ms 376 KB Output is correct
20 Correct 7 ms 376 KB Output is correct
21 Correct 6 ms 508 KB Output is correct
22 Correct 6 ms 376 KB Output is correct
23 Correct 6 ms 376 KB Output is correct
24 Correct 6 ms 376 KB Output is correct
25 Correct 6 ms 376 KB Output is correct
26 Correct 6 ms 376 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 6 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 6 ms 376 KB Output is correct
14 Correct 6 ms 376 KB Output is correct
15 Correct 6 ms 376 KB Output is correct
16 Correct 6 ms 376 KB Output is correct
17 Correct 6 ms 376 KB Output is correct
18 Correct 6 ms 376 KB Output is correct
19 Correct 6 ms 376 KB Output is correct
20 Correct 7 ms 376 KB Output is correct
21 Correct 6 ms 508 KB Output is correct
22 Correct 6 ms 376 KB Output is correct
23 Correct 6 ms 376 KB Output is correct
24 Correct 6 ms 376 KB Output is correct
25 Correct 6 ms 376 KB Output is correct
26 Correct 6 ms 376 KB Output is correct
27 Correct 14 ms 808 KB Output is correct
28 Correct 15 ms 632 KB Output is correct
29 Correct 13 ms 632 KB Output is correct
30 Correct 14 ms 632 KB Output is correct
31 Correct 13 ms 632 KB Output is correct
32 Correct 14 ms 632 KB Output is correct
33 Correct 14 ms 760 KB Output is correct
34 Correct 14 ms 632 KB Output is correct
35 Correct 14 ms 636 KB Output is correct
36 Correct 13 ms 760 KB Output is correct
37 Correct 14 ms 632 KB Output is correct
38 Correct 13 ms 632 KB Output is correct
39 Correct 14 ms 632 KB Output is correct
40 Correct 14 ms 760 KB Output is correct
41 Correct 13 ms 636 KB Output is correct
42 Correct 14 ms 632 KB Output is correct
43 Correct 13 ms 632 KB Output is correct
44 Correct 14 ms 760 KB Output is correct
45 Correct 14 ms 632 KB Output is correct
46 Correct 14 ms 632 KB Output is correct
47 Correct 14 ms 632 KB Output is correct
48 Correct 14 ms 632 KB Output is correct
49 Correct 14 ms 632 KB Output is correct
50 Correct 13 ms 632 KB Output is correct
51 Correct 14 ms 760 KB Output is correct

Subtask #4
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 6 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 6 ms 376 KB Output is correct
14 Correct 6 ms 376 KB Output is correct
15 Correct 6 ms 376 KB Output is correct
16 Correct 6 ms 376 KB Output is correct
17 Correct 6 ms 376 KB Output is correct
18 Correct 6 ms 376 KB Output is correct
19 Correct 6 ms 376 KB Output is correct
20 Correct 7 ms 376 KB Output is correct
21 Correct 6 ms 508 KB Output is correct
22 Correct 6 ms 376 KB Output is correct
23 Correct 6 ms 376 KB Output is correct
24 Correct 6 ms 376 KB Output is correct
25 Correct 6 ms 376 KB Output is correct
26 Correct 6 ms 376 KB Output is correct
27 Correct 14 ms 808 KB Output is correct
28 Correct 15 ms 632 KB Output is correct
29 Correct 13 ms 632 KB Output is correct
30 Correct 14 ms 632 KB Output is correct
31 Correct 13 ms 632 KB Output is correct
32 Correct 14 ms 632 KB Output is correct
33 Correct 14 ms 760 KB Output is correct
34 Correct 14 ms 632 KB Output is correct
35 Correct 14 ms 636 KB Output is correct
36 Correct 13 ms 760 KB Output is correct
37 Correct 14 ms 632 KB Output is correct
38 Correct 13 ms 632 KB Output is correct
39 Correct 14 ms 632 KB Output is correct
40 Correct 14 ms 760 KB Output is correct
41 Correct 13 ms 636 KB Output is correct
42 Correct 14 ms 632 KB Output is correct
43 Correct 13 ms 632 KB Output is correct
44 Correct 14 ms 760 KB Output is correct
45 Correct 14 ms 632 KB Output is correct
46 Correct 14 ms 632 KB Output is correct
47 Correct 14 ms 632 KB Output is correct
48 Correct 14 ms 632 KB Output is correct
49 Correct 14 ms 632 KB Output is correct
50 Correct 13 ms 632 KB Output is correct
51 Correct 14 ms 760 KB Output is correct
52 Correct 851 ms 36492 KB Output is correct
53 Correct 854 ms 36728 KB Output is correct
54 Correct 846 ms 36620 KB Output is correct
55 Correct 838 ms 36616 KB Output is correct
56 Correct 857 ms 36856 KB Output is correct
57 Correct 849 ms 36728 KB Output is correct
58 Correct 854 ms 36728 KB Output is correct
59 Correct 854 ms 36604 KB Output is correct
60 Correct 843 ms 36744 KB Output is correct
61 Correct 849 ms 36856 KB Output is correct
62 Correct 854 ms 36704 KB Output is correct
63 Correct 846 ms 36728 KB Output is correct
64 Correct 849 ms 36704 KB Output is correct
65 Correct 851 ms 36600 KB Output is correct
66 Correct 854 ms 36600 KB Output is correct
67 Correct 840 ms 36860 KB Output is correct
68 Execution timed out 1022 ms 36472 KB Time limit exceeded