oj.uz

Submission #198724

# Submission time Handle Problem Language Result Execution time Memory
198724 2020-01-27T13:30:15 Z stormy_weather Art Exhibition (JOI18_art) C++14
100 / 100
 260 ms 23928 KB 
#include<iostream>
#include<vector>
#include<algorithm>
using namespace std;

int main() {
  ios_base :: sync_with_stdio(false);
  
  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:42:27: 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 5 ms 376 KB Output is correct
2 Correct 6 ms 376 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 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 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 6 ms 376 KB Output is correct
11 Correct 6 ms 376 KB Output is correct

Subtask #2
20.0 / 20.0

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

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 6 ms 376 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 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 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 6 ms 376 KB Output is correct
11 Correct 6 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 7 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 6 ms 376 KB Output is correct
20 Correct 6 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 7 ms 504 KB Output is correct
28 Correct 7 ms 632 KB Output is correct
29 Correct 8 ms 504 KB Output is correct
30 Correct 8 ms 632 KB Output is correct
31 Correct 7 ms 504 KB Output is correct
32 Correct 7 ms 504 KB Output is correct
33 Correct 8 ms 632 KB Output is correct
34 Correct 8 ms 632 KB Output is correct
35 Correct 8 ms 504 KB Output is correct
36 Correct 7 ms 504 KB Output is correct
37 Correct 7 ms 504 KB Output is correct
38 Correct 7 ms 632 KB Output is correct
39 Correct 7 ms 504 KB Output is correct
40 Correct 7 ms 504 KB Output is correct
41 Correct 7 ms 504 KB Output is correct
42 Correct 8 ms 504 KB Output is correct
43 Correct 8 ms 504 KB Output is correct
44 Correct 7 ms 504 KB Output is correct
45 Correct 7 ms 504 KB Output is correct
46 Correct 7 ms 504 KB Output is correct
47 Correct 7 ms 504 KB Output is correct
48 Correct 8 ms 504 KB Output is correct
49 Correct 7 ms 504 KB Output is correct
50 Correct 7 ms 504 KB Output is correct
51 Correct 7 ms 504 KB Output is correct

Subtask #4
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 6 ms 376 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 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 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 6 ms 376 KB Output is correct
11 Correct 6 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 7 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 6 ms 376 KB Output is correct
20 Correct 6 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 7 ms 504 KB Output is correct
28 Correct 7 ms 632 KB Output is correct
29 Correct 8 ms 504 KB Output is correct
30 Correct 8 ms 632 KB Output is correct
31 Correct 7 ms 504 KB Output is correct
32 Correct 7 ms 504 KB Output is correct
33 Correct 8 ms 632 KB Output is correct
34 Correct 8 ms 632 KB Output is correct
35 Correct 8 ms 504 KB Output is correct
36 Correct 7 ms 504 KB Output is correct
37 Correct 7 ms 504 KB Output is correct
38 Correct 7 ms 632 KB Output is correct
39 Correct 7 ms 504 KB Output is correct
40 Correct 7 ms 504 KB Output is correct
41 Correct 7 ms 504 KB Output is correct
42 Correct 8 ms 504 KB Output is correct
43 Correct 8 ms 504 KB Output is correct
44 Correct 7 ms 504 KB Output is correct
45 Correct 7 ms 504 KB Output is correct
46 Correct 7 ms 504 KB Output is correct
47 Correct 7 ms 504 KB Output is correct
48 Correct 8 ms 504 KB Output is correct
49 Correct 7 ms 504 KB Output is correct
50 Correct 7 ms 504 KB Output is correct
51 Correct 7 ms 504 KB Output is correct
52 Correct 244 ms 23800 KB Output is correct
53 Correct 253 ms 23800 KB Output is correct
54 Correct 260 ms 23800 KB Output is correct
55 Correct 253 ms 23800 KB Output is correct
56 Correct 253 ms 23800 KB Output is correct
57 Correct 246 ms 23800 KB Output is correct
58 Correct 255 ms 23800 KB Output is correct
59 Correct 245 ms 23928 KB Output is correct
60 Correct 244 ms 23928 KB Output is correct
61 Correct 244 ms 23800 KB Output is correct
62 Correct 243 ms 23800 KB Output is correct
63 Correct 250 ms 23928 KB Output is correct
64 Correct 249 ms 23800 KB Output is correct
65 Correct 249 ms 23800 KB Output is correct
66 Correct 254 ms 23928 KB Output is correct
67 Correct 251 ms 23928 KB Output is correct
68 Correct 252 ms 23928 KB Output is correct