oj.uz

Submission #348265

# Submission time Handle Problem Language Result Execution time Memory
348265 2021-01-14T12:57:01 Z MrDomino Safety (NOI18_safety) C++14
33 / 100
 2000 ms 1476 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
#define int ll

multiset<int> local_minimum(multiset<int> s, int h) {
  assert((int) s.size() % 2 == 0);
  multiset<int> s2;
  int slope = -(int) s.size() / 2;
  for (auto &x : s) {
    if (slope < 0) {
      s2.insert(x - h);
    }
    if (slope >= 0) {
      s2.insert(x + h);
    }
    slope++;
  }
  return s2;
}


int get(multiset<int> s, int a, int b) {
  int n = (int) s.size();
  vector<int> xs;
  for (auto &it : s) {
    xs.push_back(it);
  }
  for (int i = n - 1; i >= 0; i--) {
    b += xs[i];
    a--;
    if (a == 0) {
      return b;
    }
  }
  assert(0);
}



signed main() {
  ios::sync_with_stdio(0); cin.tie(0);

  multiset<int> s;
  int n, h, x, b = 0;
  cin >> n >> h >> x;
  s.insert(x);
  s.insert(x);
  b = -x;

  for (int i = 2; i <= n; i++) {
    s = local_minimum(s, h);
    cin >> x;
    b -= (i - 1) * h; /// I have no clue why this happens lol
    s.insert(x);
    s.insert(x);
    auto it = s.end();
    it--;
    b -= x;
  }
  cout << get(s, (int) s.size() / 2, b) << "\n";
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2017 ms 1476 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 31 ms 492 KB Output is correct
14 Correct 30 ms 748 KB Output is correct
15 Correct 29 ms 492 KB Output is correct
16 Correct 31 ms 492 KB Output is correct
17 Correct 24 ms 492 KB Output is correct
18 Correct 17 ms 492 KB Output is correct
19 Correct 28 ms 492 KB Output is correct

Subtask #6
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 31 ms 492 KB Output is correct
14 Correct 30 ms 748 KB Output is correct
15 Correct 29 ms 492 KB Output is correct
16 Correct 31 ms 492 KB Output is correct
17 Correct 24 ms 492 KB Output is correct
18 Correct 17 ms 492 KB Output is correct
19 Correct 28 ms 492 KB Output is correct
20 Correct 27 ms 492 KB Output is correct
21 Correct 31 ms 472 KB Output is correct
22 Correct 22 ms 492 KB Output is correct
23 Correct 18 ms 492 KB Output is correct
24 Correct 27 ms 492 KB Output is correct
25 Correct 19 ms 492 KB Output is correct
26 Correct 31 ms 492 KB Output is correct
27 Correct 27 ms 492 KB Output is correct

Subtask #7
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 31 ms 492 KB Output is correct
14 Correct 30 ms 748 KB Output is correct
15 Correct 29 ms 492 KB Output is correct
16 Correct 31 ms 492 KB Output is correct
17 Correct 24 ms 492 KB Output is correct
18 Correct 17 ms 492 KB Output is correct
19 Correct 28 ms 492 KB Output is correct
20 Correct 27 ms 492 KB Output is correct
21 Correct 31 ms 472 KB Output is correct
22 Correct 22 ms 492 KB Output is correct
23 Correct 18 ms 492 KB Output is correct
24 Correct 27 ms 492 KB Output is correct
25 Correct 19 ms 492 KB Output is correct
26 Correct 31 ms 492 KB Output is correct
27 Correct 27 ms 492 KB Output is correct
28 Execution timed out 2085 ms 1296 KB Time limit exceeded
29 Halted 0 ms 0 KB -

Subtask #8
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 492 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 0 ms 364 KB Output is correct
19 Correct 31 ms 492 KB Output is correct
20 Correct 30 ms 748 KB Output is correct
21 Correct 29 ms 492 KB Output is correct
22 Correct 31 ms 492 KB Output is correct
23 Correct 24 ms 492 KB Output is correct
24 Correct 17 ms 492 KB Output is correct
25 Correct 28 ms 492 KB Output is correct
26 Correct 27 ms 492 KB Output is correct
27 Correct 31 ms 472 KB Output is correct
28 Correct 22 ms 492 KB Output is correct
29 Correct 18 ms 492 KB Output is correct
30 Correct 27 ms 492 KB Output is correct
31 Correct 19 ms 492 KB Output is correct
32 Correct 31 ms 492 KB Output is correct
33 Correct 27 ms 492 KB Output is correct
34 Execution timed out 2085 ms 1296 KB Time limit exceeded
35 Halted 0 ms 0 KB -

Subtask #9
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 492 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 0 ms 364 KB Output is correct
19 Execution timed out 2017 ms 1476 KB Time limit exceeded
20 Halted 0 ms 0 KB -