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Submission #348282

# Submission time Handle Problem Language Result Execution time Memory
348282 2021-01-14T13:22:27 Z MrDomino Safety (NOI18_safety) C++14
100 / 100
 445 ms 60896 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
#define int ll

multiset<int> form(multiset<int> s1, multiset<int> s2, int add1, int add2) {
  multiset<int> s;
  for (auto &x : s1) {
    s.insert(x + add1);
  }
  for (auto &x : s2) {
    s.insert(x + add2);
  }
  return s;
}

void print(multiset<int> s) {
  cout << " : ";
  for (auto &x : s) {
    cout << x << " ";
  }
  cout << "\n";
}


int get(multiset<int> s, int a, unsigned long long 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> s1, s2;
  int n, h, x, add1 = 0, add2 = 0;
  unsigned long long b = 0;
  cin >> n >> h >> x;
  s1.insert(x);
  s2.insert(x);
  b = -x;

  for (int i = 2; i <= n; i++) {
    b -= (i - 1) * h;
    add1 -= h;
    add2 += h;
    int cut = *s2.begin() + add2;
    int x;
    cin >> x;
    b -= x;
    if (x < cut) {
      s1.insert(x - add1);
      s1.insert(x - add1);
      auto it = s1.end();
      it--;
      int val = *it + add1;
      s1.erase(it);
      s2.insert(val - add2);
    } else {
      s2.insert(x - add2);
      s2.insert(x - add2);
      auto it = s2.begin();
      int val = *it + add2;
      s2.erase(it);
      s1.insert(val - add1);
    }
  }
  multiset<int> s = form(s1, s2, add1, add2);
  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 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 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 0 ms 364 KB Output is correct
2 Correct 0 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 364 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 278 ms 41564 KB Output is correct
2 Correct 413 ms 57312 KB Output is correct
3 Correct 432 ms 59484 KB Output is correct

Subtask #5
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 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 0 ms 364 KB Output is correct
9 Correct 0 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 492 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 1 ms 492 KB Output is correct
19 Correct 2 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 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 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 0 ms 364 KB Output is correct
9 Correct 0 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 492 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 1 ms 492 KB Output is correct
19 Correct 2 ms 492 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 1 ms 492 KB Output is correct
22 Correct 1 ms 492 KB Output is correct
23 Correct 1 ms 492 KB Output is correct
24 Correct 1 ms 492 KB Output is correct
25 Correct 1 ms 492 KB Output is correct
26 Correct 1 ms 492 KB Output is correct
27 Correct 1 ms 492 KB Output is correct

Subtask #7
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 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 0 ms 364 KB Output is correct
9 Correct 0 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 492 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 1 ms 492 KB Output is correct
19 Correct 2 ms 492 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 1 ms 492 KB Output is correct
22 Correct 1 ms 492 KB Output is correct
23 Correct 1 ms 492 KB Output is correct
24 Correct 1 ms 492 KB Output is correct
25 Correct 1 ms 492 KB Output is correct
26 Correct 1 ms 492 KB Output is correct
27 Correct 1 ms 492 KB Output is correct
28 Correct 6 ms 1900 KB Output is correct
29 Correct 6 ms 1772 KB Output is correct
30 Correct 6 ms 2044 KB Output is correct
31 Correct 5 ms 1644 KB Output is correct
32 Correct 5 ms 1644 KB Output is correct
33 Correct 7 ms 1900 KB Output is correct
34 Correct 6 ms 1900 KB Output is correct

Subtask #8
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 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 0 ms 364 KB Output is correct
9 Correct 0 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 364 KB Output is correct
14 Correct 1 ms 492 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 0 ms 364 KB Output is correct
18 Correct 0 ms 364 KB Output is correct
19 Correct 1 ms 492 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 1 ms 492 KB Output is correct
22 Correct 1 ms 492 KB Output is correct
23 Correct 1 ms 492 KB Output is correct
24 Correct 1 ms 492 KB Output is correct
25 Correct 2 ms 492 KB Output is correct
26 Correct 1 ms 492 KB Output is correct
27 Correct 1 ms 492 KB Output is correct
28 Correct 1 ms 492 KB Output is correct
29 Correct 1 ms 492 KB Output is correct
30 Correct 1 ms 492 KB Output is correct
31 Correct 1 ms 492 KB Output is correct
32 Correct 1 ms 492 KB Output is correct
33 Correct 1 ms 492 KB Output is correct
34 Correct 6 ms 1900 KB Output is correct
35 Correct 6 ms 1772 KB Output is correct
36 Correct 6 ms 2044 KB Output is correct
37 Correct 5 ms 1644 KB Output is correct
38 Correct 5 ms 1644 KB Output is correct
39 Correct 7 ms 1900 KB Output is correct
40 Correct 6 ms 1900 KB Output is correct
41 Correct 7 ms 1900 KB Output is correct
42 Correct 5 ms 1516 KB Output is correct
43 Correct 6 ms 1900 KB Output is correct
44 Correct 6 ms 1900 KB Output is correct
45 Correct 5 ms 1772 KB Output is correct
46 Correct 5 ms 1644 KB Output is correct

Subtask #9
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 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 0 ms 364 KB Output is correct
9 Correct 0 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 364 KB Output is correct
14 Correct 1 ms 492 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 0 ms 364 KB Output is correct
18 Correct 0 ms 364 KB Output is correct
19 Correct 278 ms 41564 KB Output is correct
20 Correct 413 ms 57312 KB Output is correct
21 Correct 432 ms 59484 KB Output is correct
22 Correct 1 ms 492 KB Output is correct
23 Correct 1 ms 492 KB Output is correct
24 Correct 1 ms 492 KB Output is correct
25 Correct 1 ms 492 KB Output is correct
26 Correct 1 ms 492 KB Output is correct
27 Correct 1 ms 492 KB Output is correct
28 Correct 2 ms 492 KB Output is correct
29 Correct 1 ms 492 KB Output is correct
30 Correct 1 ms 492 KB Output is correct
31 Correct 1 ms 492 KB Output is correct
32 Correct 1 ms 492 KB Output is correct
33 Correct 1 ms 492 KB Output is correct
34 Correct 1 ms 492 KB Output is correct
35 Correct 1 ms 492 KB Output is correct
36 Correct 1 ms 492 KB Output is correct
37 Correct 6 ms 1900 KB Output is correct
38 Correct 6 ms 1772 KB Output is correct
39 Correct 6 ms 2044 KB Output is correct
40 Correct 5 ms 1644 KB Output is correct
41 Correct 5 ms 1644 KB Output is correct
42 Correct 7 ms 1900 KB Output is correct
43 Correct 6 ms 1900 KB Output is correct
44 Correct 7 ms 1900 KB Output is correct
45 Correct 5 ms 1516 KB Output is correct
46 Correct 6 ms 1900 KB Output is correct
47 Correct 6 ms 1900 KB Output is correct
48 Correct 5 ms 1772 KB Output is correct
49 Correct 5 ms 1644 KB Output is correct
50 Correct 445 ms 60896 KB Output is correct
51 Correct 352 ms 51168 KB Output is correct
52 Correct 253 ms 49372 KB Output is correct
53 Correct 290 ms 58688 KB Output is correct
54 Correct 275 ms 60380 KB Output is correct
55 Correct 248 ms 51812 KB Output is correct
56 Correct 275 ms 56540 KB Output is correct
57 Correct 252 ms 52188 KB Output is correct
58 Correct 222 ms 45532 KB Output is correct
59 Correct 282 ms 57436 KB Output is correct