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답안 #224225

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
224225 2020-04-17T14:11:27 Z bortoz Pilot (NOI19_pilot) C++17
89 / 100
 1000 ms 55488 KB 
#pragma GCC optimize("O3")
#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
#define fi first
#define se second

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

  int N, Q;
  cin >> N >> Q;

  vector<pair<int, int>> H(N);

  for (int i = 0; i < N; i++) {
    cin >> H[i].fi;
    H[i].se = i;
  }
  sort(H.begin(), H.end());

  vector<bool> vis(N);
  vector<int> par(N), left(N), right(N);
  iota(par.begin(), par.end(), 0);
  iota(left.begin(), left.end(), 0);
  iota(right.begin(), right.end(), 1);

  function<ll(int)> way = [&](int v) {
    return 1ll * (right[v] - left[v]) * (right[v] - left[v] + 1) / 2;
  };

  function<int(int)> find = [&](int v) {
    return v == par[v] ? v : (par[v] = find(par[v]));
  };

  function<ll(int, int)> merge = [&](int a, int b) {
    a = find(a), b = find(b);
    ll r = way(a) + way(b);
    par[a] = b;
    left[b] = left[a];
    return way(b) - r;
  };

  ll sum = 0;
  vector<pair<int, ll>> res;
  for (auto [h, x] : H) {
    vis[x] = true;
    if (x > 0 && vis[x - 1]) {
      sum += merge(x - 1, x);
    }
    if (x + 1 < N && vis[x + 1]) {
      sum += merge(x, x + 1);
    }
    res.emplace_back(h, sum += 1);
  }

  for (int i = 0; i < Q; i++) {
    int Y;
    cin >> Y;
    auto it = upper_bound(res.begin(), res.end(), make_pair(Y, (ll)1e18));
    cout << (it == res.begin() ? 0ll : prev(it)->se) << '\n';
  }

  return 0;
}

Subtask #1
3.0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 512 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 512 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct

Subtask #3
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 512 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 512 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct

Subtask #5
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 36 ms 4592 KB Output is correct
2 Correct 35 ms 4592 KB Output is correct
3 Correct 32 ms 4592 KB Output is correct
4 Correct 32 ms 4464 KB Output is correct
5 Correct 32 ms 4464 KB Output is correct

Subtask #6
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 57 ms 4844 KB Output is correct
2 Correct 59 ms 4972 KB Output is correct
3 Correct 53 ms 4844 KB Output is correct
4 Correct 54 ms 4972 KB Output is correct
5 Correct 52 ms 4808 KB Output is correct

Subtask #7
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 60 ms 4972 KB Output is correct
2 Correct 58 ms 4844 KB Output is correct
3 Correct 60 ms 4844 KB Output is correct
4 Correct 61 ms 5096 KB Output is correct
5 Correct 61 ms 4968 KB Output is correct

Subtask #8
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 512 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 36 ms 4592 KB Output is correct
12 Correct 35 ms 4592 KB Output is correct
13 Correct 32 ms 4592 KB Output is correct
14 Correct 32 ms 4464 KB Output is correct
15 Correct 32 ms 4464 KB Output is correct
16 Correct 32 ms 4464 KB Output is correct
17 Correct 33 ms 4592 KB Output is correct
18 Correct 35 ms 4592 KB Output is correct
19 Correct 31 ms 4464 KB Output is correct
20 Correct 33 ms 4592 KB Output is correct
21 Correct 31 ms 4472 KB Output is correct
22 Correct 32 ms 4464 KB Output is correct
23 Correct 34 ms 4592 KB Output is correct
24 Correct 31 ms 4472 KB Output is correct
25 Correct 33 ms 4600 KB Output is correct

Subtask #9
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 512 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 36 ms 4592 KB Output is correct
27 Correct 35 ms 4592 KB Output is correct
28 Correct 32 ms 4592 KB Output is correct
29 Correct 32 ms 4464 KB Output is correct
30 Correct 32 ms 4464 KB Output is correct
31 Correct 57 ms 4844 KB Output is correct
32 Correct 59 ms 4972 KB Output is correct
33 Correct 53 ms 4844 KB Output is correct
34 Correct 54 ms 4972 KB Output is correct
35 Correct 52 ms 4808 KB Output is correct
36 Correct 60 ms 4972 KB Output is correct
37 Correct 58 ms 4844 KB Output is correct
38 Correct 60 ms 4844 KB Output is correct
39 Correct 61 ms 5096 KB Output is correct
40 Correct 61 ms 4968 KB Output is correct
41 Correct 32 ms 4464 KB Output is correct
42 Correct 33 ms 4592 KB Output is correct
43 Correct 35 ms 4592 KB Output is correct
44 Correct 31 ms 4464 KB Output is correct
45 Correct 33 ms 4592 KB Output is correct
46 Correct 31 ms 4472 KB Output is correct
47 Correct 32 ms 4464 KB Output is correct
48 Correct 34 ms 4592 KB Output is correct
49 Correct 31 ms 4472 KB Output is correct
50 Correct 33 ms 4600 KB Output is correct
51 Correct 65 ms 4876 KB Output is correct
52 Correct 70 ms 4588 KB Output is correct
53 Correct 66 ms 4972 KB Output is correct
54 Correct 69 ms 4588 KB Output is correct
55 Correct 64 ms 4848 KB Output is correct

Subtask #10
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 512 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 36 ms 4592 KB Output is correct
27 Correct 35 ms 4592 KB Output is correct
28 Correct 32 ms 4592 KB Output is correct
29 Correct 32 ms 4464 KB Output is correct
30 Correct 32 ms 4464 KB Output is correct
31 Correct 57 ms 4844 KB Output is correct
32 Correct 59 ms 4972 KB Output is correct
33 Correct 53 ms 4844 KB Output is correct
34 Correct 54 ms 4972 KB Output is correct
35 Correct 52 ms 4808 KB Output is correct
36 Correct 60 ms 4972 KB Output is correct
37 Correct 58 ms 4844 KB Output is correct
38 Correct 60 ms 4844 KB Output is correct
39 Correct 61 ms 5096 KB Output is correct
40 Correct 61 ms 4968 KB Output is correct
41 Correct 32 ms 4464 KB Output is correct
42 Correct 33 ms 4592 KB Output is correct
43 Correct 35 ms 4592 KB Output is correct
44 Correct 31 ms 4464 KB Output is correct
45 Correct 33 ms 4592 KB Output is correct
46 Correct 31 ms 4472 KB Output is correct
47 Correct 32 ms 4464 KB Output is correct
48 Correct 34 ms 4592 KB Output is correct
49 Correct 31 ms 4472 KB Output is correct
50 Correct 33 ms 4600 KB Output is correct
51 Correct 65 ms 4876 KB Output is correct
52 Correct 70 ms 4588 KB Output is correct
53 Correct 66 ms 4972 KB Output is correct
54 Correct 69 ms 4588 KB Output is correct
55 Correct 64 ms 4848 KB Output is correct
56 Correct 990 ms 45548 KB Output is correct
57 Execution timed out 1008 ms 55488 KB Time limit exceeded
58 Halted 0 ms 0 KB -