oj.uz

Submission #1036333

# Submission time Handle Problem Language Result Execution time Memory
1036333 2024-07-27T09:09:16 Z juicy Team Contest (JOI22_team) C++17
100 / 100
 107 ms 9152 KB 
#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif

const int N = 150005;

struct Fenwick {
  int s[N];

  void upd(int i, int x) {
    for (; i < N; i += i & -i) {
      s[i] = max(s[i], x);
    }
  }

  int qry(int i) {
    int res = 0;
    for (; i; i -= i & -i) {
      res = max(res, s[i]);
    }
    return res;
  }
} ft[2];

int n;
int x[N], y[N], z[N];

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

  cin >> n;
  array<vector<int>, 2> comp;
  for (int i = 1; i <= n; ++i) {
    cin >> x[i] >> y[i] >> z[i];
    comp[0].push_back(y[i]);
    comp[1].push_back(z[i]);
  }
  for (auto it : {0, 1}) {
    sort(comp[it].begin(), comp[it].end());
    comp[it].erase(unique(comp[it].begin(), comp[it].end()), comp[it].end());
  }
  vector<int> ord(n);
  iota(ord.begin(), ord.end(), 1);
  sort(ord.begin(), ord.end(), [&](int i, int j) {
    return x[i] < x[j];
  });
  auto ID = [&](const vector<int> &comp, int x) {
    return lower_bound(comp.begin(), comp.end(), x) - comp.begin() + 1;
  };
  array<int, 2> cands{};
  auto add = [&](int id) {
    int Y = ID(comp[0], y[id]), Z = ID(comp[1], z[id]);
    int rZ = ft[1].qry(Y - 1), lY = ft[0].qry(Z - 1);
    if (rZ > z[id]) {
      cands = max(cands, {y[id], rZ});
    }
    if (lY > y[id]) {
      cands = max(cands, {lY, z[id]});
    }
    ft[0].upd(Z, y[id]);
    ft[1].upd(Y, z[id]);
  };
  int res = -1;
  for (int i = 0; i < n; ) {
    int j = i;
    while (j < n && x[ord[i]] == x[ord[j]]) {
      if (cands[0] > y[ord[j]] && cands[1] > z[ord[j]]) {
        res = max(res, x[ord[j]] + cands[0] + cands[1]);
      }
      ++j;
    }
    while (i < j) {
      add(ord[i++]);
    }
  }
  cout << res;
  return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 472 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 472 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 3 ms 860 KB Output is correct
27 Correct 3 ms 608 KB Output is correct
28 Correct 3 ms 604 KB Output is correct
29 Correct 2 ms 604 KB Output is correct
30 Correct 2 ms 604 KB Output is correct
31 Correct 3 ms 568 KB Output is correct
32 Correct 2 ms 604 KB Output is correct
33 Correct 2 ms 604 KB Output is correct
34 Correct 2 ms 672 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 1 ms 604 KB Output is correct
38 Correct 2 ms 600 KB Output is correct
39 Correct 1 ms 604 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 472 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 36 ms 4856 KB Output is correct
12 Correct 24 ms 3536 KB Output is correct
13 Correct 26 ms 4352 KB Output is correct
14 Correct 45 ms 5064 KB Output is correct
15 Correct 32 ms 5064 KB Output is correct
16 Correct 29 ms 5064 KB Output is correct

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 472 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 36 ms 4856 KB Output is correct
12 Correct 24 ms 3536 KB Output is correct
13 Correct 26 ms 4352 KB Output is correct
14 Correct 45 ms 5064 KB Output is correct
15 Correct 32 ms 5064 KB Output is correct
16 Correct 29 ms 5064 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 604 KB Output is correct
22 Correct 45 ms 5184 KB Output is correct
23 Correct 39 ms 5012 KB Output is correct
24 Correct 31 ms 4024 KB Output is correct
25 Correct 45 ms 5360 KB Output is correct
26 Correct 33 ms 5060 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 472 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 36 ms 4856 KB Output is correct
12 Correct 24 ms 3536 KB Output is correct
13 Correct 26 ms 4352 KB Output is correct
14 Correct 45 ms 5064 KB Output is correct
15 Correct 32 ms 5064 KB Output is correct
16 Correct 29 ms 5064 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 604 KB Output is correct
22 Correct 45 ms 5184 KB Output is correct
23 Correct 39 ms 5012 KB Output is correct
24 Correct 31 ms 4024 KB Output is correct
25 Correct 45 ms 5360 KB Output is correct
26 Correct 33 ms 5060 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 2 ms 572 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 70 ms 5572 KB Output is correct
35 Correct 56 ms 5692 KB Output is correct
36 Correct 64 ms 5564 KB Output is correct
37 Correct 53 ms 5808 KB Output is correct
38 Correct 38 ms 5572 KB Output is correct
39 Correct 31 ms 3792 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 472 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 36 ms 4856 KB Output is correct
12 Correct 24 ms 3536 KB Output is correct
13 Correct 26 ms 4352 KB Output is correct
14 Correct 45 ms 5064 KB Output is correct
15 Correct 32 ms 5064 KB Output is correct
16 Correct 29 ms 5064 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 604 KB Output is correct
22 Correct 45 ms 5184 KB Output is correct
23 Correct 39 ms 5012 KB Output is correct
24 Correct 31 ms 4024 KB Output is correct
25 Correct 45 ms 5360 KB Output is correct
26 Correct 33 ms 5060 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 2 ms 572 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 70 ms 5572 KB Output is correct
35 Correct 56 ms 5692 KB Output is correct
36 Correct 64 ms 5564 KB Output is correct
37 Correct 53 ms 5808 KB Output is correct
38 Correct 38 ms 5572 KB Output is correct
39 Correct 31 ms 3792 KB Output is correct
40 Correct 2 ms 600 KB Output is correct
41 Correct 2 ms 604 KB Output is correct
42 Correct 1 ms 604 KB Output is correct
43 Correct 2 ms 604 KB Output is correct
44 Correct 72 ms 6360 KB Output is correct
45 Correct 66 ms 6332 KB Output is correct
46 Correct 80 ms 6588 KB Output is correct
47 Correct 66 ms 6336 KB Output is correct
48 Correct 48 ms 6300 KB Output is correct

Subtask #7
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 472 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 3 ms 860 KB Output is correct
27 Correct 3 ms 608 KB Output is correct
28 Correct 3 ms 604 KB Output is correct
29 Correct 2 ms 604 KB Output is correct
30 Correct 2 ms 604 KB Output is correct
31 Correct 3 ms 568 KB Output is correct
32 Correct 2 ms 604 KB Output is correct
33 Correct 2 ms 604 KB Output is correct
34 Correct 2 ms 672 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 1 ms 604 KB Output is correct
38 Correct 2 ms 600 KB Output is correct
39 Correct 1 ms 604 KB Output is correct
40 Correct 0 ms 344 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 472 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 36 ms 4856 KB Output is correct
51 Correct 24 ms 3536 KB Output is correct
52 Correct 26 ms 4352 KB Output is correct
53 Correct 45 ms 5064 KB Output is correct
54 Correct 32 ms 5064 KB Output is correct
55 Correct 29 ms 5064 KB Output is correct
56 Correct 0 ms 344 KB Output is correct
57 Correct 1 ms 344 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 1 ms 604 KB Output is correct
61 Correct 45 ms 5184 KB Output is correct
62 Correct 39 ms 5012 KB Output is correct
63 Correct 31 ms 4024 KB Output is correct
64 Correct 45 ms 5360 KB Output is correct
65 Correct 33 ms 5060 KB Output is correct
66 Correct 1 ms 348 KB Output is correct
67 Correct 0 ms 348 KB Output is correct
68 Correct 0 ms 348 KB Output is correct
69 Correct 1 ms 348 KB Output is correct
70 Correct 2 ms 572 KB Output is correct
71 Correct 1 ms 348 KB Output is correct
72 Correct 1 ms 348 KB Output is correct
73 Correct 70 ms 5572 KB Output is correct
74 Correct 56 ms 5692 KB Output is correct
75 Correct 64 ms 5564 KB Output is correct
76 Correct 53 ms 5808 KB Output is correct
77 Correct 38 ms 5572 KB Output is correct
78 Correct 31 ms 3792 KB Output is correct
79 Correct 2 ms 600 KB Output is correct
80 Correct 2 ms 604 KB Output is correct
81 Correct 1 ms 604 KB Output is correct
82 Correct 2 ms 604 KB Output is correct
83 Correct 72 ms 6360 KB Output is correct
84 Correct 66 ms 6332 KB Output is correct
85 Correct 80 ms 6588 KB Output is correct
86 Correct 66 ms 6336 KB Output is correct
87 Correct 48 ms 6300 KB Output is correct
88 Correct 107 ms 9148 KB Output is correct
89 Correct 95 ms 8808 KB Output is correct
90 Correct 99 ms 8636 KB Output is correct
91 Correct 93 ms 8664 KB Output is correct
92 Correct 82 ms 6892 KB Output is correct
93 Correct 97 ms 7608 KB Output is correct
94 Correct 89 ms 7180 KB Output is correct
95 Correct 57 ms 8128 KB Output is correct
96 Correct 76 ms 9152 KB Output is correct
97 Correct 42 ms 8132 KB Output is correct
98 Correct 47 ms 7096 KB Output is correct
99 Correct 70 ms 7096 KB Output is correct