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Submission #884705

# Submission time Handle Problem Language Result Execution time Memory
884705 2023-12-08T06:36:48 Z Desh03 Team Contest (JOI22_team) C++17
64 / 100
 2000 ms 68696 KB 
#include <bits/stdc++.h>
 
using namespace std;

void chmax(int &x, const int &y) {
    x = (x > y ? x : y);
}

struct Fenwick {
    vector<int> f;
    int n;
    Fenwick(int n_) : n(n_) {
        f.resize(n);
    }
    void upd(int i, int x) {
        while (i < n) {
            chmax(f[i], x);
            i |= i + 1;
        }
    }
    int qry(int i) {
        int x = 0;
        while (i >= 0) {
            chmax(x, f[i]);
            i = (i & i + 1) - 1;
        }
        return x;
    }
};

struct Fenwick2D {
    vector<map<int, int>> f;
    int nx, ny;
    Fenwick2D(int nx_, int ny_) : nx(nx_), ny(ny_) {
        f.resize(nx_);
    }
    void upd(int i, int J, int x) {
        while (i >= 0) {
            for (int j = J; j >= 0; j = (j & j + 1) - 1) {
                chmax(f[i][j], x);
            }
            i = (i & i + 1) - 1;
        }
    }
    int qry(int i, int J) {
        int x = 0;
        while (i < nx) {
            for (int j = J; j < ny; j |= j + 1) {
                chmax(x, f[i][j]);
            }
            i |= i + 1;
        }
        return x;
    }
};

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int n;
    cin >> n;
    vector<tuple<int, int, int>> a(n);
    vector<int> cmpx, cmpy, cmpz;
    for (auto &[x, y, z] : a) {
        cin >> x >> y >> z;
        cmpx.push_back(x);
        cmpy.push_back(y);
        cmpz.push_back(z);
    }
    sort(cmpx.begin(), cmpx.end());
    cmpx.erase(unique(cmpx.begin(), cmpx.end()), cmpx.end());
    sort(cmpy.begin(), cmpy.end());
    cmpy.erase(unique(cmpy.begin(), cmpy.end()), cmpy.end());
    sort(cmpz.begin(), cmpz.end());
    cmpz.erase(unique(cmpz.begin(), cmpz.end()), cmpz.end());
    vector<vector<pair<int, int>>> X(cmpx.size());
    for (auto &[x, y, z] : a) {
        X[lower_bound(cmpx.begin(), cmpx.end(), x) - cmpx.begin()].push_back({lower_bound(cmpy.begin(), cmpy.end(), y) - cmpy.begin(), lower_bound(cmpz.begin(), cmpz.end(), z) - cmpz.begin()});
    }
    Fenwick fy(cmpy.size()), fz(cmpz.size());
    Fenwick2D fyz(cmpy.size(), cmpz.size());
    int ans = -1;
    for (int x = 0; x < cmpx.size(); x++) {
        for (auto &[y, z] : X[x]) {
            int wyz = fyz.qry(y + 1, z + 1);
            if (wyz) chmax(ans, cmpx[x] + wyz);
        }
        for (auto &[y, z] : X[x]) {
            int wz = fy.qry(y - 1), wy = fz.qry(z - 1);
            if (wz > z) fyz.upd(y, wz, cmpy[y] + cmpz[wz]);
            if (wy > y) fyz.upd(wy, z, cmpy[wy] + cmpz[z]);
            fy.upd(y, z);
            fz.upd(z, y);
        }
    }
    cout << ans << '\n';
    return 0;
}

Compilation message

team.cpp: In member function 'int Fenwick::qry(int)':
team.cpp:25:24: warning: suggest parentheses around '+' in operand of '&' [-Wparentheses]
   25 |             i = (i & i + 1) - 1;
      |                      ~~^~~
team.cpp: In member function 'void Fenwick2D::upd(int, int, int)':
team.cpp:39:48: warning: suggest parentheses around '+' in operand of '&' [-Wparentheses]
   39 |             for (int j = J; j >= 0; j = (j & j + 1) - 1) {
      |                                              ~~^~~
team.cpp:42:24: warning: suggest parentheses around '+' in operand of '&' [-Wparentheses]
   42 |             i = (i & i + 1) - 1;
      |                      ~~^~~
team.cpp: In function 'int main()':
team.cpp:83:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   83 |     for (int x = 0; x < cmpx.size(); x++) {
      |                     ~~^~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 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 600 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 1 ms 348 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 2 ms 604 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 604 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 0 ms 408 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 604 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 348 KB Output is correct
2 Correct 0 ms 348 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 600 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 1 ms 348 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 2 ms 604 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 604 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 0 ms 408 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 604 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 43 ms 7704 KB Output is correct
27 Correct 34 ms 5460 KB Output is correct
28 Correct 24 ms 4700 KB Output is correct
29 Correct 17 ms 3420 KB Output is correct
30 Correct 13 ms 3008 KB Output is correct
31 Correct 23 ms 3420 KB Output is correct
32 Correct 7 ms 1360 KB Output is correct
33 Correct 2 ms 604 KB Output is correct
34 Correct 8 ms 2908 KB Output is correct
35 Correct 1 ms 604 KB Output is correct
36 Correct 1 ms 604 KB Output is correct
37 Correct 5 ms 1344 KB Output is correct
38 Correct 5 ms 1624 KB Output is correct
39 Correct 1 ms 348 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 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 344 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 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 44 ms 5424 KB Output is correct
12 Correct 26 ms 4044 KB Output is correct
13 Correct 28 ms 4804 KB Output is correct
14 Correct 40 ms 6332 KB Output is correct
15 Correct 32 ms 5820 KB Output is correct
16 Correct 27 ms 5944 KB Output is correct

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 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 344 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 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 44 ms 5424 KB Output is correct
12 Correct 26 ms 4044 KB Output is correct
13 Correct 28 ms 4804 KB Output is correct
14 Correct 40 ms 6332 KB Output is correct
15 Correct 32 ms 5820 KB Output is correct
16 Correct 27 ms 5944 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 348 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 344 KB Output is correct
22 Correct 77 ms 5304 KB Output is correct
23 Correct 60 ms 5064 KB Output is correct
24 Correct 46 ms 4048 KB Output is correct
25 Correct 64 ms 5876 KB Output is correct
26 Correct 35 ms 5828 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 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 344 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 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 44 ms 5424 KB Output is correct
12 Correct 26 ms 4044 KB Output is correct
13 Correct 28 ms 4804 KB Output is correct
14 Correct 40 ms 6332 KB Output is correct
15 Correct 32 ms 5820 KB Output is correct
16 Correct 27 ms 5944 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 348 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 344 KB Output is correct
22 Correct 77 ms 5304 KB Output is correct
23 Correct 60 ms 5064 KB Output is correct
24 Correct 46 ms 4048 KB Output is correct
25 Correct 64 ms 5876 KB Output is correct
26 Correct 35 ms 5828 KB Output is correct
27 Correct 1 ms 604 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 6 ms 1372 KB Output is correct
32 Correct 1 ms 604 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 397 ms 9092 KB Output is correct
35 Correct 304 ms 8808 KB Output is correct
36 Correct 296 ms 8992 KB Output is correct
37 Correct 175 ms 8124 KB Output is correct
38 Correct 50 ms 5600 KB Output is correct
39 Correct 80 ms 7240 KB Output is correct

Subtask #6
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 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 344 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 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 44 ms 5424 KB Output is correct
12 Correct 26 ms 4044 KB Output is correct
13 Correct 28 ms 4804 KB Output is correct
14 Correct 40 ms 6332 KB Output is correct
15 Correct 32 ms 5820 KB Output is correct
16 Correct 27 ms 5944 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 348 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 344 KB Output is correct
22 Correct 77 ms 5304 KB Output is correct
23 Correct 60 ms 5064 KB Output is correct
24 Correct 46 ms 4048 KB Output is correct
25 Correct 64 ms 5876 KB Output is correct
26 Correct 35 ms 5828 KB Output is correct
27 Correct 1 ms 604 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 6 ms 1372 KB Output is correct
32 Correct 1 ms 604 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 397 ms 9092 KB Output is correct
35 Correct 304 ms 8808 KB Output is correct
36 Correct 296 ms 8992 KB Output is correct
37 Correct 175 ms 8124 KB Output is correct
38 Correct 50 ms 5600 KB Output is correct
39 Correct 80 ms 7240 KB Output is correct
40 Correct 13 ms 3160 KB Output is correct
41 Correct 24 ms 3420 KB Output is correct
42 Correct 6 ms 1624 KB Output is correct
43 Correct 5 ms 1432 KB Output is correct
44 Execution timed out 2100 ms 68696 KB Time limit exceeded
45 Halted 0 ms 0 KB -

Subtask #7
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 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 600 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 1 ms 348 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 2 ms 604 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 604 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 0 ms 408 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 604 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 43 ms 7704 KB Output is correct
27 Correct 34 ms 5460 KB Output is correct
28 Correct 24 ms 4700 KB Output is correct
29 Correct 17 ms 3420 KB Output is correct
30 Correct 13 ms 3008 KB Output is correct
31 Correct 23 ms 3420 KB Output is correct
32 Correct 7 ms 1360 KB Output is correct
33 Correct 2 ms 604 KB Output is correct
34 Correct 8 ms 2908 KB Output is correct
35 Correct 1 ms 604 KB Output is correct
36 Correct 1 ms 604 KB Output is correct
37 Correct 5 ms 1344 KB Output is correct
38 Correct 5 ms 1624 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 344 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 344 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 44 ms 5424 KB Output is correct
51 Correct 26 ms 4044 KB Output is correct
52 Correct 28 ms 4804 KB Output is correct
53 Correct 40 ms 6332 KB Output is correct
54 Correct 32 ms 5820 KB Output is correct
55 Correct 27 ms 5944 KB Output is correct
56 Correct 0 ms 344 KB Output is correct
57 Correct 0 ms 348 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 344 KB Output is correct
61 Correct 77 ms 5304 KB Output is correct
62 Correct 60 ms 5064 KB Output is correct
63 Correct 46 ms 4048 KB Output is correct
64 Correct 64 ms 5876 KB Output is correct
65 Correct 35 ms 5828 KB Output is correct
66 Correct 1 ms 604 KB Output is correct
67 Correct 1 ms 348 KB Output is correct
68 Correct 1 ms 344 KB Output is correct
69 Correct 1 ms 344 KB Output is correct
70 Correct 6 ms 1372 KB Output is correct
71 Correct 1 ms 604 KB Output is correct
72 Correct 1 ms 604 KB Output is correct
73 Correct 397 ms 9092 KB Output is correct
74 Correct 304 ms 8808 KB Output is correct
75 Correct 296 ms 8992 KB Output is correct
76 Correct 175 ms 8124 KB Output is correct
77 Correct 50 ms 5600 KB Output is correct
78 Correct 80 ms 7240 KB Output is correct
79 Correct 13 ms 3160 KB Output is correct
80 Correct 24 ms 3420 KB Output is correct
81 Correct 6 ms 1624 KB Output is correct
82 Correct 5 ms 1432 KB Output is correct
83 Execution timed out 2100 ms 68696 KB Time limit exceeded
84 Halted 0 ms 0 KB -