oj.uz

Submission #884701

# Submission time Handle Problem Language Result Execution time Memory
884701 2023-12-08T06:33:29 Z Desh03 Team Contest (JOI22_team) C++17
73 / 100
 2000 ms 246516 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<unordered_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 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 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 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 344 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 600 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 0 ms 464 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 600 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 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 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 344 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 600 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 0 ms 464 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 600 KB Output is correct
26 Correct 33 ms 7544 KB Output is correct
27 Correct 19 ms 5208 KB Output is correct
28 Correct 15 ms 4444 KB Output is correct
29 Correct 11 ms 3160 KB Output is correct
30 Correct 9 ms 2904 KB Output is correct
31 Correct 13 ms 3164 KB Output is correct
32 Correct 6 ms 1112 KB Output is correct
33 Correct 2 ms 848 KB Output is correct
34 Correct 9 ms 2908 KB Output is correct
35 Correct 2 ms 604 KB Output is correct
36 Correct 1 ms 604 KB Output is correct
37 Correct 4 ms 1396 KB Output is correct
38 Correct 5 ms 1372 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 1 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 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 46 ms 5636 KB Output is correct
12 Correct 27 ms 4048 KB Output is correct
13 Correct 28 ms 5556 KB Output is correct
14 Correct 42 ms 7100 KB Output is correct
15 Correct 35 ms 6596 KB Output is correct
16 Correct 28 ms 6972 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 1 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 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 46 ms 5636 KB Output is correct
12 Correct 27 ms 4048 KB Output is correct
13 Correct 28 ms 5556 KB Output is correct
14 Correct 42 ms 7100 KB Output is correct
15 Correct 35 ms 6596 KB Output is correct
16 Correct 28 ms 6972 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 64 ms 6328 KB Output is correct
23 Correct 57 ms 6200 KB Output is correct
24 Correct 43 ms 4804 KB Output is correct
25 Correct 70 ms 6776 KB Output is correct
26 Correct 37 ms 6724 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 1 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 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 46 ms 5636 KB Output is correct
12 Correct 27 ms 4048 KB Output is correct
13 Correct 28 ms 5556 KB Output is correct
14 Correct 42 ms 7100 KB Output is correct
15 Correct 35 ms 6596 KB Output is correct
16 Correct 28 ms 6972 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 64 ms 6328 KB Output is correct
23 Correct 57 ms 6200 KB Output is correct
24 Correct 43 ms 4804 KB Output is correct
25 Correct 70 ms 6776 KB Output is correct
26 Correct 37 ms 6724 KB Output is correct
27 Correct 1 ms 856 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 4 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 158 ms 10540 KB Output is correct
35 Correct 130 ms 10132 KB Output is correct
36 Correct 131 ms 10312 KB Output is correct
37 Correct 107 ms 9784 KB Output is correct
38 Correct 54 ms 7100 KB Output is correct
39 Correct 50 ms 8188 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 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 46 ms 5636 KB Output is correct
12 Correct 27 ms 4048 KB Output is correct
13 Correct 28 ms 5556 KB Output is correct
14 Correct 42 ms 7100 KB Output is correct
15 Correct 35 ms 6596 KB Output is correct
16 Correct 28 ms 6972 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 64 ms 6328 KB Output is correct
23 Correct 57 ms 6200 KB Output is correct
24 Correct 43 ms 4804 KB Output is correct
25 Correct 70 ms 6776 KB Output is correct
26 Correct 37 ms 6724 KB Output is correct
27 Correct 1 ms 856 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 4 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 158 ms 10540 KB Output is correct
35 Correct 130 ms 10132 KB Output is correct
36 Correct 131 ms 10312 KB Output is correct
37 Correct 107 ms 9784 KB Output is correct
38 Correct 54 ms 7100 KB Output is correct
39 Correct 50 ms 8188 KB Output is correct
40 Correct 9 ms 2908 KB Output is correct
41 Correct 13 ms 3292 KB Output is correct
42 Correct 4 ms 1372 KB Output is correct
43 Correct 5 ms 1372 KB Output is correct
44 Correct 1035 ms 70832 KB Output is correct
45 Correct 493 ms 61288 KB Output is correct
46 Correct 523 ms 65208 KB Output is correct
47 Correct 450 ms 60528 KB Output is correct
48 Correct 72 ms 7788 KB Output is correct

Subtask #7
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 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 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 344 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 600 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 0 ms 464 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 600 KB Output is correct
26 Correct 33 ms 7544 KB Output is correct
27 Correct 19 ms 5208 KB Output is correct
28 Correct 15 ms 4444 KB Output is correct
29 Correct 11 ms 3160 KB Output is correct
30 Correct 9 ms 2904 KB Output is correct
31 Correct 13 ms 3164 KB Output is correct
32 Correct 6 ms 1112 KB Output is correct
33 Correct 2 ms 848 KB Output is correct
34 Correct 9 ms 2908 KB Output is correct
35 Correct 2 ms 604 KB Output is correct
36 Correct 1 ms 604 KB Output is correct
37 Correct 4 ms 1396 KB Output is correct
38 Correct 5 ms 1372 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 0 ms 348 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 348 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 46 ms 5636 KB Output is correct
51 Correct 27 ms 4048 KB Output is correct
52 Correct 28 ms 5556 KB Output is correct
53 Correct 42 ms 7100 KB Output is correct
54 Correct 35 ms 6596 KB Output is correct
55 Correct 28 ms 6972 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 0 ms 344 KB Output is correct
59 Correct 1 ms 348 KB Output is correct
60 Correct 1 ms 348 KB Output is correct
61 Correct 64 ms 6328 KB Output is correct
62 Correct 57 ms 6200 KB Output is correct
63 Correct 43 ms 4804 KB Output is correct
64 Correct 70 ms 6776 KB Output is correct
65 Correct 37 ms 6724 KB Output is correct
66 Correct 1 ms 856 KB Output is correct
67 Correct 1 ms 348 KB Output is correct
68 Correct 1 ms 348 KB Output is correct
69 Correct 1 ms 348 KB Output is correct
70 Correct 4 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 158 ms 10540 KB Output is correct
74 Correct 130 ms 10132 KB Output is correct
75 Correct 131 ms 10312 KB Output is correct
76 Correct 107 ms 9784 KB Output is correct
77 Correct 54 ms 7100 KB Output is correct
78 Correct 50 ms 8188 KB Output is correct
79 Correct 9 ms 2908 KB Output is correct
80 Correct 13 ms 3292 KB Output is correct
81 Correct 4 ms 1372 KB Output is correct
82 Correct 5 ms 1372 KB Output is correct
83 Correct 1035 ms 70832 KB Output is correct
84 Correct 493 ms 61288 KB Output is correct
85 Correct 523 ms 65208 KB Output is correct
86 Correct 450 ms 60528 KB Output is correct
87 Correct 72 ms 7788 KB Output is correct
88 Execution timed out 2045 ms 246516 KB Time limit exceeded
89 Halted 0 ms 0 KB -