oj.uz

Submission #991785

# Submission time Handle Problem Language Result Execution time Memory
991785 2024-06-03T06:56:16 Z stdfloat Soccer Stadium (IOI23_soccer) C++17
24 / 100
 4500 ms 47380 KB 
#include <bits/stdc++.h>
#include "soccer.h"
using namespace std;
 
int n, mx;
 
vector<vector<int>> a, v;
 
void f(int x) {
    if (x == n * n) {
        for (int i = 0; i < n; i++) {
            for (int j = 0; j < n; j++) {
                if (!v[i][j]) continue;

                vector<vector<bool>> vis(n, vector<bool>(n));
                vis[i][j] = true;
                for (int z = 0; z < 2; z++) {
                    vector<vector<bool>> vis2(n, vector<bool>(n));
                    for (int k = 0; k < n; k++) {
                        for (int l = 0; l < n; l++) {
                            if (!vis[k][l]) continue;
 
                            for (int m = l - 1; m >= 0 && v[k][m]; m--)
                                vis2[k][m] = true;
                            for (int m = l + 1; m < n && v[k][m]; m++)
                                vis2[k][m] = true;
 
                            for (int m = k - 1; m >= 0 && v[m][l]; m--)
                                vis2[m][l] = true;
                            for (int m = k + 1; m < n && v[m][l]; m++)
                                vis2[m][l] = true;
                        }
                    }

                    for (int k = 0; k < n; k++) {
                        for (int l = 0; l < n; l++)
                            if (vis2[k][l]) vis[k][l] = true;
                    }
                }
 
                for (int k = 0; k < n; k++) {
                    for (int l = 0; l < n; l++)
                        if (v[k][l] && !vis[k][l]) return;
                }
            }
        }
 
        int cnt = 0;
        for (auto i : v)
            cnt += count(i.begin(), i.end(), 1);

        mx = max(mx, cnt);
 
        return;
    }
 
    for (int i = 0; i < 2; i++) {
        if (i && a[x / n][x % n]) return;

        v[x / n][x % n] = i;
        f(x + 1);
    }
}

int biggest_stadium(int N, vector<vector<int>> F) {
    n = N; a = F;
 
    int cnt = 0;
    for (auto i : a)
        cnt += count(i.begin(), i.end(), 1);
 
    if (!cnt) return n * n;
    else if (cnt == 1) {
        for (int i = 0; i < n; i++) {
            for (int j = 0; j < n; j++) {
                if (a[i][j] == 1)
                    return n * n - min({(n - i) * (n - j), (n - i) * (j + 1), (i + 1) * (n - j), (i + 1) * (j + 1)});
            }
        }
    }

    if (n < 4) {
        v.assign(n, vector<int>(n));
        f(0);
     
        return mx;
    }

    cnt = 0;
    for (auto i : a)
        cnt += count(i.begin(), i.end(), 0);

    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            if (a[i][j]) continue;

            vector<vector<bool>> vis(n, vector<bool>(n));
            vis[i][j] = true;
            for (int z = 0; z < 2; z++) {
                vector<vector<bool>> vis2(n, vector<bool>(n));
                for (int k = 0; k < n; k++) {
                    for (int l = 0; l < n; l++) {
                        if (!vis[k][l]) continue;

                        for (int m = l - 1; m >= 0 && !a[k][m]; m--)
                            vis2[k][m] = true;
                        for (int m = l + 1; m < n && !a[k][m]; m++)
                            vis2[k][m] = true;

                        for (int m = k - 1; m >= 0 && !a[m][l]; m--)
                            vis2[m][l] = true;
                        for (int m = k + 1; m < n && !a[m][l]; m++)
                            vis2[m][l] = true;
                    }
                }

                for (int k = 0; k < n; k++) {
                    for (int l = 0; l < n; l++)
                        if (vis2[k][l]) vis[k][l] = true;
                }
            }

            for (int k = 0; k < n; k++) {
                for (int l = 0; l < n; l++)
                    if (!a[k][l] && !vis[k][l]) return cnt - 1;
            }
        }
    }

    return cnt;
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 600 KB partial

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB ok
2 Correct 0 ms 348 KB ok
3 Correct 1 ms 344 KB ok
4 Correct 0 ms 344 KB ok
5 Correct 0 ms 348 KB ok
6 Correct 0 ms 348 KB ok
7 Correct 1 ms 348 KB ok
8 Correct 18 ms 3224 KB ok
9 Correct 198 ms 47380 KB ok

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB ok
2 Correct 0 ms 348 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 344 KB ok
6 Correct 0 ms 348 KB ok
7 Correct 0 ms 348 KB ok
8 Correct 0 ms 348 KB ok
9 Correct 0 ms 348 KB ok
10 Correct 0 ms 348 KB ok
11 Correct 0 ms 348 KB ok
12 Correct 1 ms 348 KB ok
13 Correct 0 ms 348 KB ok

Subtask #3
5.5 / 22.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 600 KB partial
2 Correct 1 ms 344 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 348 KB ok
6 Correct 0 ms 344 KB ok
7 Correct 0 ms 348 KB ok
8 Correct 0 ms 348 KB ok
9 Correct 0 ms 348 KB ok
10 Correct 0 ms 348 KB ok
11 Correct 0 ms 348 KB ok
12 Correct 0 ms 348 KB ok
13 Correct 1 ms 348 KB ok
14 Correct 0 ms 348 KB ok
15 Partially correct 1 ms 348 KB partial
16 Partially correct 0 ms 348 KB partial
17 Partially correct 0 ms 348 KB partial
18 Partially correct 0 ms 348 KB partial
19 Partially correct 0 ms 348 KB partial
20 Correct 0 ms 348 KB ok
21 Correct 0 ms 348 KB ok
22 Correct 0 ms 348 KB ok
23 Correct 0 ms 348 KB ok
24 Correct 0 ms 436 KB ok
25 Correct 0 ms 348 KB ok
26 Partially correct 0 ms 348 KB partial

Subtask #4
4.5 / 18.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 600 KB partial
2 Correct 1 ms 344 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 1 ms 344 KB ok
5 Correct 0 ms 344 KB ok
6 Correct 0 ms 348 KB ok
7 Correct 0 ms 348 KB ok
8 Correct 0 ms 344 KB ok
9 Correct 0 ms 348 KB ok
10 Correct 0 ms 348 KB ok
11 Correct 0 ms 348 KB ok
12 Correct 0 ms 348 KB ok
13 Correct 0 ms 348 KB ok
14 Correct 0 ms 348 KB ok
15 Correct 1 ms 348 KB ok
16 Correct 0 ms 348 KB ok
17 Partially correct 1 ms 348 KB partial
18 Partially correct 0 ms 348 KB partial
19 Partially correct 0 ms 348 KB partial
20 Partially correct 0 ms 348 KB partial
21 Partially correct 0 ms 348 KB partial
22 Correct 0 ms 348 KB ok
23 Correct 0 ms 348 KB ok
24 Correct 0 ms 348 KB ok
25 Correct 0 ms 348 KB ok
26 Correct 0 ms 436 KB ok
27 Correct 0 ms 348 KB ok
28 Partially correct 0 ms 348 KB partial
29 Partially correct 1 ms 348 KB partial
30 Partially correct 0 ms 348 KB partial
31 Partially correct 0 ms 348 KB partial
32 Partially correct 0 ms 348 KB partial
33 Partially correct 0 ms 348 KB partial
34 Correct 2 ms 348 KB ok
35 Correct 4 ms 448 KB ok
36 Correct 1 ms 348 KB ok
37 Partially correct 1 ms 348 KB partial
38 Correct 1 ms 348 KB ok
39 Partially correct 1 ms 348 KB partial
40 Partially correct 0 ms 348 KB partial
41 Partially correct 0 ms 348 KB partial

Subtask #5
0.0 / 16.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 600 KB partial
2 Correct 1 ms 344 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 1 ms 344 KB ok
5 Correct 0 ms 344 KB ok
6 Correct 0 ms 348 KB ok
7 Correct 0 ms 348 KB ok
8 Correct 0 ms 344 KB ok
9 Correct 0 ms 348 KB ok
10 Correct 0 ms 348 KB ok
11 Correct 0 ms 348 KB ok
12 Correct 0 ms 348 KB ok
13 Correct 0 ms 348 KB ok
14 Correct 0 ms 348 KB ok
15 Correct 1 ms 348 KB ok
16 Correct 0 ms 348 KB ok
17 Partially correct 1 ms 348 KB partial
18 Partially correct 0 ms 348 KB partial
19 Partially correct 0 ms 348 KB partial
20 Partially correct 0 ms 348 KB partial
21 Partially correct 0 ms 348 KB partial
22 Correct 0 ms 348 KB ok
23 Correct 0 ms 348 KB ok
24 Correct 0 ms 348 KB ok
25 Correct 0 ms 348 KB ok
26 Correct 0 ms 436 KB ok
27 Correct 0 ms 348 KB ok
28 Partially correct 0 ms 348 KB partial
29 Partially correct 1 ms 348 KB partial
30 Partially correct 0 ms 348 KB partial
31 Partially correct 0 ms 348 KB partial
32 Partially correct 0 ms 348 KB partial
33 Partially correct 0 ms 348 KB partial
34 Correct 2 ms 348 KB ok
35 Correct 4 ms 448 KB ok
36 Correct 1 ms 348 KB ok
37 Partially correct 1 ms 348 KB partial
38 Correct 1 ms 348 KB ok
39 Partially correct 1 ms 348 KB partial
40 Partially correct 0 ms 348 KB partial
41 Partially correct 0 ms 348 KB partial
42 Partially correct 15 ms 3932 KB partial
43 Partially correct 17 ms 3976 KB partial
44 Partially correct 14 ms 3932 KB partial
45 Partially correct 15 ms 3932 KB partial
46 Partially correct 14 ms 4028 KB partial
47 Partially correct 15 ms 3932 KB partial
48 Execution timed out 4571 ms 3932 KB Time limit exceeded
49 Halted 0 ms 0 KB -

Subtask #6
0.0 / 30.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 600 KB partial
2 Correct 1 ms 344 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 1 ms 344 KB ok
5 Correct 0 ms 344 KB ok
6 Correct 0 ms 348 KB ok
7 Correct 0 ms 348 KB ok
8 Correct 1 ms 348 KB ok
9 Correct 18 ms 3224 KB ok
10 Correct 198 ms 47380 KB ok
11 Correct 0 ms 348 KB ok
12 Correct 0 ms 348 KB ok
13 Correct 0 ms 344 KB ok
14 Correct 0 ms 348 KB ok
15 Correct 0 ms 348 KB ok
16 Correct 0 ms 348 KB ok
17 Correct 0 ms 348 KB ok
18 Correct 0 ms 348 KB ok
19 Correct 0 ms 348 KB ok
20 Correct 1 ms 348 KB ok
21 Correct 0 ms 348 KB ok
22 Partially correct 1 ms 348 KB partial
23 Partially correct 0 ms 348 KB partial
24 Partially correct 0 ms 348 KB partial
25 Partially correct 0 ms 348 KB partial
26 Partially correct 0 ms 348 KB partial
27 Correct 0 ms 348 KB ok
28 Correct 0 ms 348 KB ok
29 Correct 0 ms 348 KB ok
30 Correct 0 ms 348 KB ok
31 Correct 0 ms 436 KB ok
32 Correct 0 ms 348 KB ok
33 Partially correct 0 ms 348 KB partial
34 Partially correct 1 ms 348 KB partial
35 Partially correct 0 ms 348 KB partial
36 Partially correct 0 ms 348 KB partial
37 Partially correct 0 ms 348 KB partial
38 Partially correct 0 ms 348 KB partial
39 Correct 2 ms 348 KB ok
40 Correct 4 ms 448 KB ok
41 Correct 1 ms 348 KB ok
42 Partially correct 1 ms 348 KB partial
43 Correct 1 ms 348 KB ok
44 Partially correct 1 ms 348 KB partial
45 Partially correct 0 ms 348 KB partial
46 Partially correct 0 ms 348 KB partial
47 Partially correct 15 ms 3932 KB partial
48 Partially correct 17 ms 3976 KB partial
49 Partially correct 14 ms 3932 KB partial
50 Partially correct 15 ms 3932 KB partial
51 Partially correct 14 ms 4028 KB partial
52 Partially correct 15 ms 3932 KB partial
53 Execution timed out 4571 ms 3932 KB Time limit exceeded
54 Halted 0 ms 0 KB -