oj.uz

Submission #991770

# Submission time Handle Problem Language Result Execution time Memory
991770 2024-06-03T06:25:12 Z stdfloat Soccer Stadium (IOI23_soccer) C++17
6 / 100
 2937 ms 47400 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++) {
                    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--)
                                vis[k][m] = true;
                            for (int m = l + 1; m < n && v[k][m]; m++)
                                vis[k][m] = true;
 
                            for (int m = k - 1; m >= 0 && v[m][l]; m--)
                                vis[m][l] = true;
                            for (int m = k + 1; m < n && v[m][l]; m++)
                                vis[m][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)});
            }
        }
    }
 
    v.assign(n, vector<int>(n));
    f(0);
 
    return mx;
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Partially correct 2937 ms 412 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 420 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 348 KB ok
7 Correct 1 ms 476 KB ok
8 Correct 12 ms 3420 KB ok
9 Correct 204 ms 47400 KB ok

Subtask #2
0.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB ok
2 Correct 0 ms 420 KB ok
3 Correct 1 ms 344 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 348 KB ok
6 Incorrect 0 ms 348 KB wrong
7 Halted 0 ms 0 KB -

Subtask #3
0.0 / 22.0

# Verdict Execution time Memory Grader output
1 Partially correct 2937 ms 412 KB partial
2 Correct 1 ms 344 KB ok
3 Correct 0 ms 420 KB ok
4 Correct 1 ms 344 KB ok
5 Correct 0 ms 348 KB ok
6 Correct 0 ms 348 KB ok
7 Incorrect 0 ms 348 KB wrong
8 Halted 0 ms 0 KB -

Subtask #4
0.0 / 18.0

# Verdict Execution time Memory Grader output
1 Partially correct 2937 ms 412 KB partial
2 Correct 1 ms 344 KB ok
3 Correct 0 ms 420 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 348 KB ok
6 Correct 1 ms 344 KB ok
7 Correct 0 ms 348 KB ok
8 Correct 0 ms 348 KB ok
9 Incorrect 0 ms 348 KB wrong
10 Halted 0 ms 0 KB -

Subtask #5
0.0 / 16.0

# Verdict Execution time Memory Grader output
1 Partially correct 2937 ms 412 KB partial
2 Correct 1 ms 344 KB ok
3 Correct 0 ms 420 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 348 KB ok
6 Correct 1 ms 344 KB ok
7 Correct 0 ms 348 KB ok
8 Correct 0 ms 348 KB ok
9 Incorrect 0 ms 348 KB wrong
10 Halted 0 ms 0 KB -

Subtask #6
0.0 / 30.0

# Verdict Execution time Memory Grader output
1 Partially correct 2937 ms 412 KB partial
2 Correct 1 ms 344 KB ok
3 Correct 0 ms 420 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 348 KB ok
6 Correct 0 ms 348 KB ok
7 Correct 0 ms 348 KB ok
8 Correct 1 ms 476 KB ok
9 Correct 12 ms 3420 KB ok
10 Correct 204 ms 47400 KB ok
11 Correct 1 ms 344 KB ok
12 Correct 0 ms 348 KB ok
13 Correct 0 ms 348 KB ok
14 Incorrect 0 ms 348 KB wrong
15 Halted 0 ms 0 KB -