oj.uz

Submission #839774

# Submission time Handle Problem Language Result Execution time Memory
839774 2023-08-30T15:50:54 Z model_code Soccer Stadium (IOI23_soccer) C++17
1.5 / 100
 247 ms 31728 KB 
// incorrect/solution_checkregular_wa2.cpp

#include "soccer.h"

#define xx first
#define yy second

bool is_unimodal(std::vector<std::pair<int, int>> &ivs)
{
    bool res = true;

    int state = 0;
    for (int i = 1; i < (int)ivs.size();)
    {
        int prev_len = ivs[i - 1].yy - ivs[i - 1].xx,
            curr_len = ivs[i].yy - ivs[i].xx;

        if (state == 0)
        {
            if (prev_len <= curr_len)
            {
                i++;
            }
            else
            {
                state = 1;
            }
        }
        else
        {
            if (prev_len >= curr_len)
            {
                i++;
            }
            else
            {
                res = false;
                break;
            }
        }
    }

    return res;
}

bool is_subintervaled(std::vector<std::pair<int, int>> &ivs)
{
    bool res = true;
    for (const std::pair<int, int> &p : ivs)
    {
        for (const std::pair<int, int> &q : ivs)
        {
            res &= (p.xx <= q.xx && q.yy <= p.yy) || (q.xx <= p.xx && p.yy <= q.yy);
        }
    }

    return res;
}

int biggest_stadium(int N, std::vector<std::vector<int>> C)
{
    int cnt = 0, lens = 0;
    std::vector<std::pair<int, int>> ivs;
    int row_mn = 1e9, row_mx = -1e9;
    for (int i = 0; i < N; ++i)
    {
        int mn = 1e9, mx = -1e9;
        for (int j = 0; j < N; ++j)
        {
            cnt += C[i][j] == 0;
            if (C[i][j] == 0)
            {
                mn = std::min(mn, j);
                mx = std::max(mx, j);
            }
        }

        if (mn <= mx)
        {
            ivs.push_back({mn, mx});
            lens += mx - mn + 1;

            row_mn = std::min(row_mn, i);
            row_mx = std::max(row_mx, i);
        }
    }

    if (lens != cnt || (int)ivs.size() != row_mx - row_mn + 1)
        return 1e9; // has holes
    return /*is_unimodal(ivs)&&*/ is_subintervaled(ivs) ? cnt : (int)1e9;
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB partial

Subtask #1
1.5 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB ok
2 Correct 1 ms 212 KB ok
3 Correct 0 ms 212 KB ok
4 Correct 1 ms 260 KB ok
5 Correct 0 ms 212 KB ok
6 Partially correct 1 ms 212 KB partial
7 Partially correct 1 ms 300 KB partial
8 Partially correct 23 ms 2416 KB partial
9 Partially correct 247 ms 31728 KB partial

Subtask #2
0.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB ok
2 Correct 1 ms 212 KB ok
3 Partially correct 1 ms 212 KB partial
4 Incorrect 0 ms 212 KB wrong
5 Halted 0 ms 0 KB -

Subtask #3
0.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB partial
2 Correct 0 ms 212 KB ok
3 Correct 1 ms 212 KB ok
4 Partially correct 1 ms 212 KB partial
5 Incorrect 0 ms 212 KB wrong
6 Halted 0 ms 0 KB -

Subtask #4
0.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB partial
2 Correct 0 ms 212 KB ok
3 Correct 1 ms 212 KB ok
4 Correct 0 ms 212 KB ok
5 Correct 1 ms 260 KB ok
6 Partially correct 1 ms 212 KB partial
7 Incorrect 0 ms 212 KB wrong
8 Halted 0 ms 0 KB -

Subtask #5
0.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB partial
2 Correct 0 ms 212 KB ok
3 Correct 1 ms 212 KB ok
4 Correct 0 ms 212 KB ok
5 Correct 1 ms 260 KB ok
6 Partially correct 1 ms 212 KB partial
7 Incorrect 0 ms 212 KB wrong
8 Halted 0 ms 0 KB -

Subtask #6
0.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB partial
2 Correct 0 ms 212 KB ok
3 Correct 1 ms 212 KB ok
4 Correct 0 ms 212 KB ok
5 Correct 1 ms 260 KB ok
6 Correct 0 ms 212 KB ok
7 Partially correct 1 ms 212 KB partial
8 Partially correct 1 ms 300 KB partial
9 Partially correct 23 ms 2416 KB partial
10 Partially correct 247 ms 31728 KB partial
11 Partially correct 1 ms 212 KB partial
12 Incorrect 0 ms 212 KB wrong
13 Halted 0 ms 0 KB -