oj.uz

Submission #841560

# Submission time Handle Problem Language Result Execution time Memory
841560 2023-09-01T16:56:04 Z Lawliet Soccer Stadium (IOI23_soccer) C++17
1.5 / 100
 256 ms 31772 KB 
#include "soccer.h"
#include <bits/stdc++.h>
 
using namespace std;

int size(pair<int,int> a) { return a.second - a.first + 1; }
bool checkIntervals(pair<int,int> a, pair<int,int> b) { return (b.first <= a.first && a.second <= b.second); }
 
bool isGood(int N, vector<vector<int>>& F)
{
    vector<pair<int,int>> intervals;
 
    for(int i = 0 ; i < N ; i++)
    {
        int numCells = 0;
        int minCell = N, maxCell = -1;
 
        for(int j = 0 ; j < N ; j++)
        {
            if( F[i][j] == 0 )
            {
                numCells++;
                minCell = min( minCell , j );
                maxCell = max( maxCell , j );
            }
        }
 
        if( numCells == 0 )
            continue;
 
        if( numCells != maxCell - minCell + 1 )
            return false;
 
        intervals.push_back( { minCell , maxCell } );
    }

    int p = 0;

    while( p + 1 < (int)intervals.size() && size(intervals[p]) <= size(intervals[p + 1]) )
        p++;

    while( p + 1 < (int)intervals.size() && size(intervals[p]) >= size(intervals[p + 1]) )
        p++;

    if( p != (int)intervals.size() - 1 )
        return false;
 
    sort( intervals.begin() , intervals.end() , [&](pair<int,int> a, pair<int,int> b){
        return size(a) < size(b);
    });
 
    for(int i = 0 ; i + 1 < (int)intervals.size() ; i++)
        if( !checkIntervals( intervals[i] , intervals[i + 1] ) ) return false;
 
    return true;
}
 
int biggest_stadium(int N, vector<vector<int>> F)
{
    if( !isGood(N, F) )
        return -1;
 
    int sum = 0;
 
    for(int i = 0 ; i < N ; i++)
        for(int j = 0 ; j < N ; j++)
            sum += 1 - F[i][j];
 
    return sum;
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 352 KB partial

Subtask #1
1.5 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 348 KB ok
6 Partially correct 0 ms 348 KB partial
7 Partially correct 1 ms 348 KB partial
8 Partially correct 17 ms 2396 KB partial
9 Partially correct 256 ms 31772 KB partial

Subtask #2
0.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB ok
2 Correct 0 ms 348 KB ok
3 Partially correct 0 ms 344 KB partial
4 Partially correct 1 ms 348 KB partial
5 Partially correct 0 ms 348 KB partial
6 Partially correct 1 ms 432 KB partial
7 Partially correct 0 ms 348 KB partial
8 Correct 0 ms 348 KB ok
9 Correct 0 ms 348 KB ok
10 Partially correct 0 ms 432 KB partial
11 Incorrect 1 ms 348 KB wrong
12 Halted 0 ms 0 KB -

Subtask #3
0.0 / 22.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 352 KB partial
2 Correct 0 ms 348 KB ok
3 Correct 0 ms 348 KB ok
4 Partially correct 0 ms 344 KB partial
5 Partially correct 1 ms 348 KB partial
6 Partially correct 0 ms 348 KB partial
7 Partially correct 1 ms 432 KB partial
8 Partially correct 0 ms 348 KB partial
9 Correct 0 ms 348 KB ok
10 Correct 0 ms 348 KB ok
11 Partially correct 0 ms 432 KB partial
12 Incorrect 1 ms 348 KB wrong
13 Halted 0 ms 0 KB -

Subtask #4
0.0 / 18.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 352 KB partial
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 348 KB ok
6 Partially correct 0 ms 344 KB partial
7 Partially correct 1 ms 348 KB partial
8 Partially correct 0 ms 348 KB partial
9 Partially correct 1 ms 432 KB partial
10 Partially correct 0 ms 348 KB partial
11 Correct 0 ms 348 KB ok
12 Correct 0 ms 348 KB ok
13 Partially correct 0 ms 432 KB partial
14 Incorrect 1 ms 348 KB wrong
15 Halted 0 ms 0 KB -

Subtask #5
0.0 / 16.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 352 KB partial
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 348 KB ok
6 Partially correct 0 ms 344 KB partial
7 Partially correct 1 ms 348 KB partial
8 Partially correct 0 ms 348 KB partial
9 Partially correct 1 ms 432 KB partial
10 Partially correct 0 ms 348 KB partial
11 Correct 0 ms 348 KB ok
12 Correct 0 ms 348 KB ok
13 Partially correct 0 ms 432 KB partial
14 Incorrect 1 ms 348 KB wrong
15 Halted 0 ms 0 KB -

Subtask #6
0.0 / 30.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 352 KB partial
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 348 KB ok
6 Correct 0 ms 348 KB ok
7 Partially correct 0 ms 348 KB partial
8 Partially correct 1 ms 348 KB partial
9 Partially correct 17 ms 2396 KB partial
10 Partially correct 256 ms 31772 KB partial
11 Partially correct 0 ms 344 KB partial
12 Partially correct 1 ms 348 KB partial
13 Partially correct 0 ms 348 KB partial
14 Partially correct 1 ms 432 KB partial
15 Partially correct 0 ms 348 KB partial
16 Correct 0 ms 348 KB ok
17 Correct 0 ms 348 KB ok
18 Partially correct 0 ms 432 KB partial
19 Incorrect 1 ms 348 KB wrong
20 Halted 0 ms 0 KB -