Submission #976926

#	Time	Username	Problem	Language	Result	Execution time	Memory
976926		LucaIlie	Vision Program (IOI19_vision)	C++17	52 / 100	15 ms	2004 KiB

vision

#include "vision.h"
#include <bits/stdc++.h>

using namespace std;

int n, m, k;

int cellId( int l, int c ) {
    if ( l < 0 || c < 0 || l >= n || c >= m )
        return -1;
    return l * m + c;
}

void construct_network( int N, int M, int K ) {
    n = N, m = M, k = K;
    
    int id = n * m;
    vector<int> ids;
    int n1 = n, m1 = m;
    if ( n * m * 2 > 10000 )
        n1 = m1 = 1;
    for ( int l = 0; l < n1; l++ ) {
        for ( int c = 0; c < m1; c++ ) {
            vector<int> cells;
            for ( int dl = 0; dl <= k; dl++ ) {
                int dc = k - dl;
                if ( cellId( l - dl, c - dc ) != -1 )
                    cells.push_back( cellId( l - dl, c - dc ) );
                if ( cellId( l + dl, c - dc ) != -1 )
                    cells.push_back( cellId( l + dl, c - dc ) );
                if ( cellId( l - dl, c + dc ) != -1 )
                    cells.push_back( cellId( l - dl, c + dc ) );
                if ( cellId( l + dl, c + dc ) != -1 )
                    cells.push_back( cellId( l + dl, c + dc ) );
            }
            sort( cells.begin(), cells.end() );
            cells.resize( unique( cells.begin(), cells.end() ) - cells.begin() );
            if ( cells.empty() )
                continue;
            add_or( cells );
            id++;
            add_and( { id - 1, cellId( l, c ) } );
            ids.push_back( id );
            id++;
        }
    }
    add_or( ids );
}

• Subtask 1: 10 / 10
• Subtask 2: 11 / 11
• Subtask 3: 11 / 11
• Subtask 4: 0 / 15
• Subtask 5: 12 / 12
• Subtask 6: 8 / 8
• Subtask 7: 0 / 14
• Subtask 8: 0 / 19