mirror of
https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
74 lines
2.4 KiB
C++
74 lines
2.4 KiB
C++
#include <iostream>
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#include <cstdlib>
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#include <cstring>
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using namespace std;
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int Maps[ 11 ][ 11 ];
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int Cost[ 11 ];
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int Inst[ 11 ][ 11 ];
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int F[ 11 ][ 1025 ];
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int Stat[ 11 ];
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int Q[ 11 ][ 1025 ];
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int main()
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{
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int N,M;
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while ( cin >> N >> M && N ) {
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for ( int i = 1 ; i <= M ; ++ i )
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cin >> Cost[ i ];
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for ( int i = 1 ; i <= N ; ++ i )
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for ( int j = 1 ; j <= M ; ++ j )
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cin >> Inst[ i ][ j ];
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for ( int i = 1 ; i <= N ; ++ i )
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for ( int j = 1 ; j <= N ; ++ j )
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cin >> Maps[ i ][ j ];
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int V = (1<<N)-1;
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for ( int i = 0 ; i <= N ; ++ i )
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for ( int j = 0 ; j <= V ; ++ j )
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F[ i ][ j ] = -10000001;
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for ( int j = 0 ; j <= V ; ++ j )
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F[ 0 ][ j ] = 0;
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for ( int i = 1 ; i <= M ; ++ i )
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for ( int j = 0 ; j <= V ; ++ j ) {
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int temp = j;
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for ( int k = 1 ; k <= N ; ++ k ) {
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Stat[ k ] = temp%2;
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temp /= 2;
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}
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int Save = 0;
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for ( int k = 1 ; k <= N ; ++ k )
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if ( Stat[ k ] )
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Save += Inst[ k ][ i ] - Cost[ i ];
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for ( int p = 1 ; p <= N ; ++ p )
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for ( int q = p+1 ; q <= N ; ++ q )
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if ( Stat[ p ] && Stat[ q ] )
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Save += Maps[ p ][ q ];
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int count = 0;
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Q[ 0 ][ 0 ] = j;
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for ( int k = 1 ; k <= N ; ++ k )
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if ( !Stat[ k ] ) {
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for ( int p = 0 ; p < (1<<count) ; ++ p ) {
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int New = Q[ count ][ p ];
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Q[ count+1 ][ p*2+0 ] = New;
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Q[ count+1 ][ p*2+1 ] = New|(1<<(k-1));
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}
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++ count;
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}
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int Min = -10000001;
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for ( int k = 0 ; k < (1<<count) ; ++ k ) {
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if ( Min < F[ i-1 ][ Q[ count ][ k ] ] )
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Min = F[ i-1 ][ Q[ count ][ k ] ];
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}
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F[ i ][ j ] = Min+Save;
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}
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int Max = -10000001;
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for ( int i = 1 ; i <= M ; ++ i )
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for ( int j = 0 ; j <= V ; ++ j )
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if ( Max < F[ i ][ j ] )
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Max = F[ i ][ j ];
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if ( Max > 0 )
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cout << Max << endl;
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else
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cout << "STAY HOME" << endl;
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}
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return 0;
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}
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