Cod sursa(job #542543)

Utilizator LgregL Greg Lgreg Data 26 februarie 2011 14:43:38
Problema Pixels Scor 10
Compilator cpp Status done
Runda Romanian Master in Mathematics and Sciences 2011, Ziua 2 Marime 1.34 kb
#include<stdio.h>
#include<algorithm>
using namespace std;
int N,v[1000],n,a[102][120],b[15][15],c[23][23][6],p[1010],nr,m[12][120],maxim;
int calc()
{int S=0,P=0;;
    for(int i=1;i<=N;++i)
        for(int j=1;j<=N;++j)
        {

        if(!m[i][j])
            S+=a[i][j];
        else S+=b[i][j];
        if(m[i-1][j]!=m[i][j]&&i-1>0)
            P-=c[i][j][1];
        if(m[i][j+1]!=m[i][j]&&j+1<=N)
            P-=c[i][j][2];
         if(m[i+1][j]!=m[i][j]&&i+1<=N)
            P-=c[i][j][3];
         if(m[i][j-1]!=m[i][j]&&j-1>0)
            P-=c[i][j][4];
        }
        P=P/2;
        S+=P;
return S;
}
void back(int x,int y)
{
        if(x==N+1&&y==N)
        {


           // printf("%d\n\n",calc());
            maxim=max(maxim,calc());
        }
        else
    {
    if(x==N+1)
        x=1,y=y+1;
    m[x][y]=0;
    back(x+1,y);
    m[x][y]=1;
    back(x+1,y);
    }
}
int main()
{
freopen("pixels.in","r",stdin);
freopen("pixels.out","w",stdout);
scanf("%d",&N);

for(int i=1;i<=N;++i)
    for(int j=1;j<=N;++j)
        scanf("%d",&a[i][j]);


for(int i=1;i<=N;++i)
    for(int j=1;j<=N;++j)
        scanf("%d",&b[i][j]);

for(int i=1;i<=N;++i)
    for(int j=1;j<=N;++j)
        for(int k=1;k<=4;++k)
        scanf("%d",&c[i][j][k]);
    back(1,1);
        printf("%d\n",maxim);
}