Cod sursa(job #542532)

Utilizator LgregL Greg Lgreg Data 26 februarie 2011 14:34:45
Problema Pixels Scor 0
Compilator cpp Status done
Runda Romanian Master in Mathematics and Sciences 2011, Ziua 2 Marime 1.38 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;
    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])
            S-=c[i][j][1];
        if(m[i][j+1]==m[i][j])
            S-=c[i][j][2];
         if(m[i+1][j]==m[i][j])
            S-=c[i][j][3];
         if(m[i][j-1]==m[i][j])
            S-=c[i][j][4];
        }
return S;
}
void back(int x,int y)
{
        if(x==N+1&&y==N)
        for(int i=1;i<=N;++i)
        {
            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=0;i<=N+1;++i)
    {
        m[0][i]=2;
        m[i][0]=2;
        m[N+1][i]=2;
        m[i][N+1]=0;
    }
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);
}