Cod sursa(job #991897)

Utilizator AeroHHorea Stefan AeroH Data 31 august 2013 18:49:45
Problema Zone Scor 60
Compilator cpp Status done
Runda Arhiva de probleme Marime 2.7 kb
#include <cstdio>
#include <algorithm>
#include <cstdlib>
using namespace std;
FILE*fin=fopen("zone.in","r");
FILE*fout=fopen("zone.out","w");

int m[513][513],i,j,k,n,l1,c1,l2,c2,a,l,o,p,y;
long long int v[10],sum,vf[10];

int main()
{
    fscanf(fin,"%d",&n);
    for (i=1;i<=9;++i)fscanf(fin,"%I64d",&v[i]);sort(v+1,v+10);
    for (i=1;i<=n;++i)
    for (j=1;j<=n;++j)
    fscanf(fin,"%d",&a),m[i][j]=m[i][j-1]+a;

    for (i=1;i<=n;++i)
        for (j=1;j<=n;++j,sum=0)
            {
                for (k=1;k<=i;++k)
                    sum+=m[k][j];

                for (k=1;k<=9;++k)
                    if (sum==v[k])break;

                if (k!=10)
                {   sum=0;
                    for (o=i+1;o<=n;++o)
                        for (p=j+1;p<=n;++p,sum=0)
                            {
                                for (k=i+1;k<=o;++k)
                                    sum+=m[k][p]-m[k][j];

                                for (k=1;k<=9;++k)
                                    if (sum==v[k])break;

                                if (k!=10)
                                {
                                    sum=0;
                                    l1=i;l2=o;c1=j;c2=p;
                                   //g<<l1<<" "<<l2<<" "<<c1<<" "<<c2<<'\n';
                                   for (y=1;y<=l1;++y)vf[1]+=m[y][c1];
                                   for (;y<=l2;++y)vf[2]+=m[y][c1];
                                   for (;y<=n;++y)vf[3]+=m[y][c1];

                                   for (y=1;y<=l1;++y)vf[4]+=m[y][c2]-m[y][c1];
                                   for (;y<=l2;++y)vf[5]+=m[y][c2]-m[y][c1];
                                   for (;y<=n;++y)vf[6]+=m[y][c2]-m[y][c1];

                                   for (y=1;y<=l1;++y)vf[7]+=m[y][n]-m[y][c2];
                                   for (;y<=l2;++y)vf[8]+=m[y][n]-m[y][c2];
                                   for (;y<=n;++y)vf[9]+=m[y][n]-m[y][c2];

                                   /*for (y=1;y<10;++y)
                                   g<<vf[y]<<" ";
                                   g<<'\n';*/
                                   sort (vf+1,vf+10);
                                   for (y=1;y<10;++y)
                                        if (v[y]!=vf[y])
                                            break;

                                   if (y==10)
                                        {fprintf(fout,"%d %d %d %d\n",l1,l2,c1,c2);fclose(fout);exit(0);}
                                   for (y=1;y<10;++y)
                                        vf[y]=0;
                                }
                            }
                }
            }
    return 0;
}