LA2995 Image Is Everything

#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <cmath>
#include <vector>
#include <algorithm>
using namespace std;
const int maxn = 15;
const int maxv = 1005;
const int mod = 1e9+7;
const int INF = 0x3f3f3f3f;
typedef long long LL;
char s[7][maxn][maxn];
char pos[maxn][maxn][maxn];
int n;
void get_pos(int k,int i,int j,int d,int &x,int &y,int &z)
{
    if(k==0){x = j;y = n-d-1;z = n-i-1;}
    if(k==1){x = d;y = j;z = n-i-1;}
    if(k==2){x = n-j-1;y = d;z = n-i-1;}
    if(k==3){x = n-d-1;y = n-j-1;z = n-i-1;}
    if(k==4){x = j;y = i;z = n-d-1;}
    if(k==5){x = j;y = n-i-1;z = d;}
}
int main()
{
//    freopen("in.txt","r",stdin);
//    freopen("out.txt","w",stdout);
    while(~scanf("%d",&n) && n)
    {
        for(int i = 0;i<n;++i)
            for(int j = 0;j<6;++j)
                scanf("%s",s[j][i]);
        for(int i = 0;i<n;++i)
            for(int j = 0;j<n;++j)
                for(int k = 0;k<n;++k)
                    pos[i][j][k] = ‘#‘;
        for(int k = 0;k<6;++k)
            for(int i = 0;i<n;++i)
                for(int j = 0;j<n;++j)if(s[k][i][j]==‘.‘)
                {
                    for(int l = 0;l<n;++l)
                    {
                        int x,y,z;
                        get_pos(k,i,j,l,x,y,z);
                        pos[x][y][z] = ‘.‘;
                    }
                }
        while(1)
        {

            int ok = 1;
            for(int k = 0;k<6;++k)
                for(int i = 0;i<n;++i)
                    for(int j = 0;j<n;++j)
                        for(int l = 0;l<n;++l)
                        {
                            int x,y,z;
                            get_pos(k,i,j,l,x,y,z);
                            if(pos[x][y][z]==‘.‘)continue;
                            if(pos[x][y][z]==‘#‘){pos[x][y][z] = s[k][i][j];break;}
                            if(pos[x][y][z]==s[k][i][j])break;
                            pos[x][y][z] = ‘.‘;
                            ok = 0;
                        }
            if(ok)break;
        }
        int ans = 0;
        for(int i = 0;i<n;++i)
            for(int j = 0;j<n;++j)
                for(int k = 0;k<n;++k)
                    if(pos[i][j][k]!=‘.‘)ans++;

        printf("Maximum weight: %d gram(s)\n",ans);

    }
    return 0;
}