Cod sursa(job #1971504)

Utilizator LizaSzabo Liza Liza Data 20 aprilie 2017 14:55:56
Problema Problema Damelor Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.9 kb
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("damesah.in");
ofstream fout("damesah.out");
const int Nmax=14;
int N,D[Nmax*2],V[Nmax],j,nr,Use[Nmax],L[Nmax],C[Nmax*2];



void Back(int i)
{
    for(int j=1;j<=N;++j)
    {
        V[i]=j;
        if((D[i+j+1]==0)&&(Use[j]==0)&&(C[i-j+N]==0))
        {
            if(i==N)
            {
                nr++;
                if(nr==1)
                for(int k=1;k<=N;++k)
                {

                    L[k]=V[k];
                }

            }

            Use[j]=1;
            C[i-j+N]=1;
            D[i+j+1]=1;

            Back(i+1);

            D[i+j+1]=0;
            C[i-j+N]=0;
            Use[j]=0;

        }
    }
}

int main()
{
    fin>>N;
    Back(1);
    for(int i=1;i<=N;++i)
    {
        fout<<L[i]<<" ";
    }
     fout<<"\n"<<nr<<"\n";
    return 0;
}