Cod sursa(job #1404990)

Utilizator GinguIonutGinguIonut GinguIonut Data 28 martie 2015 18:57:16
Problema Problema Damelor Scor 90
Compilator cpp Status done
Runda Arhiva educationala Marime 0.85 kb
#include <fstream>
#include <algorithm>
#include <string.h>
using namespace std;
ifstream fin("damesah.in");
ofstream fout("damesah.out");
int sol[14],solu,n,ok1;
void verif(int k)
{
    if(ok1==0)
    {
        for(int i=1;i<=k-1;i++)
        fout<<sol[i]<<" ";
            fout<<'\n';
        ok1=1;
    }
    solu++;
}
void back(int k)
{
    if(k==n+1)
        verif(k);
    else
    {
        for(int i=1;i<=n;i++)
        {
            int ok=0;
            for(int j=1;j<=k-1&&ok==0;j++)
            {
                if(sol[j]==i||abs(sol[j]-i)==abs(j-k))
                    ok=1;
            }
        if(ok==0)
            {
                sol[k]=i;
                back(k+1);
                sol[k]=0;
            }
        }
    }

}
int main()
{
    fin>>n;
    back(1);
    fout<<solu;
    return 0;
}