Cod sursa(job #1408825)

Utilizator malinaciotau marciuc malina andreea malina Data 30 martie 2015 11:44:39
Problema Problema Damelor Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.78 kb
#include<fstream>
#include<cmath>
using namespace std;
ifstream f("damesah.in");
ofstream g("damesah.out");
int x[20],n,i,nr;
int valid(int k)
{
    int i;
    for(i=1;i<k;i++)
    if(x[i]==x[k]||fabs(x[i]-x[k])==fabs(k-i))
            return 0;
        return 1;
}
int main ()
{
    f>>n;
    nr=0;
    i=1;
    do
    {
        do
        {
            x[i]++;
            if(x[i]>n)
            {
                x[i]=0;
                i--;
            }
            else
                if(valid(i))
                i++;
        }while(i>0&&i<=n);
    if(i>n&&nr==0)
        {
            for(i=1;i<=n;i++)
                g<<x[i]<<" ";
            i=n;
            g<<'\n';
        }
        nr++;

    }while(i>0);
    g<<nr;
    return 0;
}