Cod sursa(job #1408824)

Utilizator NwineNope Nope Nope Nwine Data 30 martie 2015 11:44:37
Problema Problema Damelor Scor 90
Compilator cpp Status done
Runda Arhiva educationala Marime 0.81 kb
#include<fstream>
#include<cmath>
using namespace std;
int x[50],i,n,k,j,ok=0,nr;
ifstream f("damesah.in");
ofstream g("damesah.out");
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;
    i=1;
    do
    {
        do
        {
            x[i]++;
            if(x[i]>n)
            {
                x[i]=0;
                i--;
            }
            else
            if(valid(i))
            i++;
        }while(i<=n && i>0);
        if(i>n)
        {
            if(ok==0)
            {
                for(j=1;j<=n;j++)
                g<<x[j]<<" ";
                ok=1;
            }
            i=n;nr++;
        }
    }while(i>0);
    g<<"\n";
    g<<nr;
    return 0;
}