Cod sursa(job #1408831)

Utilizator NwineNope Nope Nope Nwine Data 30 martie 2015 11:46:06
Problema Problema Damelor Scor 90
Compilator cpp Status done
Runda Arhiva educationala Marime 0.75 kb
#include<fstream>
#include<cmath>
using namespace std;
ifstream f("damesah.in");
ofstream g("damesah.out");
int x[50],n,i,k,j,ok=0,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;
    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]<<" ";g<<"\n";}
            i=n;nr++;ok=1;
            }
}while(i>0);
g<<nr;
}