Cod sursa(job #2809677)

Utilizator AffectiveSmile2Mihnea Matea AffectiveSmile2 Data 27 noiembrie 2021 12:58:12
Problema Problema Damelor Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.96 kb
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("damesah.in");
ofstream g("damesah.out");
int n,xl[15],xc[15],nrSolutii=0;
int modul(int x)
{
    if(x<0)
        return -x;
    return x;
}
bool verif(int k)
{
    int i;
    for(i=1;i<k;i++)
    {
        if(xl[k]==xl[i])
            return 0;
        if(xc[k]==xc[i])
            return 0;
        if(modul(xl[k]-xl[i])==modul(xc[k]-xc[i]))
                return 0;
    }
    return 1;
}
void afis()
{
    int i;
    if(nrSolutii==0)
    {
        for(i=1;i<=n;i++)
            g<<xc[i]<<' ';
    }
    nrSolutii++;
}
void gen(int k)
{
    int i,j;
    if(k>n)
    {
        afis();
    }
    else
    {
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
        {
            xl[k]=i;
            xc[k]=j;
            if(verif(k))
                gen(k+1);
        }
    }
}
int main()
{
    f>>n;
    gen(1);
    g<<'\n'<<nrSolutii;


}