Cod sursa(job #3321292)

Utilizator Lucian_info_25Sima Lucian-Stefan Lucian_info_25 Data 8 noiembrie 2025 23:39:55
Problema Problema Damelor Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.8 kb
#include <fstream>
#include <cstdlib>
using namespace std;
int n, x[20]; bool da=0;

bool Val(int k)
{
    for(int i=1; i<k; ++i)
    {
        if(x[i]==x[k])return 0;
        if(k-i==abs(x[k]-x[i]))
            return 0;
    }
    return 1;
}

void Afisare(int n)
{
    da=1;for(int i=1; i<=n; ++i)
    {
        for(int j=1; j<=n; ++j)
            if(x[j]==i)fout<<"* ";
            else fout<<"- ";
        fout<<'\n';
    }
}

void Back(int k)
{
    for(int i=1; !da&&i<=n; ++i)
    {
        x[k]=i;
        if(Val(k))
        {
            if(k==n)Afisare(n);
            else Back(k+1);
        }
    }
}

int main()
{
    ifstream fin("damesah.in");
    ofstream fout("damesah.out");
    fin >> n;
    Back(1);
    fin.close();
    fout.close();
    return 0;
}