Cod sursa(job #2738699)

Utilizator AndreiD31Dragan Andrei AndreiD31 Data 6 aprilie 2021 11:22:41
Problema Problema Damelor Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.79 kb
#include <bits/stdc++.h>

using namespace std;

ifstream f("damesah.in");
ofstream g("damesah.out");

int OK=1,n,nr,sol[15],fv1[101],fv2[101],fv3[101];

void beck(int k)
{
    int dif;

    if(k==n+1)
    {
        nr++;
        if(OK)
        {
            OK=0;
            for(int i=1;i<k;i++)g<<sol[i]<<" ";
        }
    }
    else
    {
        for(int i=1;i<=n;i++)
        {
            sol[k]=i;

            if(k>i)dif=k-i;
            else dif=(i-k)+50;

            fv1[i]++;
            fv2[dif]++;
            fv3[k+i]++;

            if(fv1[i]==1 && fv2[dif]==1 && fv3[k+i]==1)beck(k+1);

            fv1[i]--;
            fv2[dif]--;
            fv3[k+i]--;
        }
    }
}

int main()
{
    f>>n;
    beck(1);
    g<<'\n'<<nr;
    return 0;
}