Cod sursa(job #2480130)

Utilizator lucianistratiIstrati Lucian lucianistrati Data 24 octombrie 2019 22:33:45
Problema Problema Damelor Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 1.22 kb
#include <iostream>
#include <math.h>
#include <fstream>
#include <bits/stdc++.h>
using namespace std;
ifstream fin("damesah.in");
ofstream fout("damesah.out");
int col[15],n,i,dp[30],ds[30],Q[15],rez;
void afisare()
{
   // cout<<"DA";
    for(i=0;i<n;i++)
    {
        Q[i]++;
    }
    for(i=0;i<n;i++)
    {
       fout<<Q[i]<<" ";
    }
    for(i=0;i<n;i++)
    {
        Q[i]--;
    }
    fout<<"\n";
}
void mark(int no,int i,int k,int n)
{
    col[i]=no;
    dp[i-k+n-1]=no;
    ds[i+k]=no;
}
void bkt(int k,int n)
{
    if(k==n)
    {
        ++rez;
        //afisare();
          //cout<<"DA";
        if(rez==1)
        {
          //  cout<<"---";
            afisare();
        }
      // return;
    }
    else
    {
        for(int i=0;i<n;i++)
        {
            if(col[i]==0 && dp[i-k+n-1]==0 && ds[i+k]==0)
            {
                //cout<<n<<" ";
                //  cout<<"DA";
                Q[k]=i;
                mark(1,i,k,n);
                //afisare();
                bkt(k+1,n);
                //cout<<"DA2";
                mark(0,i,k,n);
            }
        }
    }
}
int main()
{
    fin>>n;
    bkt(0,n);
    fout<<rez;
    return 0;
}