Cod sursa(job #2777048)

Utilizator DauCuDalta43Diaconu Razvan DauCuDalta43 Data 21 septembrie 2021 22:18:32
Problema Problema Damelor Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.81 kb
#include <bits/stdc++.h>
using namespace std;

int n,col[20],ds[30],dr[30],v,cnt,sol[20];

ifstream fin("damesah.in");
ofstream fout("damesah.out");

void Afisare()
{
    int i,j;
    v=1;
    for(i=1;i<=n;i++)
        sol[col[i]]=i;
    for(i=1;i<=n;i++)
        fout<<sol[i]<<" ";
    fout<<"\n";
}

void Bacc(int top)
{
    if(top>n)
    {
        if(v==0)Afisare();
        cnt++;
        return;
    }
    for(int i=1;i<=n;i++)
    {
        if(col[i]==0&&ds[n-top+i]==0&&dr[n*2-i-top-1]==0)
        {
            col[i]=top;
            ds[n-top+i]=1;
            dr[n*2-i-top-1]=1;
            Bacc(top+1);
            col[i]=0;
            ds[n-top+i]=0;
            dr[n*2-i-top-1]=0;
        }
    }
}

int main()
{
    fin>>n;
    Bacc(1);
    fout<<cnt;
    return 0;
}