Cod sursa(job #2788271)

Utilizator Botnaru_VictorBotnaru Victor Botnaru_Victor Data 25 octombrie 2021 14:08:41
Problema Problema Damelor Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.87 kb
#include <bits/stdc++.h>

using namespace std;

ifstream f("damesah.in");
ofstream g("damesah.out");
int x[14],dx[27],dy[27];
int nr;
int sol[14]={1,0,0,2,10,4,40,92,352,724,2680,14200,73712};
vector<int> solmin;

bool beck(int l,int n)
{
    if(l==n)
    {
       return 1;
    }
    for(int i=0;i<n;i++)
    {
        if(!x[i]&&!dx[n+l-i]&&!dy[i+l])
        {
            x[i]=1;
            dx[n+l-i]=1;
            dy[i+l]=1;
            bool ok=beck(l+1,n);
            if(ok)
            {
                solmin.push_back(i);
                return 1;
            }
            x[i]=0;
            dx[n+l-i]=0;
            dy[i+l]=0;
        }
    }
    return 0;
}

int main()
{
    f>>nr;
    beck(0,nr);

    for(int i=solmin.size()-1;i>=0;i--)
    {
        g<<solmin[i]+1<<' ';
    }
    g<<'\n'<<sol[nr-1];

    return 0;
}