Cod sursa(job #2029404)

Utilizator FloceaFlocea Eugen Flocea Data 29 septembrie 2017 23:04:54
Problema Problema Damelor Scor 90
Compilator cpp Status done
Runda Arhiva educationala Marime 0.81 kb
#include <iostream>
#include<fstream>
using namespace std;

ifstream in("damesah.in");
ofstream out("damesah.out");
int n, st[100], y=0, p=0;
int bun(int k)
{
    int i, s, s1;
    for(i=1;i<k;i++)
    {
        if(st[i]==st[k])return 0;
        s=k-i;
        s1=st[k]-st[i];
        if(s<0)s=s*(-1);
        if(s1<0)s1=s1*(-1);
        if(s==s1)return 0;
    }
    return 1;
}
void afis()
{
    int i;
    if(y==0)
    {
        for(i=1;i<=n;i++)
            out<<st[i]<<" ";
        y++;
    }
    p++;
}
void bkt()
{
    int k=1;
    while(k>0)
        if(st[k]<n)
    {
        st[k]++;
        if(bun(k))if(k==n)afis();
                    else k++;
    }
    else{
        st[k]=0;
        k--;
    }
}
int main()
{
    in>>n;
    bkt();
    out<<'\n'<<p;
    return 0;
}