Cod sursa(job #1537946)

Utilizator andreiudilaUdila Andrei andreiudila Data 28 noiembrie 2015 12:17:29
Problema Problema Damelor Scor 90
Compilator cpp Status done
Runda Arhiva educationala Marime 0.98 kb
#include <fstream>
#include<cmath>
#include <iostream>
using namespace std;


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

int n,i,c[15],nrsol;


int abs(int x)
{
     if(x<0)
    return -x;
    else return x;
}

int ataca(int linie, int c[])
{
    int i;
    for(i=1;i<linie;i++)
    if(  (abs(c[i]-c[linie])==linie-i)  || c[linie]==c[i])
    return 1;

return 0;
}

void dame(int nr)
{
    int i;

    if(nr==n)
    {
    nrsol++;
    if(nrsol==1)
    {


    for(i=1;i<=n;i++)
    {


       printf("%d ", c[i]);
    }
    printf("\n");
    }
    }
    else
    {
        int i;
        for(i=1;i<=n;i++)
        {

        c[nr+1]=i;
        if(ataca(nr+1,c)==0)
            {
            dame(nr+1);
            }
        }
    }
}
int main()
{

    freopen("damesah.in", "r", stdin);
    freopen("damesah.out", "w", stdout);

    scanf("%d", &n);
    dame(0);
    printf("%d", nrsol);
    return 0;
}