Cod sursa(job #1854852)

Utilizator triscacezarTrisca Vicol Cezar triscacezar Data 23 ianuarie 2017 11:54:14
Problema Problema Damelor Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.67 kb
#include <bits/stdc++.h>

using namespace std;
ifstream f("damesah.in");
ofstream g("damesah.out");
int n,cnt,sol[14],x[14],v[14],s[30],d[30];
void bkt(int i)
{
    int j;
    if(i==n+1)
    {
        cnt++;
        if(cnt==1)
            for(j=1;j<=n;j++)
                sol[j]=x[j];
        return ;
    }
    for(j=1;j<=n;j++)
        if((v[j]==0)&&(d[n+i-j]==0)&&(s[i+j-2]==0))
        {
            v[j]=1;d[n+i-j]=1;s[i+j-2]=1;
            x[i]=j;
            bkt(i+1);
            v[j]=0;d[n+i-j]=0;s[i+j-2]=0;
        }
}
int main()
{
    f>>n;
    bkt(1);
    for(int i=1;i<=n;i++)
        g<<sol[i]<<' ';
    g<<'\n'<<cnt;
    return 0;
}