Cod sursa(job #2431495)
| Utilizator | Data | 19 iunie 2019 19:06:55 | |
|---|---|---|---|
| Problema | Problema Damelor | Scor | 100 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.96 kb |
#include <fstream>
using namespace std;
ifstream fin("damesah.in");
ofstream fout("damesah.out");
int n, sol[15],prima, nr;
int col[15], dp[30], ds[30];
void Afisare()
{
for(int i = 1; i <= n; i++)
fout << sol[i] << " ";
fout << "\n";
}
void Back(int k)
{
int i;
for(i = 1; i <= n; i++)
{
if(col[i]==0 && dp[n-(k-i)]==0 && ds[k+i-1]==0)
{
sol[k]=i;
col[i]=1;
dp[n-(k-i)]=1;
ds[k+i-1]=1;
if(k == n)
{
nr++;
if(prima==0)
{
Afisare();
prima = 1;
}
}
Back(k+1);
col[i]=0;
dp[n-(k-i)]=0;
ds[k+i-1]=0;
}
}
}
int main()
{
fin>>n;
Back(1);
fout << nr;
return 0;
}
