Cod sursa(job #151318)
Utilizator | Paul Urziceanu m3rik | Data | 7 martie 2008 23:32:49 |
---|---|---|---|
Problema | Generare de permutari | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.49 kb |
#include<fstream>
int n,stv[100],j;
//using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int tipar()
{
int ii;
for(ii=0;ii<n;ii++)
fout<<stv[ii]<<" ";
if(n==0) fout<<"0";
fout<<endl;
return 0;
}
int back(int k)
{
int cont,i;
if(k==n) tipar();
else for(i=1;i<=n;i++)
{
stv[k]=i;
cont=1;
for(j=0;j<k;j++)
if(stv[k]==stv[j]) cont=0;
if(cont) back(k+1);
}
return 0;
}
int main()
{
fin>>n;
back(0);
return 0;
}