Cod sursa(job #1007136)
Utilizator | Data | 8 octombrie 2013 12:58:21 | |
---|---|---|---|
Problema | Generare de permutari | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.54 kb |
#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int k,n,i;
int st[9],use[10];
void tipar(int k)
{
for(i=1;i<=k;++i) fout<<st[i]<<" ";
fout<<'\n';
}
void back(int k)
{
int i;
for(i=1;i<=n;++i)
{
if (use[i]==0)
{
st[k]=i;
use[i]=1;
if(k==n) tipar(k);
else back(k+1);
use[i]=0;
}
}
}
int main()
{
fin>>n;
back(1);
return 0;
}