Cod sursa(job #868727)
Utilizator | Data | 31 ianuarie 2013 15:53:10 | |
---|---|---|---|
Problema | Generare de permutari | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.46 kb |
#include<fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int x[10], n;
int valid(int k)
{
for(int i=1; i<k; i++)
if(x[k]==x[i])
return 0;
return 1;
}
void afisez()
{
for(int i=1; i<=n; i++)
g<<x[i]<<' ';
g<<'\n';
}
int back(int k)
{
if(k==n+1)
afisez();
else
for(int i=1; i<=n; i++)
{
x[k]= i;
if(valid(k)==1)
back(k+1);
}
}
int main()
{
f>>n;
back(1);
return 0;
}