Cod sursa(job #1007130)
Utilizator | Data | 8 octombrie 2013 12:44:36 | |
---|---|---|---|
Problema | Generare de permutari | Scor | 80 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.63 kb |
#include<fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n,st[10];
void afisare(int k)
{
int i;
for(i = 1; i <= k; i++)
fout << st[i] << ' ';
fout << endl;
}
int valid(int k)
{
for(int i = 1; i < k; i++)
if(st[k] == st[i])
return 0;
return 1;
}
void back(int k)
{
int i;
for(i = 1; i <= n; i++)
{
st[k] = i;
if(valid(k))
if(k == n)
afisare(k);
else back(k + 1);
}
}
int main()
{
int k;
fin>>n;
back(1);
return 0;
}