Cod sursa(job #1104174)
Utilizator | Lungu Daniel L.Daniel | Data | 10 februarie 2014 15:41:43 |
---|---|---|---|
Problema | Generare de permutari | Scor | 80 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.55 kb |
#include <fstream>
using namespace std;
int v[10], n;
int validare(int);
void scrie(int );
ifstream cin("permutari.in");
ofstream cout("permutari.out");
void BK(int k)
{
int i;
for (i = 1; i <= n; i++)
{
v[k] = i;
if (validare(k))
if (k == n) scrie(k);
else BK(k + 1);
}
}
int validare(int k)
{
int i;
for (i = 1; i <= k-1;i++)
if (v[i] == v[k])return 0;
return 1;
}
void scrie(int k)
{
int i;
for (i = 1; i <= k; i++)cout << v[i] << " ";
cout << endl;
}
int main()
{
cin >> n;
BK(1);
return 0;
}