Cod sursa(job #1250892)
Utilizator | FMI-Coteanu Vlad sicsic | Data | 28 octombrie 2014 18:26:40 |
---|---|---|---|
Problema | Generare de permutari | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.49 kb |
#include<fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int n,v[9];
void afis()
{
int i;
for(i=1;i<=n;++i) g<<v[i]<<" ";
g<<'\n';
}
int cont(int k)
{
int i;
for(i=1;i<k;++i) if(v[i]==v[k]) return 0;
return 1;
}
void back(int k)
{
int i;
if(k==n+1) afis();
else for(i=1;i<=n;++i)
{
v[k]=i;
if(cont(k)) back(k+1);
}
}
int main()
{
f>>n;
back(1);
return 0;
}