Cod sursa(job #804402)
Utilizator | Ilie Ovidiu Horatiu horatiu11 | Data | 29 octombrie 2012 19:05:26 |
---|---|---|---|
Problema | Generare de permutari | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.52 kb |
# include <fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int N,st[9];
bool ap[11];
void tipar(int k)
{
int i;
for(i=1;i<=k;++i)
g<<st[i]<<' ';
g<<'\n';
}
void back(int k)
{
int x;
for(x=1;x<=N;++x)
{
st[k]=x;
if(ap[st[k]]==0)
{
ap[st[k]]=1;
if(k==N)tipar(k);
else back(k+1);
ap[st[k]]=0;
}
}
}
int main()
{
f>>N;
back(1);
return 0;
}