Cod sursa(job #1553067)
| Utilizator | Data | 19 decembrie 2015 10:41:29 | |
|---|---|---|---|
| Problema | Generare de permutari | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.63 kb |
#include <fstream>
using namespace std;
ifstream f ("permutari.in");
ofstream g ("permutari.out");
int i,n,sol[50],a[50];
bool ok (int k)
{
int i;
for(i=1; i<k; i++)
if(sol[k]==sol[i]) return false;
return true;
}
void afis ()
{
int i;
for(i=1; i<=n; i++)
g<<a[sol[i]]<<" ";
g<<'\n';
}
void back (int k)
{
int i;
if(k>n) afis ( );
else
{
for(i=1; i<=n; i++)
{
sol[k]=i;
if(ok(k)) back(k+1);
}
}
}
int main()
{
f>>n;
for(i=1; i<=n; i++)
a[i]=i;
back(1);
return 0;
}
