Mai intai trebuie sa te autentifici.
Cod sursa(job #1012155)
Utilizator | Data | 18 octombrie 2013 12:49:51 | |
---|---|---|---|
Problema | Generare de permutari | Scor | 20 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.53 kb |
using namespace std;
#include<fstream>
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n,k,x[100];
int valid(int k)
{
int i;
for(i=1;i<k;i++)
if(x[k]==x[i])
return 0;
return 1;
}
int solutie(int k)
{
return(k==n);
}
void afisare(int k)
{
int i;
for(i=1;i<=k;i++)
fout<<x[i];
fout<<"\n";
}
void back(int k)
{
int i;
for(i=1;i<=n;i++)
{
x[k]=i;
if(valid(k))
if(solutie(k))
afisare(k);
else
back(k+1);
}
}
int main()
{
fin>>n;
back(1);
}