Mai intai trebuie sa te autentifici.
Cod sursa(job #2343794)
Utilizator | Data | 14 februarie 2019 12:41:43 | |
---|---|---|---|
Problema | Generare de permutari | Scor | 20 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.67 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int k,n;
int ST[10];
void tipar(int k)
{
int i;
for (i=1;i<=k;i++)
fout<<ST[i];
}
int valid(int k)
{
int i;
for (i=1;i<=k-1;i++)
if (ST[k]==ST[i])
return 0;
return 1;
}
void back(int k)
{
int i;
for (i=1;i<=n;i++)
{
ST[k]=i;
if (valid(k))
if (k==n)
{
tipar(k);
fout<<endl;
}
else
back(k+1);
}
}
int main()
{
fin>>n;
back(1);
return 0;
}