Cod sursa(job #2946999)
Utilizator | Data | 25 noiembrie 2022 15:51:23 | |
---|---|---|---|
Problema | Generare de permutari | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.61 kb |
#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int st[11]={0},n;
void afiseaza(int p)
{
for(int i=1;i<=n;i++)
fout<<st[i]<<' ';
fout<<"\n";
}
bool valid(int p)
{
for(int i=1;i<p;i++)
if(st[i]==st[p]) return false;
return true;
}
void baack(int p)
{
int pval;
for(pval=1;pval<=n;pval++)
{
st[p]=pval;
if(valid(p))
{
if(p==n) afiseaza(p);
else baack(p+1);
}
}
}
int main()
{
fin>>n;
baack(1);
return 0;
}