Cod sursa(job #1001960)
Utilizator | Data | 26 septembrie 2013 17:21:27 | |
---|---|---|---|
Problema | Generare de permutari | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.71 kb |
#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int N,X[15];
void afisare()
{
for(int i=1;i<=N;i++)
fout<<X[i]<<' ';
fout<<'\n';
}
int valid(int k)
{
for(int i=1;i<k;i++)
if(X[i]==X[k])
return 0;
return 1;
}
inline int solutie(int k)
{
return (k==N);
}
void back(int k)
{
int i;
for(i=1;i<=N;i++)
{
X[k]=i;
if(valid(k))
{
if(solutie(k))
afisare();
else
back(k+1);
}
}
}
int main()
{
fin>>N;
back(1);
return 0;
}