Cod sursa(job #1007091)
Utilizator | Data | 8 octombrie 2013 11:33:48 | |
---|---|---|---|
Problema | Generare de permutari | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.6 kb |
#include <fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int x,k,n,i;
int st[9];
int valid(int k)
{
for(i=1;i<k;++i)
{
if(st[i]==st[k]) return 0;
}
return 1;
}
void tipar(int k)
{
for(i=1;i<=k;++i) g<<st[i]<<" ";
g<<'\n';
}
void back(int k)
{
int x;
for(x=1;x<=n;++x)
{
st[k]=x;
if(valid(k)) {
if(k==n) tipar(k);
else back(k+1);
}
}
}
int main()
{
f>>n;
back(1);
return 0;
}