Cod sursa(job #654895)

Utilizator bia.liliPoenar Liana bia.lili Data 31 decembrie 2011 11:34:15
Problema Generare de permutari Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.53 kb
# include <fstream>
# include <iostream>
using namespace std;
ifstream f("submultimi.in");
ofstream g("submultimi.out");
int n,st[10],i;
int afisare()
{
     int i;
  for(i=1;i<=n;i++)
   g<<st[i]<<" ";
g<<"\n";
     }
bool  valid(int p)

{
for(i=1;i<=p;i++)
     if(st[i]==st[p]) return 0;
     
return 1;
}
void back(int p)
{
if(p-1 == n)
{
afisare();
return ;
}
for(int i=1;i<=n;i++)
{
st[p]=i;
if(valid(p))
back(p+1);    
              }
}
int main()
{
    f>>n;
    back(1);
    return 0;
}