Cod sursa(job #1010058)

Utilizator victor_crivatCrivat Victor victor_crivat Data 14 octombrie 2013 11:12:28
Problema Generare de permutari Scor 80
Compilator cpp Status done
Runda Arhiva educationala Marime 0.54 kb
#include <fstream>
using namespace std;
int i,n,sol[10],a[10];
ifstream f("permutari.in");
ofstream g("permutari.out");

bool ok(int k)
{int i;
    for (i=1;i<k;i++)
    if (sol[k]==sol[i]) return false;
    return true;
}
void afis()
{int i;
    for (i=1;i<=n;i++)
    g<<a[sol[i]]<<" ";
    g<<endl;
}
void back(int k)
{int i;
    if (k>n) afis();
    else for (i=1;i<=n;i++)
              {sol[k]=i;
                  if (ok(k)) back(k+1);
              }
}
int main()
{f>>n;
   for (i=1;i<=n;i++) a[i]=i;
back(1);
}