Cod sursa(job #1001962)

Utilizator DaniEsDani Stetcu DaniEs Data 26 septembrie 2013 17:23:40
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],Use[15];
void afisare()
{
    for(int i=1;i<=N;i++)
            fout<<X[i]<<' ';
    fout<<'\n';
}

inline int solutie(int k)
{
    return (k==N);
}

void back(int k)
{
    int i;
    for(i=1;i<=N;i++)
        {
            X[k]=i;
            if(!Use[i])
               {
                if(solutie(k))
                    afisare();
                 else
                 {
                    Use[i]=1;
                    back(k+1);
                    Use[i]=0;
                 }

               }
        }
}
int main()
{
    fin>>N;
    back(1);
    return 0;
}