Cod sursa(job #1222403)

Utilizator adimitudorTudor Adimi adimitudor Data 23 august 2014 10:37:31
Problema Generare de permutari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.64 kb
#include <fstream>
#include <algorithm>

using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n,i,p[9],L,R;
int main()
{
    fin>>n;
    for(i=1;i<=n;i++)p[i]=i;
    for(;;)
    {
        for(i=1;i<=n;i++)
            fout<<p[i]<<' ';
        fout<<'\n';
        for(L=n-1;L>=1;L--)
            if(p[L]<p[L+1])
                break;
        if(L==0)
            break;
        for(R=n;R>=L;R--)
            if(p[R]>p[L])
                break;
        i=p[L];p[L]=p[R];p[R]=i;
        for(L++,R=n;L<R;L++,R--)
        {
            i=p[L];p[L]=p[R];p[R]=i;
        }
    }
    return 0;
}