Cod sursa(job #2500513)

Utilizator PopescuLucianPopescu Lucian PopescuLucian Data 28 noiembrie 2019 09:32:59
Problema Generare de permutari Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.68 kb
#include<fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int x[20],n,i;
int valid(int k)
{
    int i;
    for(i=1;i<k;i++)
        if(x[i]==x[k])
        return 0;
    return 1;
}
int main()
{
    f>>n;
    do
    {
        do
        {
            x[i]++;
            if(x[i]>n)
            {
                x[i]=0;
                i--;
            }
            else
                if(valid(i))
                i++;
        }while(i<=n&&i>0);
        if(i>n)
        {
            for(i=1;i<=n;i++)
                g<<x[i]<<" ";
            g<<"\n";
            i=n;
        }
    }while(i>0);
    return 0;
}