Cod sursa(job #1371009)

Utilizator delta_wolfAndrei Stoica delta_wolf Data 3 martie 2015 18:36:43
Problema Generare de permutari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.94 kb
#include <cstdio>
using namespace std;
int n,i,x[10];
void init(int k)
{
   x[k]=0;
}
int succ(int k)
{
    if(k<=n&&x[k]<n)
    {
        x[k]++;
        return 1;
    }
    else return 0;

}
int valid(int k)
{
    int i;
    for(i=1;i<k;i++)
    if(x[i]==x[k])
    return 0;
    return 1;
}
int solutie(int k)
{
      if(k==n)return 1;
      return 0;
}
void afis(int k)
{
    int i;
    for(i=1;i<=n;i++)
    printf("%d ",x[i]);
    printf("\n");
}
void back()
{
    int k,ok;
    k=1;
    init(k);
    while(k>0)
    {
        ok=0;
        while(ok==0&&succ(k))
        if(valid(k))ok=1;
        if(ok==0)
            k--;
        else if(solutie(k))
        afis(k);
        else
        {
            k++;
            init(k);
        }
    }
}
int main()
{
    freopen("permutari.in","r",stdin);
    freopen("permutari.out","w",stdout);
    scanf("%d",&n);
    back();
    return 0;
}