Cod sursa(job #1568591)

Utilizator radu_uniculeu sunt radu radu_unicul Data 14 ianuarie 2016 15:05:01
Problema Generare de permutari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.52 kb
#include<cstdio>

using namespace std;

int v[9],n;
bool km9[9];

void print()
{
    for(int i=0; i<n; i++) printf("%d ",v[i]);
    printf("\n");
}

void bt(int k)
{
    for(int a=1; a<=n; a++)
    {
        if(!km9[a-1])
        {
            v[k]=a;
            km9[a-1]=1;
            if(k<n-1) bt(k+1);
            else print();
            km9[a-1]=0;
        }
    }
}

int main()
{
    freopen("permutari.in","r",stdin);
    freopen("permutari.out","w",stdout);
    scanf("%d",&n);
    bt(0);
}