Cod sursa(job #2053213)

Utilizator AndreiG23Ghiurcuta Andrei AndreiG23 Data 31 octombrie 2017 17:02:36
Problema Generare de permutari Scor 80
Compilator cpp Status done
Runda Arhiva educationala Marime 0.74 kb
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n,k,st[10000005];
void init()
{
    st[k]=0;
}
int succesor()
{
    if(st[k]<n){st[k]++;return 1;}
    else return 0;
}
int valid()
{
    for(int i=1;i<k;i++)
        if(st[k]==st[i])return 0;
    return 1;
}
int solutie()
{
    return(k==n);
}
void tipar()
{
    for(int i=1;i<=n;i++)
        fout<<st[i]<<' ';
    fout<<endl;
}
void BK()
{
    int as;
    k=1;init();
    while(k>0)
    {
        do{}while((as=succesor())&&!valid());
        if(as)
            if(solutie())tipar();
            else{k++;init();}
            else k--;
    }
}
int main()
{
    fin>>n;
    BK();
}