Cod sursa(job #2680312)

Utilizator ioana0211Ioana Popa ioana0211 Data 3 decembrie 2020 11:23:38
Problema Generare de permutari Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.57 kb
#include <fstream>

using namespace std;
ifstream fin ("permutari.in");
ofstream fout ("permutari.out");

int n;
int sol[10];
bool visit[10];
void print ()
{
    for(int i=1; i<=n; i++)
        fout<<sol[i]<<" ";
    fout<<"\n";
}
void backt (int k)
{
    if(k==n+1)
    {
        print();
        return;
    }
    for(int i=1; i<=n; i++)
    {
        if(!visit[i])
        {
            sol[k]=i;
            visit[i]=1;
            backt(k+1);
            visit[i]=0;
        }
    }
}
int main()
{
    fin>>n;
    backt(1);
    return 0;
}