Cod sursa(job #1922096)
Utilizator | Macovei Octavian-Cosmin Mc_Tavi | Data | 10 martie 2017 15:59:46 |
---|---|---|---|
Problema | Generare de permutari | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.59 kb |
#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n,a[10];
bool b[10];
void backtracking(int x,int l)
{
if(x-1==l)
{
for(int i=1; i<=l; i++)
fout<<a[i]<<' ';
fout<<'\n';
}
else
{
for(int i=1; i<=l; i++)
{
if(b[i]==0)
{
a[x]=i;
b[i]=1;
backtracking(x+1,l);
b[i]=0;
}
}
}
}
int main()
{
fin>>n;
backtracking(1,n);
return 0;
}