Cod sursa(job #1802103)
Utilizator | Data | 9 noiembrie 2016 21:07:46 | |
---|---|---|---|
Problema | Generare de permutari | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.64 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int N,x[10];
int valid(int k)
{
for(int i=1;i<k;++i)
if(x[i]==x[k])
return 0;
return 1;
}
int solutie(int k)
{
return k==N;
}
void afisare(int k)
{
for(int i=1;i<=k;++i)
fout<<x[i]<<" ";
fout<<"\n";
}
void Backtrack(int k)
{
for(int i=1;i<=N;i++)
{
x[k]=i;
if(valid(k))
if(solutie(k))
afisare(k);
else Backtrack(k+1);
}
}
int main()
{
fin>>N;
Backtrack(1);
return 0;
}