Cod sursa(job #2251036)
| Utilizator | Data | 1 octombrie 2018 08:19:36 | |
|---|---|---|---|
| Problema | Generare de permutari | Scor | 80 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.69 kb |
#include <bits/stdc++.h>
using namespace std;
ifstream fin ("permutari.in");
ofstream fout ("permutari.out");
const int NMAX=8;
int n,v[NMAX];
int afis()
{
for(int i=1; i<=n; i++) fout<<v[i]<<" ";
fout<<'\n';
}
bool sol(int k)
{
return (k==n);
}
bool valid (int k)
{
for(int i=1; i<=k-1; i++)
{
if(v[k]==v[i]) return false;
}
return true;
}
int backk (int k)
{
for(int i=1; i<=n; i++)
{
v[k]=i;
if(valid(k))
{
if(sol(k))
{
afis();
}
else backk(k+1);
}
}
}
int main()
{
fin>>n;
backk(1);
return 0;
}
