Cod sursa(job #1998759)
Utilizator | Dumitrescu Andrei dumitrescu_andrei | Data | 9 iulie 2017 00:11:59 |
---|---|---|---|
Problema | Generare de permutari | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.53 kb |
#include <bits/stdc++.h>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int a[10];
int n;
bool q[10];
void afisare()
{
for(int i=1;i<=n;++i)
g<<a[i]<<" ";
g<<'\n';
}
void BKTR(int k)
{
if(k==n+1)
afisare();
else
{
for(int i=1;i<=n;++i)
if(!q[i])
{
q[i]=1;
a[k]=i;
BKTR(k+1);
q[i]=0;
}
}
}
int main()
{
f>>n;
BKTR(1);
return 0;
}