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Cod sursa(job #348435)
#include <fstream>
using namespace std;
ifstream in("permutari.in");
ofstream out("permutari.out");
int n;
int v[8];
void perm(int p=0){
if(p<n){
for(int i=1;i<=n;i++){
bool good=true;
for(int j=0;j<p&&good;j++){
if(v[j]==i) good=false;
}
if(good){
v[p]=i;perm(p+1);
}
}
}else{
for(int i=0;i<n;i++){
out<<v[i]<<" ";
}
out<<"\n";
}
}
int main(){
in>>n;
perm();
}