#include<iostream>
#include<algorithm>
using namespace std;
int main() {
int a[100];
int n;
cin>>n;
for(int i=0; i<n; i++)
a[i]=i+1;
sort(a+1,a+n+1);
do {
for(int i=1; i<=n; i++)
cout<<char(a[i]+48)<<' ';
cout<<endl;
} while(next_permutation(a+1,a+n+1));
}
Processed:
0.020, SQL:
9
