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10974.cpp
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55 lines (36 loc) · 697 Bytes
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//
// 10974.cpp
// algo
//
// Created by 박효정 on 2021/10/13.
//
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
int n;
int vis[9];
void dfs(string str){
if(str.size()==n){
for(int i=0;i<str.size();i++){
cout<<str[i]<<' ';
}
cout<<"\n";
}else{
for(int i=1;i<=n;i++){
if(vis[i]==0){
vis[i]=1;
dfs(str+to_string(i));
vis[i]=0;
}
}
}
}
int main(){
cin.tie(0);
cout.tie(0);
std::ios::sync_with_stdio(false);
cin>>n;
dfs("");
return 0;
}