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#include<bits/stdc++.h>
#define in f
#define out g
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int n;
int aux;
int st[1000];
int tipar(int top) {
for(int i = 1; i <= n; ++i) {
out << st[i] << " ";
}
out << endl;
}
int succesor(int top) {
if(st[top] < n) {
st[top] += 1;
return 1;
} else {
return 0;
}
}
int valid(int top) {
for(int i = 1; i < top; ++i) {
if(st[top] == st[i]) {
return 0;
}
}
return 1;
}
int solutie(int top) {
if(top == n + 1) {
return 1;
} else {
return 0;
}
}
int init(int top) {
st[top] = 0;
return 0;
}
int bktr(int top) {
if(solutie(top)){
tipar(top);
} else {
while(succesor(top)) {
if(valid(top)) {
init(top + 1);
bktr(top + 1);
}
}
}
}
int main() {
in >> n;
int top = 1;
bktr(top);
}