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#include <stdio.h>
void perm(int poz, int n, int sol[]){
int i, j, ok, k;
if(n == poz){
for(i = 1; i <= n; i++){
printf("%d ", sol[i]);
}
printf("\n");
}
for(i = 1; i <= n; i++){
ok = 1;
for(j = 1; j <= poz; j++){
if(sol[j] == i){
ok = 0;
break;
}
}
if(ok){
sol[poz+1] = i;
perm(poz+1, n, sol);
}
}
}
int main()
{
freopen("permutari.in", "r", stdin);
freopen("permutari.out", "w", stdout);
int n;
scanf("%d", &n);
int i;
int vec[n];
for(i = 1; i <= n; i++){
vec[i] = 0;
}
perm(0, n, vec);
return 0;
}