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DSA02033 - SỐ XA CÁCH.cpp
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DSA02033 - SỐ XA CÁCH.cpp
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#include<bits/stdc++.h>
#define mod 1000000007
#define ll long long
#define p(x) pair<x,x>
#define v(x) vector<x>
#define tree node*
#define sz(a) a.size()
#define f first
#define s second
#define pb(a) push_back(a)
#define pf(a) push_front(a)
#define FOR(i,l,r) for(int i=l;i<r;i++)
#define FORX(i,l,r,x) for(int i=l;i<r;i+=x)
#define FORD(i,l,r) for(int i=l;i>=r;i--)
#define correct(x,y,n,m) 0<=(x)&&(x)<(n)&&0<=(y)&&(y)<(m)
#define cin(M,n) FOR(i,0,n)cin>>M[i]
#define cout(M,n) FOR(i,0,n)cout<<M[i]
#define rs(M,x) memset(M,x,sizeof(M))
#define reset() FOR(i, 0, 1001)A[i].clear(),check[i]=false
#define faster() cin.tie(0); ios_base::sync_with_stdio(false); cout.tie(0);
#define run() int t; cin >> t; while (t--)
#define pq(x) priority_queue<x>
#define neg_pq(x) priority_queue<x, vector<x>, greater<x>>
#define all(M) M.begin(),M.end()
using namespace std;
//_______________________NGUYỄN_NGỌC_TOÀN_______________________//
bool check(v(int) M) {
FOR(i, 1, sz(M))if (abs(M[i] - M[i - 1]) == 1)return 0;
return 1;
}
int main() {
faster();
run() {
int n; cin >> n;
v(int) M(n);
iota(all(M), 1);
do {
if (check(M)) {
cout(M, sz(M));
cout << endl;
}
} while (next_permutation(all(M)));
}
}
//__________________________B20DCPT173__________________________//