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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
using vpi = vector<pii>;
using vi = vector<int>;
using vll = vector<long long>;
using mpii = map<int, int>;
using mpll = map<ll, ll>;
using db = long double;
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define lb lower_bound
#define ub upper_bound
#define make_unique(x) \
sort(all((x))); \
(x).resize(unique(all((x))) - (x).begin())
#define ceil(a, b) ((a) + (b)-1) / (b)
const int MOD = (int)1e9 + 7;
const db PI = acos((db)-1);
const int dx[4]{1, 0, -1, 0};
const int dy[4]{0, 1, 0, -1};
template <typename K, typename V>
ostream &operator<<(ostream &os, const pair<K, V> &p);
template <typename T> ostream &operator<<(ostream &os, const vector<T> &vec);
template <typename K, typename V>
ostream &operator<<(ostream &os, const map<K, V> &m);
template <typename K, typename V>
ostream &operator<<(ostream &os, const unordered_map<K, V> &m);
template <typename T> ostream &operator<<(ostream &os, const set<T> &s);
template <typename T>
ostream &operator<<(ostream &os, const unordered_set<T> &s);
template <typename K, typename V>
ostream &operator<<(ostream &os, const pair<K, V> &p) {
os << "(" << p.first << ", " << p.second << ")";
return os;
}
template <typename T> ostream &operator<<(ostream &os, const vector<T> &vec) {
os << "{";
for (size_t i = 0; i < vec.size(); ++i) {
if (i > 0)
os << ", ";
os << vec[i];
}
os << "}";
return os;
}
template <typename K, typename V>
ostream &operator<<(ostream &os, const map<K, V> &m) {
os << "{";
for (const auto &p : m) {
os << p.first << ": " << p.second << ", ";
}
os << "}";
return os;
}
template <typename K, typename V>
ostream &operator<<(ostream &os, const unordered_map<K, V> &m) {
os << "{";
for (const auto &p : m) {
os << p.first << ": " << p.second << ", ";
}
os << "}";
return os;
}
template <typename T> ostream &operator<<(ostream &os, const set<T> &s) {
int i = 0;
os << "{";
for (const auto &e : s) {
if (i > 0)
os << ", ";
os << e;
i++;
}
os << "}";
return os;
}
template <typename T>
ostream &operator<<(ostream &os, const unordered_set<T> &s) {
int i = 0;
os << "{";
for (const auto &e : s) {
if (i > 0)
os << ", ";
os << e;
i++;
}
os << "}";
return os;
}
void dbg() { cerr << "\n"; }
template <typename T, typename... TS> void dbg(T val, TS... vals) {
cerr << val << " ";
dbg(vals...);
}
/* stuff you should look for:
---------------------------
* special cases (n=1?)
* int overflow, array bounds
* do smth instead of nothing and stay organized
* WRITE STUFF DOWN
* DON'T GET STUCK ON ONE APPROACH
*/
void solve() {}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int tt;
cin >> tt;
while (tt--) {
solve();
}
}
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