testcases.cpp

#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using vi = vector<int>;
using vl = vector<ll>;
using vvi = vector<vi>;
using vvl = vector<vl>;
using pi = pair<int, int>;
using pl = pair<ll, ll>;

void solve(){
    
}

int main(int argc, const char** argv) {
    ios::sync_with_stdio(false);
    cin.tie(NULL); cout.tie(NULL);
    int T;
    cin >> T;
    while(T--){
        solve();
    }
    return 0;
}