template.cpp

#include<bits/stdc++.h>

using namespace std;

#define endl '\n'

#define LLINF LLONG_MAX/2
#define IINF INT_MAX/2

typedef long long ll;
typedef vector<vector<pair<int,ll>>> wgraph; // weighted graph
typedef vector<vector<int>> graph; // unweighted graph

typedef vector<vector<int>> imatrix;
typedef vector<vector<ll>> llmatrix;

template <typename T>
void print_vector(vector<T> &vec){
    for(unsigned i = 0; i < vec.size()-1; i++){
        cout << vec[i] << " "; 
    }
    cout << vec[vec.size()-1] << endl;
}

template <typename T>
void print_matrix(vector<vector<T>> &M){
    for(unsigned i = 0; i < M.size(); i++){
        print_vector<T>(M[i]);
    }
}

int main(){
    //std::ios::sync_with_stdio(0);cin.tie(0);

    return 0;
}