PS: C++ macros

#include <bits/stdc++.h>

using namespace std;

#define nmod(a, n) (a % n + n) % n

#define fastio \

ios_base::sync_with_stdio(false); \

cin.tie(0);

#define inF freopen("input.txt", "r", stdin);

#define outF freopen("output.txt", "w", stdout);

#define sortv(v) sort(v.begin(), v.end());

#define sortvr(v) sort(v.begin(), v.end(), greater<int>());

#define rev(v) reverse(v.begin(), v.end());

#define pb push_back

#define all(a) a.begin(), a.end()

#define rep(i, n) for (int i = 0; i < int(n); ++i)

#define repp(i, m, n) for (int i = m; i < int(n); ++i)

#define vi vector<int>

#define umap unordered_map

#define vii vector<vector<int>>

#define ll long long

#define setp(n) cout << fixed << setprecision(n) ;

const double pi = acos(-1), eps = 1e-9;

template <typename T>

std::ostream &operator<<(std::ostream &os, const std::vector<T> &s)

{

for (auto const &i : s)

os << i << " ";

return os;

}

template <typename T>

std::istream &operator>>(std::istream &is, std::vector<T> &s)

{

for (int i = 0; i < s.size(); i++)

is >> s[i];

return is;

}

void setIO(string s)

{

freopen((s + ".in").c_str(), "r", stdin);

freopen((s + ".out").c_str(), "w", stdout);

}

const int INF = 1e9;

int main()

{

fastio;

}

C++ macros

you can use the following code template in your solution so it helps you write code faster

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