Template for Competitive Programming

Author: Muhammad Hasan (IF 2018)

There are a lot of templates that you can use, it’s up to you really. But, usually there is a common template that many competitive programmers use. Which is:

#include <bits/stdc++.h>

using namespace std;

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);


    return 0;
}

The first line on that template includes all the necessary stuff you might need (such as algorithms, math, etc). Then the first 3 magic lines in the main function is to speed up input and output when using cin and cout.

This may be called the basic template, so you could add some more if you want to, for an example:

#include <bits/stdc++.h>

using namespace std;

#define FOR(a, b) for (int i = (int) a; i < (int) b; i++)
#define pb push_back
#define mp make_pair
typedef long long ll;
typedef pair<int, int> pii;

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);


    return 0;
}