USACO Silver 2020 December - Stuck in a Rut

C++

Implementation

// Created by Qi Wang

#include <bits/stdc++.h>

using namespace std;


#define FOR(i, a, b) for(int i = (a); i < (b); i++)
#define FORE(i, a, b) for(int i = (a); i <= (b); i++)
#define F0R(i, a) for(int i = 0; i < (a); i++)