main.cpp

#include <fstream>
#include <iostream>
#include <sstream>
#include <vector>

#include "day_1/Day1.h"
#include "day_10/Day10.h"
#include "day_11/Day11.h"
#include "day_12/Day12.h"
#include "day_13/Day13.h"
#include "day_14/Day14.h"
#include "day_15/Day15.h"
#include "day_16/Day16.h"
#include "day_17/Day17.h"
#include "day_18/Day18.h"
#include "day_19/Day19.h"
#include "day_2/Day2.h"
#include "day_20/Day20.h"
#include "day_21/Day21.h"
#include "day_22/Day22.h"
#include "day_23/Day23.h"
#include "day_24/Day24.h"
#include "day_25/Day25.h"
#include "day_3/Day3.h"
#include "day_4/Day4.h"
#include "day_5/Day5.h"
#include "day_6/Day6.h"
#include "day_7/Day7.h"
#include "day_8/Day8.h"
#include "day_9/Day9.h"
using namespace std;

int main() {
    int day_input;

    cout << "Input the day please: ";
    cin >> day_input;

    fstream file; // define the file
    file.open("../day_" + to_string(day_input) + "/input.txt", ios::in); // open the file

    vector<string> lines;
    string line;


    // throw an error if it does not open
    if (!file.is_open()) {
        cerr << "Error opening file" << endl;
        return 1;
    }

    while (getline(file, line)) {
        lines.push_back(line);
    }

    // close the file, not needed from this point on
    file.close();

    // this is far from pretty but is a nice and easy way to execute the different days
    switch (day_input) {
        case 1:
            Day1::execute(lines);
            break;
        case 2:
            Day2::execute(lines);
            break;
        case 3:
            Day3::execute(lines);
            break;
        case 4:
            Day4::execute(lines);
            break;
        case 5:
            Day5::execute(lines);
            break;
        case 6:
            Day6::execute(lines);
            break;
        case 7:
            Day7::execute(lines);
            break;
        case 8:
            Day8::execute(lines);
            break;
        case 9:
            Day9::execute(lines);
            break;
        case 10:
            Day10::execute(lines);
            break;
        case 11:
            Day11::execute(lines);
            break;
        case 12:
            Day12::execute(lines);
            break;
        case 13:
            Day13::execute(lines);
            break;
        case 14:
            Day14::execute(lines);
            break;
        case 15:
            Day15::execute(lines);
            break;
        case 16:
            Day16::execute(lines);
            break;
        case 17:
            Day17::execute(lines);
            break;
        case 18:
            Day18::execute(lines);
            break;
        case 19:
            Day19::execute(lines);
            break;
        case 20:
            Day20::execute(lines);
            break;
        case 21:
            Day21::execute(lines);
            break;
        case 22:
            Day22::execute(lines);
            break;
        case 23:
            Day23::execute(lines);
            break;
        case 24:
            Day24::execute(lines);
            break;
        case 25:
            Day25::execute(lines);
            break;
        default:
            cerr << "Error opening class corresponding to day" << endl;
            return 1;
    }
  return 0;
}