static void Main(string[] args)
{
Day1 day1Instance = new Day1();
Day2 day2Instance = new Day2();
Day3 day3Instance = new Day3();
Day4 day4Instance = new Day4();
Day5 day5Instance = new Day5();
Day6 day6Instance = new Day6();
/********************** Day - 1 **********************/
int productOfYears = 0;
bool firstPart = true;
/* Part 1 */
productOfYears = day1Instance.findProductof2020(firstPart);
/* Part 2 */
firstPart = false;
productOfYears = day1Instance.findProductof2020(firstPart);
/* ------------------------------------------------------ */
/********************** Day - 2 **********************/
int totalNumPasswords = 0;
firstPart = true;
/* Part 1 */
totalNumPasswords = day2Instance.findTotalRightPasswords(firstPart);
/* Part 2 */
firstPart = false;
totalNumPasswords = day2Instance.findTotalRightPasswords(firstPart);
/* ------------------------------------------------------ */
/********************** Day-3 **********************/
long numTrees = 0;
/* Part-1 */
numTrees = day3Instance.findNumTrees(3, 1);
/* Part-2 */
numTrees = day3Instance.findNumTrees(1, 1) * day3Instance.findNumTrees(3, 1)
* day3Instance.findNumTrees(5, 1) * day3Instance.findNumTrees(7, 1) * day3Instance.findNumTrees(1, 2);
/* ------------------------------------------------------ */
/********************** Day-4 **********************/
int numValidPassports = 0;
int numOfDataValid = 0;
/* Part-1 */
firstPart = true;
numValidPassports = day4Instance.findTotalValidPassports(firstPart);
/* Part-2 */
firstPart = false;
numOfDataValid = day4Instance.findTotalValidPassports(firstPart);
/* ------------------------------------------------------ */
/********************** Day-5 **********************/
int highestSeatId = 0;
int mySeat = 0;
/* Part-1 */
highestSeatId = day5Instance.checkHighestID();
/* Part-2 */
mySeat = day5Instance.checkMySeat();
/* ------------------------------------------------------ */
/********************** Day-5 **********************/
int numOfAnswered = 0;
int numOfQuesAllAnswered = 0;
/* Part-1 */
firstPart = true;
numOfAnswered = day6Instance.checkSumOfCounts(firstPart);
/* Part-2 */
firstPart = false;
numOfQuesAllAnswered = day6Instance.checkSumOfCounts(firstPart);
/* ------------------------------------------------------ */
}