/// <summary>
/// The main method that is called outside this class that will solve the puzzle
/// and return the answer
/// </summary>
/// <returns>The answer to the puzzle</returns>
public int solvePuzzle()
{
// load the puzzle data into memory
string puzzleData = this.LoadPuzzleDataIntoMemory();
// split puzzel data where there is a blank line (splits it into question groups)
string[] eachQuestionGroupArray = puzzleData.Split("\r\n\r\n", StringSplitOptions.RemoveEmptyEntries);
// will hold the total number of distinct questions found from each group
int total = 0;
// go through each questionGroup (currently as a string)
foreach (string questionGroupData in eachQuestionGroupArray)
{
// create a class that will parase the questionGroupData
CustomsDeclaration.QuestionGroup questionGroup = new CustomsDeclaration.QuestionGroup();
// prase the string of text so we can find
questionGroup.parseData(questionGroupData);
// get the number of distinct questions for this question group
int distinctQuestions = questionGroup.GetNumberOfDistinctQuestionsAskedForThisGroup();
// keep track of all the distinct questions we have found
total += distinctQuestions;
}
return(total);
}
/// <summary>
/// The main method that is called outside this class that will solve the puzzle
/// and return the answer
/// </summary>
/// <returns>The answer to the puzzle</returns>
public int solvePuzzle()
{
// load the puzzle data into memory
string puzzleData = this.LoadPuzzleDataIntoMemory();
// split puzzel data where there is a blank line (splits it into question groups)
string[] eachQuestionGroupArray = puzzleData.Split("\r\n\r\n", StringSplitOptions.RemoveEmptyEntries);
// keeps track of all question groups where everyone answers yes to the same question
int NoQuestionWhichEveryOneAnswerdYes = 0;
// go through each questionGroup (currently as a string)
foreach (string questionGroupData in eachQuestionGroupArray)
{
// create a QuestionGroup which will parase the questionGroupData string
CustomsDeclaration.QuestionGroup questionGroup = new CustomsDeclaration.QuestionGroup();
// Parse the Question Group data so we can see what questions people have answerd
// yes too and work out the distinct questions in the group
questionGroup.parseData(questionGroupData);
// keep track of which questions everyone in the group answerd yes too
int NoQuestionsWhichEveryOneAnswerdYesinGroup = 0;
// go through each distinct question
foreach (string distinctQuestion in questionGroup.distinctQuestionsInGroupList)
{
// we will check this value at the end of the foreach loop.
// if it is still set to to true at that point we have found
// a question where everyone in the group has answerd yes to it.
// if anyone answerd no, this would be set to false
bool isQuestionPresentInEveryDeclarationForm = true;
// if the current customers had no questions
if (questionGroup.customerDeclarationFormList.Count == 0)
{
// set to false to indicate not all customers have answerd
// yes to the distinctQuestion we are looking at
isQuestionPresentInEveryDeclarationForm = false;
}
// customer has at least one question
else
{
// go through each question the customer has
foreach (CustomsDeclaration.CustomerDeclarationForm aForm in questionGroup.customerDeclarationFormList)
{
// if the customer does not have the distinct question
if (aForm.eachQuestion.Contains(distinctQuestion) == false)
{
// set to false to indicate not all customers have answerd
// yes to the distinctQuestion we are looking at
isQuestionPresentInEveryDeclarationForm = false;
break;
}
}
}
// check to see if distinctQuestion was found in the every customers declaration form
if (isQuestionPresentInEveryDeclarationForm == true)
{
// increment the counter by one to show that we found
// a question that was answerd yes by everyone customer in this group
NoQuestionsWhichEveryOneAnswerdYesinGroup++;
}
}
// keep track of the total number of questions which everyoen answerd yes too
// in each group
NoQuestionWhichEveryOneAnswerdYes += NoQuestionsWhichEveryOneAnswerdYesinGroup;
}
return(NoQuestionWhichEveryOneAnswerdYes);
}
