Added error messages.

bulls-and-cows-cpp/CGame.cpp

@@ -13,6 +13,7 @@ void CGame::Init(int digits)
 	m_ucBulls = 0;
 	m_ucCows = 0;
 	m_uStepCounter = 0;
+	m_sLastError = L"";
 
 	std::random_device r;
 	std::default_random_engine e(r());
@@ -48,7 +49,34 @@ void CGame::Start()
 			ShowGuessedNumber(false);
 			PrintSteps();
 			ret = GetNumber(step);
-			if (ret == -1) return;
+			switch (ret)
+			{
+				case -1:
+				{
+					return;
+					break;
+				}
+				case -2:
+				{
+					m_sLastError = L"Вы должны ввести " + std::to_wstring(m_ucDigits) + L"-значное число!";
+					break;
+				}
+				case -3:
+				{
+					m_sLastError = L"Вы должны ввести число!";
+					break;
+				}
+				case -4:
+				{
+					m_sLastError = L"Цифры в числе не должны повторяться!";
+					break;
+				}
+				default:
+				{
+					m_sLastError = L"";
+					break;
+				}
+			}
 		} while (ret < 0);
 		m_uStepCounter++;
 	}
@@ -110,6 +138,7 @@ int CGame::GetNumber(CStep step)
 	std::wstring sNumber;
 	wchar_t c;
 
+	std::wcout << L"\t\t\t\t\t" << m_sLastError << L"\r";
 	std::wcout << L"=>\t";
 	std::wcin >> sNumber;
 	if (sNumber == L"Q" || sNumber == L"q") return -1;
@@ -140,29 +169,3 @@ int CGame::GetNumber(CStep step)
 
 	return 0;
 }
-
-bool CGame::IsEqual1(const int* a, const int n, int j)
-{
-	j--;
-	bool result = false;
-
-	while (j >= 0)
-	{
-		if (n == a[j]) result = true;
-		j--;
-	}
-	return result;
-}
-
-bool CGame::IsEqual2(const std::wstring& a, const wchar_t n, int j)
-{
-	j--;
-	bool result = false;
-
-	while (j >= 0)
-	{
-		if (n == a[j]) result = true;
-		j--;
-	}
-	return result;
-}

bulls-and-cows-cpp/CGame.h

@@ -15,6 +15,7 @@ private:
 	bool m_fGameIsEnd;
 	int m_uStepCounter;
 	int* m_uGuessedNumber;
+	std::wstring m_sLastError;
 	std::vector<CStep> m_Steps;
 
 	template<typename T, typename N>