sem 5

1 files changed, 132 insertions, 0 deletions

diff --git a/Sem. 05/BullsAndColls.cpp b/Sem. 05/BullsAndColls.cpp
new file mode 100644
index 0000000..93594b6
--- /dev/null
+++ b/Sem. 05/BullsAndColls.cpp
@@ -0,0 +1,132 @@
+#include <iostream>
+using namespace std;
+
+// Задача:
+// Играта бикове и крави.
+// Въвежда се число от потребителя. (скриваме го)
+
+// Приемаме заявки от вида :
+// x
+// 2 бика и 2 крави.
+const int DIGITS_COUNT = 5;
+
+
+int getNumberLength(int n)
+{
+	int count = 0;
+
+	if (n == 0)
+		return 1;
+
+	while (n != 0)
+	{
+		n /= 10;
+		count++;
+	}
+	return count;
+}
+
+bool containsDigit(int n, int searchedDigit)
+{
+	while (n != 0)
+	{
+		int lastDigit = n % 10;
+
+		if (lastDigit == searchedDigit)
+			return true;
+
+		n /= 10;
+	}
+	return false;
+}
+
+bool onlyDiffrentDigits(int n)
+{
+	while (n != 0)
+	{
+		int lastDigit = n % 10;
+		n /= 10;
+
+		if (containsDigit(n, lastDigit))
+			return false;
+	}
+
+	return true;
+}
+
+bool isValid(int n)
+{
+	return getNumberLength(n) == DIGITS_COUNT &&  onlyDiffrentDigits(n);
+}
+
+void userInput(int& input)
+{
+	do
+	{
+		cin >> input;
+	} while (!isValid(input));
+}
+
+int getBulls(int toGuess, int myGuess)
+{
+	int count = 0;
+
+	while (toGuess != 0)
+	{
+		int toGuessLastDigit = toGuess % 10;
+		int myGuessLastDigit = myGuess % 10;
+
+		if (toGuessLastDigit == myGuessLastDigit)
+			count++;
+
+		toGuess /= 10;
+		myGuess /= 10;
+	}
+	return count;
+}
+
+int getSumOfBullsAndCows(int  toGuess, int myGuess)
+{
+	int count = 0;
+	while (myGuess != 0)
+	{
+		int lastDigit = myGuess % 10;
+
+		if (containsDigit(toGuess, lastDigit))
+			count++;
+
+		myGuess /= 10;
+	}
+
+	return count;
+}
+
+void getBullsAndCows(int toGuess, int myGuess, int& bulls, int& cows)
+{
+	bulls = getBulls(toGuess, myGuess);
+	cows = getSumOfBullsAndCows(toGuess, myGuess) - bulls;
+}
+
+
+int main()
+{
+	int toGuess;
+	userInput(toGuess);
+
+	cout << "Success! Try to guess the number:" << endl;
+
+	int bulls = 0;
+	int cows = 0;
+
+	while (bulls != DIGITS_COUNT)
+	{
+		int myGuess;
+		userInput(myGuess);
+		getBullsAndCows(toGuess, myGuess, bulls, cows);
+
+		cout << "Bulls: " << bulls << " " << "Cows: " << cows << endl;
+	}
+	cout << "Success!" << endl;
+
+}
+