1 files changed, 100 insertions, 0 deletions
diff --git a/Sem. 07/BullsAndColls.cpp b/Sem. 07/BullsAndColls.cpp
new file mode 100644
index 0000000..5b5a54e
--- /dev/null
+++ b/Sem. 07/BullsAndColls.cpp
@@ -0,0 +1,100 @@
+#include <iostream>
+#include <stdlib.h>    
+using namespace std;
+
+
+//Играта бикове и крави.
+// Комп. генерира случайно число ви интервала [1000...9999].
+// Ние трябва да го познаем.
+
+
+// 4278 - 1 бик, 1 крава (бик - число и позицията), (крава - числото , но и позицията)
+// Познавам числото, когато имам 4 бика
+
+bool hasDuplicateDigits(int n) ///1343
+{
+	const int DIGITCOUNT = 10;
+	bool found[DIGITCOUNT];  
+	for (int i = 0; i < DIGITCOUNT; i++)
+		found[i] = false;
+	while (n != 0)
+	{
+		int lastDigit = n % 10;
+		if (found[lastDigit] == true)
+			return true;
+		else
+			found[lastDigit] = true;
+		n /= 10;
+	}
+	return false;
+}
+
+void convertNumberToArr(int n, int arr[])
+{
+
+	for (int i = 3; i >= 0; i--)
+	{
+		arr[i] = n % 10;
+		n /= 10;
+	}
+
+}
+int countBulls(int myNumber[], int compNumber[])
+{
+	int bullsCount = 0;
+	for (int i = 0; i <= 3; i++)
+	{
+		if (myNumber[i] == compNumber[i])
+			bullsCount++;
+	}
+	return bullsCount;
+}
+int countCows(int myNumber[], int compNumber[])
+{
+	int cowsCount = 0;
+
+	for (int i = 0; i <= 3; i++)
+	{
+		int myDigit = myNumber[i];
+		for (int j = 0; j <= 3; j++)
+		{
+			if (j == i) // за да не броим биковете
+				continue;
+			if (myDigit == compNumber[j])
+				cowsCount++;
+		}
+	}
+	return cowsCount;
+}
+int main()
+{
+	int numberToGuess;
+	do
+	{
+		 numberToGuess = 1000 + rand() % 9000; // [1000..9999]
+	}
+	while (hasDuplicateDigits(numberToGuess));
+	
+	cout << "Computer has picked a number! Try to guess it!" <<endl;
+	int numberToGuessArr[4];
+	
+	convertNumberToArr(numberToGuess, numberToGuessArr);
+
+	int bullsCount = 0, cowsCount = 0;
+	do
+	{
+		int myNumber;
+		cin >> myNumber;
+		int myNumberArr[4];
+		convertNumberToArr(myNumber, myNumberArr);
+
+		bullsCount = countBulls(myNumberArr, numberToGuessArr);
+		cowsCount = countCows(myNumberArr, numberToGuessArr);
+
+		cout << "Bulls: " << bullsCount << " Cows:" << cowsCount << endl;
+
+
+	} while (bullsCount != 4);
+
+	cout << "Success!" << endl;
+}
+\ No newline at end of file