From d3150b67f0b98c4c7a08e4b297d5fcb723cf609f Mon Sep 17 00:00:00 2001
From: Angel Dimitriev <achi_d@abv.bg>
Date: Wed, 15 Dec 2021 21:09:37 +0200
Subject: Add files via upload

---
 Sem. 10/example1.cpp | 59 ++++++++++++++++++++++++++++++++++++++++++++++++
 Sem. 10/example2.cpp | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 Sem. 10/example3.cpp | 39 ++++++++++++++++++++++++++++++++
 3 files changed, 162 insertions(+)
 create mode 100644 Sem. 10/example1.cpp
 create mode 100644 Sem. 10/example2.cpp
 create mode 100644 Sem. 10/example3.cpp

diff --git a/Sem. 10/example1.cpp b/Sem. 10/example1.cpp
new file mode 100644
index 0000000..41a79ff
--- /dev/null
+++ b/Sem. 10/example1.cpp	
@@ -0,0 +1,59 @@
+#include <iostream>
+using namespace std;
+
+bool isDigit(char ch)
+{
+	return '0' <= ch && ch <= '9';
+}
+
+void countNumbersAndDigits(const char* str, unsigned& numbersCount, unsigned& digitsCount )
+{
+	unsigned stringSize = strlen(str);
+	for (unsigned i = 0; i < stringSize; i++)
+	{
+		if (isDigit(str[i]))
+		{
+			digitsCount++;
+			if (i == 0 || !isDigit(str[i - 1]))
+				numbersCount++;
+		}
+	}
+}
+
+char* censoreNumbers(const char* str)
+{
+	unsigned digitsCount = 0;
+	unsigned numbersCount = 0; 
+	countNumbersAndDigits(str, numbersCount, digitsCount);
+
+	char* result = new char[strlen(str) - digitsCount + numbersCount + 1];
+	unsigned resultIter = 0;
+
+	unsigned strIter = 0;
+
+	while (str[strIter] != '\0')
+	{
+		if (isDigit(str[strIter]))
+		{
+			if (resultIter == 0 || result[resultIter - 1] != '*')
+				result[resultIter++] = '*';
+		}
+		else
+			result[resultIter++] = str[strIter];
+		strIter++;
+	}
+	result[resultIter] = '\0';
+	return result;
+}
+
+
+int main()
+{
+	char text[] = "abdg1236gdfgfd445fdg4";
+
+	char* result = censoreNumbers(text);
+
+	cout << result << endl;
+
+	delete[] result;
+}
diff --git a/Sem. 10/example2.cpp b/Sem. 10/example2.cpp
new file mode 100644
index 0000000..5ae389c
--- /dev/null
+++ b/Sem. 10/example2.cpp	
@@ -0,0 +1,64 @@
+#include <iostream>
+using namespace std;
+
+
+bool isLower(char ch)
+{
+	return 'a' <= ch && ch <= 'z';
+}
+bool isUpper(char ch)
+{
+	return 'A' <= ch && ch <= 'Z';
+}
+void countLowerAndCapitalLetters(const char* str, unsigned& lowerCount, unsigned& capitalCount)
+{
+	while (*str != '\0')
+	{
+		if (isLower(*str))
+			lowerCount++;
+		else if (isUpper(*str))
+			capitalCount++;
+
+		str++;
+	}
+}
+void getTwoStrings(const char* str, char*& lowerStr, char*& upperStr)
+{
+	unsigned lowerCount = 0;
+	unsigned upperCount = 0;
+	countLowerAndCapitalLetters(str, lowerCount, upperCount);
+
+	char* lowerSymbolsString = new char[lowerCount + 1];
+	char* upperSymbolsString = new char[upperCount + 1];
+	unsigned lowerIter = 0;
+	unsigned upperIter = 0;
+
+	while (*str != '\0')
+	{
+		if (isLower(*str))
+			lowerSymbolsString[lowerIter++] = *str;
+		else if (isUpper(*str))
+			upperSymbolsString[upperIter++] = *str;
+		str++;
+	}
+	lowerSymbolsString[lowerIter] = '\0';
+	upperSymbolsString[upperIter] = '\0';
+
+	lowerStr = lowerSymbolsString;
+	upperStr = upperSymbolsString;
+}
+
+
+int main()
+{
+	char* lowerStr = nullptr;
+	char* upperStr = nullptr;
+
+	getTwoStrings("abc34345ABCDd", lowerStr, upperStr);
+
+	cout << lowerStr << endl;
+	cout << upperStr << endl;
+
+	delete[] lowerStr, upperStr;
+
+}
diff --git a/Sem. 10/example3.cpp b/Sem. 10/example3.cpp
new file mode 100644
index 0000000..db6902b
--- /dev/null
+++ b/Sem. 10/example3.cpp	
@@ -0,0 +1,39 @@
+#include <iostream>
+using namespace std;
+
+void merge(int* arr1, unsigned size1, const int* arr2, unsigned size2)
+{
+	int* result = new int[size1 + size2];
+
+	unsigned iter1 = 0;
+	unsigned iter2 = 0;
+	unsigned resultIter = 0;
+
+	while (iter1 < size1 && iter2 < size2)
+	{
+		if (arr1[iter1] <= arr2[iter2])
+			result[resultIter++] = arr1[iter1++];
+		else
+			result[resultIter++] = arr2[iter2++];
+	}
+
+	while (iter1 < size1)
+		result[resultIter++] = arr1[iter1++];
+
+	while (iter2 < size2)
+		result[resultIter++] = arr2[iter2++];
+
+	memcpy(arr1, result, sizeof(int) * (size1+ size2));
+	delete[] result;
+}
+
+int main()
+{
+
+	int arr[9] = { 1, 3, 5, 10 };
+	int arr2[] = { 2, 4, 6, 100, 9900 };
+	merge(arr, 4, arr2, 5);
+
+	for (int i = 0; i < 9; i++)
+		cout << arr[i] << " ";
+}
-- 
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