added sem 12

1 files changed, 54 insertions, 0 deletions

diff --git a/Sem. 12/task1.cpp b/Sem. 12/task1.cpp
new file mode 100644
index 0000000..1698c33
--- /dev/null
+++ b/Sem. 12/task1.cpp
@@ -0,0 +1,54 @@
+#include <iostream>
+using namespace std;
+
+bool isDigit(char ch)
+{
+	return ch >= '0' && ch <= '9';
+}
+int countDigits(const char* str)
+{
+	//int len = strlen(str);
+	//int count = 0;
+	//for (int i = 0; i < len; i++)
+	//{
+	//	if (isDigit(str[i]))
+	//		count++;
+	//}
+
+	int count = 0;
+	while (*str != '\0')
+	{
+		if (isDigit(*str))
+			count++;
+		str++;
+	}
+	return count;
+}
+
+void removeDigits(const char* str, char* resultStr)
+{
+	while (*str != '\0')
+	{
+		if (!isDigit(*str))
+		{
+			*resultStr = *str;
+			resultStr++;
+		}
+		str++;
+	}
+	*resultStr = '\0';
+}
+int main()
+{
+	const char* str = "hello friends 123 , how are you? 343. Fine!";
+
+	int len = strlen(str) - countDigits(str);
+
+	char* resultStr = new char[len + 1];
+
+	removeDigits(str, resultStr);
+
+	cout << resultStr << endl;
+
+	delete[] resultStr;
+}
\ No newline at end of file