1 files changed, 84 insertions, 0 deletions
diff --git a/11c/10.15.1/10.15.1.cpp b/11c/10.15.1/10.15.1.cpp
new file mode 100644
index 0000000..2228f7a
--- /dev/null
+++ b/11c/10.15.1/10.15.1.cpp
@@ -0,0 +1,84 @@
+// 10.15.1.cpp : This file contains the 'main' function. Program execution begins and ends there.
+//
+
+#include <iostream>
+#include <string>
+
+using namespace std;
+
+bool isPalindrome(char str[50]);
+
+bool isAlphaStr(char str[50]);
+
+int countChar(char str[50], char c);
+
+int main()
+{
+    char str[50]{};
+    char check;
+    int count;
+    
+    cout << "Input a string: ";
+    cin.getline(str, 50);
+    cout << "Input a charcter to check: ";
+    cin >> check;
+    cout << "\n\n";
+
+    if (isPalindrome(str))
+    {
+        cout << "\"" << str << "\" is a palindrome.\n";
+    }
+    else
+    {
+        cout << "\"" << str << "\" is not a palindrome.\n";
+    }
+
+    if (isAlphaStr(str))
+    {
+        cout << "\"" << str << "\" only contains alpahbetic charcters.\n";
+    }
+    else
+    {
+        cout << "\"" << str << "\" contains one or more non alphabetic charcters.\n";
+    }
+
+    count = countChar(str, check);
+    cout << "\"" << str << "\" contains " << count << " " << check << "'s.";
+}
+
+bool isPalindrome(char str[50])
+{  
+    string s = str, p = s;
+    reverse(p.begin(), p.end());
+
+    return s == p;
+}
+
+bool isAlphaStr(char str[50])
+{
+    int i = 0;
+    while (str[i])
+    {
+        if (!isalpha(str[i]))
+        {
+            return false;
+        }
+        i++;
+    }
+    return true;
+}
+
+int countChar(char str[50], char c)
+{
+    int count = 0, i = 0;
+    while (str[i])
+    {
+        if (str[i] == c)
+        {
+            count++;
+        }
+        i++;
+    }
+    return count;
+}
+