11c/10.15.1/10.15.1.cpp


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// 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;
}