C++ Program to check string is palindrome or not

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In this program, You will learn how to check string is palindrome or not in C++.

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Some palindrome string's example: madam, mam, dad

Example: How to check string is palindrome or not in C++.

#include<iostream>
#include<cstring>
using namespace std;

int main() {

    char str[100];
    int size, f = 1, i = 0;

    cout << "Enter a string:";
    cin.getline(str, 100);

    size = strlen(str);
    size = size - 1;

    while (str[i] != '\0') {
        if (str[i] != str[size]) {
            f = 0;
            break;
        }
        size--;
        i++;
    }

    if (f == 1) {
        cout << "String is palindrome:" << str;
    } else {
        cout << "String is not palindrome:" << str;
    }

    return 0;
}

Output:

Enter a string:level
String is palindrome:level