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C Program to Check if a given String is Palindrome

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C Program to Check if a given String is Palindrome

```
#include <stdio.h>
```
```
#include <string.h>
```
```
 
```
```
void main()
```
```
{
```

    char string[25], reverse_string[25] = {'\0'};

```
    int  i, length = 0, flag = 0;
```
```
 
```
```
    fflush(stdin);
```
```
    printf("Enter a string \n");
```
```
    gets(string);
```

    /*  keep going through each character of the string till its end */

```
    for (i = 0; string[i] != '\0'; i++)
```
```
    {
```
```
        length++;
```
```
    }
```
```
    for (i = length - 1; i >= 0; i--)
```
```
    {
```

       reverse_string[length - i - 1] = string[i];

```
    }
```
```
    /*
```

     * Compare the input string and its reverse. If both are equal

     * then the input string is palindrome.

```
     */
```
```
    for (i = 0; i < length; i++)
```
```
    {
```

        if (reverse_string[i] == string[i])

```
            flag = 1;
```
```
        else
```
```
            flag = 0;
```
```
    }
```
```
    if (flag == 1)
```

        printf("%s is a palindrome \n", string);

```
    else
```

        printf("%s is not a palindrome \n", string);

```
}
```

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