Answer Posted / felix

#include<stdio.h>
#include<ctype.h>
#include<string.h>

int isPalindrome( char *s );

int main ( void )
{
int i = 0;
int ch;
char s[100];

while ((ch = getchar()) != '\n') {
if (isalpha(ch)) {
s[i] = ch;
i++;
}
}

if ( isPalindrome(s) == 1) {
printf("Yes, is a palindrome.\n");
} else {
printf("No, not a palindrome.\n");
}

return 0;

}

int isPalindrome( char *s )
{
int i = strlen(s)-1;
int j = 0;

while (j<=i) {
if(s[j] != s[i]) {
return 0;
}
i--;
j++;
}
return 1;
}

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