/* modify the following code to determine palindromes */
#include <stdio.h>
int main(){
char temp_c, str[21];
int i=0, len=1;
do{ // getting input from user
scanf("%c", &temp_c);
if(temp_c!=' ' && temp_c!='\n')
str[i++] = temp_c;
} while(temp_c!=' ' && temp_c!='\n' && i<21);
len = i; //current i is string length
/*
your palindrome logic
*/
return 0;
}