Is Palindrome

Task

Implement is_palindrome

• Check if a string is a palindrome (reads the same forwards and backwards). Return 1 if it is a palindrome or 0 if it is not

Function Signature

// Returns 1 if the string is a palindrome (reads the same forwards 
// and backwards), 0 otherwise.
uint8_t is_palindrome(char str[]);

---

Test

$ gcc is_palindrome.c -o is_palindrome
$ ./is_palindrome 
racecar
1
hello
0
madam
1
noon
1
test
0
$ ./is_palindrome < small_input.txt
1
0
1
1
0

---

Code

#include <stdint.h>
#include <string.h>
 
uint8_t is_palindrome(char str[]){
	for(int i = 0, j = strlen(str) - 1; i < j; i++, j--){
		if(str[i] != str[j]){
			return 0;
		}
	}
	return 1;
}