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#include <cstdio>
#include <cstring>

typedef unsigned int uint;

bool esPalindromeRec(char *frase, uint inf, uint sup) {
    bool res;
    if (inf >= sup)
        res = true;
    else if (frase[inf] != frase[sup])
        res = false;
    else
        res = esPalindromeRec(frase, inf + 1, sup - 1);
    return res;
}

bool esPalindrome(char *frase, uint largo) {
    return esPalindromeRec(frase, 0, largo - 1);
}

int main() {
    char palabra[] = "anana";
    uint len = 5;
    bool esPalindromo = esPalindrome(palabra, len);
    if (esPalindromo) {
        printf("La palabra '%s' es un palíndromo.\n", palabra);
    } else {
        printf("La palabra '%s' no es un palíndromo.\n", palabra);
    }
    return 0;
}