#include<stdio.h>
    #include<string.h>
     
     
    int inverte (char *n, int y, int aux) {
        if (y <= aux) return 1;
        else {
            if (n[y] != n[aux]) return 0;
     
            return inverte(n, y-1, aux+1);
        } 
    }
     
     int palindromo (char *n) {
        int aux1, x = 0;
     
        aux1 = inverte(n, strlen(n) - 1, x);
     
        if (aux1 == 1) printf("Eh palindromo\n");
        else printf("Nao eh palindromo\n");
     
     }
     
     
     int main() {
     	palindromo("banana");
        palindromo("anna");
        palindromo("ana");
        palindromo("bananab");
        palindromo("aa");
        palindromo("a");
     
        return 0; 
     }