Print all suffixes?

 

#include <iostream>
#include <cstring>
using namespace std ;

void print_all_suffixes(char str[]){
    for (int e = strlen(str); e >= 0; --e) {
        for (int s = strlen(str); s >= e ; --s) {
            cout << str[s];
        }
        cout << '\n' ;
    }
}

int main (){
    char str[] = "abcd";
    print_all_suffixes(str);

    return 0 ;
}