#include <stdio.h>
#include "boilerplate.h"

int compare(const void * a, const void * b) {
    return ((signature *)a)->sign - ((signature *)b)->sign;
}

uint32_t getsig(char * word) {
    uint32_t result = 0;
    for (uint32_t i = 0; i < 5; i++) {
        uint32_t bit = 1u << (word[i] & CHARMASK);
        if (result & bit) {
            // duplicate letters
            return 0;
        }
        result |= bit;
    }
    return result;
}