19 lines
442 B
C
19 lines
442 B
C
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#include <stdio.h>
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#include "boilerplate.h"
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int compare(const void * a, const void * b) {
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return ((signature *)a)->sign - ((signature *)b)->sign;
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}
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uint32_t getsig(char * word) {
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uint32_t result = 0;
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for (uint32_t i = 0; i < 5; i++) {
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uint32_t bit = 1u << (word[i] & CHARMASK);
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if (result & bit) {
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// duplicate letters
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return 0;
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}
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result |= bit;
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}
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return result;
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}
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