52 lines
731 B
C
52 lines
731 B
C
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#include <assert.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <string.h>
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#include "keys.code.h"
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int hash_g (char *s, int *T)
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{
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int i, f = 0;
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for (i = 0; s[i] != '\0'; i++) {
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f += T[i] * s[i];
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f %= NG;
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}
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return G[f];
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}
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int hash (char *k)
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{
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if (strlen (k) > NS)
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return 0;
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return (hash_g (k, T1) + hash_g (k, T2)) % NG;
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}
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bool has_key (char *k)
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{
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int h = hash (k);
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return h < NK && strcmp(k, K[h]) == 0;
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}
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int main ()
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{
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int i;
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char *junk = "acnhuvn5yushvghnw7og5siuhgsiuhnglsh45vgghwn";
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assert (has_key(junk) == 0);
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assert (hash(junk) == 0);
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for (i = 0; i < NK; i++) {
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assert (has_key(K[i]) == true);
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assert (hash(K[i]) == i);
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}
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puts ("OK");
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return 0;
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}
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