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Tien
17 lines
296 B
C
17 lines
296 B
C
#include "gmp.h"
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#include "factorial.h"
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#include <stdio.h>
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#include <stdlib.h>
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char *factorial(const int aNumber) {
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int i;
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mpz_t p;
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mpz_init_set_ui(p, 1);
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for (int i = 1; i <= aNumber; ++i) {
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mpz_mul_ui(p, p, i);
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}
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char * ret = mpz_get_str(NULL, 10, p);
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mpz_clear(p);
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return ret;
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}
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