Daniele Fucini
3a09f3d4f5
Added solutions for problem 66, 67, 68, 69 and 70 in C and python. Also, minor improvements to the code for a few older problems.
28 lines
939 B
C
28 lines
939 B
C
#ifndef _PROJECTEULER_INCLUDED
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#define _PROJECTEULER_INCLUDED
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#include <gmp.h>
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int is_prime(long int);
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int is_palindrome(int num, int base);
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int is_palindrome_mpz(mpz_t n, int base);
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long int gcd(long int a, long int b);
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long int lcm(long int a, long int b);
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long int lcmm(long int *values, int n);
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int *sieve(int n);
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int count_divisors(int n);
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int find_max_path(int **triang, int n);
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int sum_of_divisors(int n);
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void swap(void **vet, int i, int j);
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void insertion_sort(void **array, int l, int r, int (*cmp)(void *lv, void *rv));
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void quick_sort(void **array, int l, int r, int (*cmp)(void *lv, void *rv));
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int next_permutation(void **perm, int n, int (*cmp)(void *a, void *b));
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int is_pandigital(int value, int n);
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int is_pentagonal(long int n);
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int *build_sqrt_cont_fraction(int i, int *period, int l);
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int pell_eq(int i, mpz_t x);
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int is_semiprime(int n, int *p, int *q, int *primes);
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int phi_semiprime(int n, int p, int q);
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#endif
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