resnikal71202/fibonacci_prime_numbers
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added the right limit

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This commit is contained in:
Alex Resnik 2019-07-03 14:05:34 +02:00
parent 48dac3fb2d
commit f33853f0a3
1 changed files with 8 additions and 9 deletions
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17
prim.c
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@ -3,8 +3,7 @@
#include <limits.h> #include <limits.h>
#define typ long long int #define typ long long int
bool foo(typ* x){
bool is_it_a_prim(typ* x){
int k = 2; int k = 2;
while(k < *x){ while(k < *x){
if(*x % k == 0) if(*x % k == 0)
@ -14,18 +13,18 @@ k++;
return true; return true;
} }
int main(void){ int main(void){
typ fn = 0, fn_1 = 1, fn_2 = 0; typ fn = 0, fn_1 = 1, fn_2 = 0;
int i = 2;
while(fn < LLONG_MAX) printf("%llu",ULONG_MAX);
while(fn < ULONG_MAX)
{ {
fn = fn_1 + fn_2; fn = (typ)fn_1 + (typ)fn_2;
if(is_it_a_prim(&fn)) if(foo(&fn))
printf("%d\t%llu\n",i ,fn); printf("%llu\n",fn);
fn_2 = fn_1; fn_2 = fn_1;
fn_1 = fn; fn_1 = fn;
i++;
} }
return 0; return 0;
} }