anders@anders-Satellite-U400:~/puzzle$ cat novel_she_calf.c
#include <stdio.h>
/*
iIf a cow produces its first she-calf at age two years and after that
produces another single she-calf every year, how many she-calves are
there after 12 years? assuming none die.
*/
unsigned int she_calves(unsigned int year)
{
unsigned int one_year = 0;
unsigned int two_year = 1;
unsigned int tmp;
while (year--) {
tmp = one_year;
one_year += two_year;
two_year = tmp;
}
return one_year + two_year - 1;
}
int main (int argc, char** argv)
{
unsigned int number;
if (argc != 2) {
printf("[usage]: she_calves [year]\n");
return 0;
}
number = she_calves(atoi(argv[1]));
printf("After %d years, she-calves number is %d\n", atoi(argv[1]),
number);
}
anders@anders-Satellite-U400:~/puzzle$ gcc novel_she_calf.c -o she_calves
anders@anders-Satellite-U400:~/puzzle$ ./she_calves 12
After 12 years, she-calves number is 232
anders@anders-Satellite-U400:~/puzzle$
--
Regards
Anders
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