说明：  c语言若干个经典的程序案例，包括菲比那切数列问题，鸡兔同笼问题，素数问题，闰年问题，水仙花数问题，完数问题
(c language a number of cases of classic program, including Phoebe that cut the number of columns of the problem, chickens and rabbits with cage problem, prime numbers, the leap year problem, daffodils number of problems completed several)