利用C++最简实现素数算法，在时间和空间上均比其他算法要优异-In c++ language based on the most Jane realize primes algorithm, in time and space are to optimize than other algorithms

求n与m间的素数,并求和. 对不起,我知道我的程序太简单,但是我真得很渴望和你们一样强-Seeking between m and n primes and statistical number