经典算法合集 基于C语言写成,非常经典的算法 包括数论,排列组合,矩阵运算 超大整数运算 求高精度pi值等多个算法.-Collection based on classic algorithms written in C language,including number theory, permutations and combinations, large integer arithmetic ,matrix operations and high precision value of pi

高效的数值算法，使用普通精度计算圆周率。不需要高精度的支持-Efficient numerical algorithm, calculation of pi using ordinary precision. Does not require the support of high-precision