求大神编写一个计算gcd和lcm的C++程序

#include template inline voidGCD(T &d, T a, T b) { while (b) { d = a % b; a = b; b = d; } d = a;}template inline voidLCM(T &m, T const a, T const b, T const d) { m = a * b / d;}template inline voiddo_main(std::ostream