#include <bits/stdc++.h> using namespace std; class coordinate { public: int x; int y; long int z; coordinate(int a, int b, int c):x(a),y(b),z(c) {};//构析 coordinate() {}; void m_gcd() { while (gcd(gcd(x,y), z) != 1) { x=x/gcd(gcd(x,y), z); ...