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- #include <iostream>
- using namespace std;
- struct vec3d {
- float x,y,z;
- vec3d (float x_,float y_,float z_):x(x_),y(y_),z(z_){
- cout<<"1 конструкция"<<endl;
- }
- vec3d():x(0),y(0),z(0){
- cout<<"2 конструкция"<<endl;
- }
- vec3d add(vec3d b){
- return vec3d(x+b.x,y+b.y,z+b.z);
- }
- };
- int main()
- {
- vec3d a;
- vec3d b(1,2,3);
- cout <<b.x<< " " <<b.y<< " " <<b.z<<endl;
- vec3d c=a.add(b);
- cout <<c.x<< " " <<c.y<< " " <<c.z<<endl;
- }
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