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Title A simple class called Point, with all necessary functions.
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Category C++ » Beginners / Lab Assignments
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# include<iostream.h> # include<conio.h> # include<math.h> class point { int x,y,z; public: point() { x=y=z=0; } point(int i,int j,int k) { x=i; y=j; z=k; } point(point &a) { x=a.x; y=a.y; z=a.z; } negate() { x=-x; y=-y; z=-z; } void print() { cout<<"("<<x<<","<<y<<","<<z<<")"; } int norm() { return(sqrt(x*x+y*y+z*z)); } }; void main() { clrscr(); point p(2,3,4),p1(p); cout<<"The point has the coordinates "; p.print(); cout<<" The point coordinates after negation "; p.negate(); p.print(); cout<<" Normal Distance of the point from (0,0,0) is "<<p.norm(); cout<<" The coordinates of the point p1 after copy constructor is "; p1.print(); getch(); }

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