Merge pull request kothariji#178 from Aditya-1904/master

Created  C++ Complex numbers  program

C++ Complex numbers

@@ -0,0 +1,47 @@
+#include<iostream>
+#include<new>
+using namespace std;
+class complex
+{
+float real,img;
+public:
+
+complex(float a,float b)
+{
+real=a;
+img=b;
+}
+complex(float a)
+{
+real=a;
+img=1;
+}
+complex(complex &p)
+{
+real=p.real;
+img=p.img;
+}
+void display()
+{
+cout<<endl<<real<<"+i"<<img;
+}
+complex& sum(complex &z)
+{
+complex w(0,0);
+w.real=this->real+z.real;
+w.img=this->img+z.img;
+return w;
+}
+};
+int main()
+{
+complex *c1=new complex(2.0,3);
+complex *c2=new complex(4);
+complex *c3=new complex(*c1);
+c1->display();
+c2->display();
+c3->display();
+*c3=c2->sum(*c1);
+c3->display();
+return 0;
+}