1 #include<iostream>
2 using namespace std;
3 class rect{
4 public:
5 rect(float L,float W){
6 length=L;
7 wide=W;
8 }
9 area_print(){
10 cout<<length*wide;
11 }
12 private:
13 float length,wide;
14 };
15
16 int main(){
17 float length,wide;
18 cin>>length>>wide;
19 rect a(length,wide);
20 a.area_print();
21 return 0;
22
23 }
1 #include<iostream>
2 using namespace std;
3 class Complex {
4 public:
5 Complex(float at,float bt) {
6 a=at;
7 b=bt;
8 }
9 Complex(float at) {
10 a=at;
11 }
12 void add(Complex &p) {
13 a=a+p.a;
14 b=b+p.b;
15 }
16 void show() {
17 cout<<a<<"+"<<b<<"i";
18 }
19 private:
20 float a,b;
21 };
22 int main(){
23 Complex c1(3,5);
24 Complex c2=4.5;
25 c1.add(c2);
26 c1.show();
27 return 0;
28 }
