added lab 8 programs

Author: pranav2012

Lab_8/Q1/output.png

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+#include<iostream>
+
+using namespace std;
+
+class Power{
+    private:
+        int number;
+        int power;
+        int answer;
+        void calculate(){
+            if (power == 0)
+                answer = 1;
+            else
+                for(int i = 0; i < power;i++)
+                    answer *= number;
+            cout<<"\n"<<number<<"^"<<power<<" is: "<<answer<<"\n";
+        }
+    public:
+       Power(int num, int p){
+           answer = 1;
+           number = num;
+           power = p;
+           calculate();
+       }
+};
+
+int main(){
+    Power obj(3,4);
+    return 0;
+}

Lab_8/Q1/power_of_number

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+#include <iostream>
+#include <string>
+
+using namespace std;
+
+class Employee
+{
+	string name;
+	int id;
+	public:
+		void getdetails()
+		{
+            cout << "\nEnter name: ";
+			cin >> name;
+            cout << "Enter id: ";
+            cin >> id;
+		}
+		void displayInfo()
+		{
+            cout << "\nid: " << id << " ";
+			cout << "name: " << name<<"\n";
+		}
+};
+
+const int no_of_employee = 5;
+
+int main()
+{
+	Employee st[no_of_employee];
+	for( int i=0; i < no_of_employee; i++ )
+	{
+		cout << "Employee " << i + 1;
+		st[i].getdetails();
+	}
+
+	for( int i=0; i < no_of_employee; i++ )
+	{
+		cout << "\nEmployee " << i + 1;
+		st[i].displayInfo();
+	}
+	return 0;
+}

Lab_8/Q1/power_of_number.cpp

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+#include<iostream>
+using namespace std;
+
+class Area{
+private:
+    int s,l,b;
+	float bs,ht;
+public:
+    int area(int s){
+        this->s = s;
+        return(this->s*this->s);
+    }
+    int area(int l,int b){
+        this->l = l;
+        this->b = b;
+        return(this->l*this->b);
+    }
+    float area(float bs,float ht){
+        this->bs = bs;
+        this->ht = ht;
+        return((this->bs*this->ht)/2);
+    }
+};
+
+int main()
+{
+	int s,l,b;
+	float bs,ht;
+    Area obj;
+	cout<<"Enter side of a square: ";
+	cin>>s;
+	cout<<"Enter length and breadth of rectangle: ";
+	cin>>l>>b;
+	cout<<"Enter base and height of triangle: ";
+	cin>>bs>>ht;
+	cout<<"Area of square is "<<obj.area(s);
+	cout<<"\nArea of rectangle is "<<obj.area(l,b);
+    cout<<"\nArea of triangle is "<<obj.area(bs,ht)<<"\n";
+}

Lab_8/Q2/Empoyee_data

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+#include <iostream>
+#include <cmath>
+
+using namespace std;
+
+class Equations{
+    private:
+        double a, b, c, eq[3];
+        void addvalue(){
+            eq[0] = pow(this->b,3) - pow(this->c,2);
+            eq[1] = pow(this->b,2) + pow(this->c,2) - 4*this->a*this->c;
+            eq[2] = pow(this->b,2) + pow(this->c, 2) + 2*this->a*this->c;
+        }
+        void show_result(){
+            cout<<"\nb^3 - c^2 = "<< eq[0]<<"\n";
+            cout<<"b^2 + c^2 - 4ac = "<< eq[1]<<"\n";
+            cout<<"b^2 + c^2 + 2ac = "<< eq[2]<<"\n";
+        }
+    public:
+        Equations(){
+            a, b, c, eq[0], eq[1], eq[2] = 0;
+        }
+        void result(int a, int b, int c){
+            this->a = a;
+            this->b = b;
+            this->c = c;
+            addvalue();
+            show_result();
+        } 
+        void result(double a, double b, double c){
+            this->a = a;
+            this->b = b;
+            this->c = c;
+            addvalue();
+            show_result();
+        }
+        void result(int a, double b, int c){
+            this->a = a;
+            this->b = b;
+            this->c = c;
+            addvalue();
+            show_result();
+        }
+        void result(int a, int b, double c){
+            this->a = a;
+            this->b = b;
+            this->c = c;
+            addvalue();
+            show_result();
+        }  
+};
+
+int main(){
+    Equations obj;
+    obj.result(5,3,2);
+    obj.result(2.2,4.7,1.9);
+    obj.result(7,2,4.77);
+    obj.result(3,6.143,5);
+    return 0;
+}