start.cpp

#include <iostream>
#define PI 3.14
#include <string>
using namespace std;

int main(){

    //Write a C++ program to take your name and age as input and print them.

    // string name;
    // int age;
    // cin>>name;
    // cin>>age;
    // cout<<"Your name is "<<name<<" and your age is "<<age<<endl;

    //Take two integers as input and print their sum

    // int a;
    // int b;
    // cin>>a;
    // cin>>b;
    // cout<<a+b<<endl;

    //Write a program to input a character and display it back to the user.

    // char FirstLetterOfName;
    // cin>>FirstLetterOfName;
    // cout<<FirstLetterOfName;

    //Input two number and print their sum , difference,product

    // int a;
    // int b;
    // cin>>a;
    // cin>>b;
    // cout<<a+b<<endl;
    // cout<<a-b<<endl;
    // cout<<a*b<<endl;

    //Input the length and breadth of a rectangle.Calculate and print

    // int length;
    // int breath;
    // cin>>length;
    // cin>>breath;
    // int area = length*breath;
    // int perimeter = 2*(length+breath);
    // cout<<"the area of rectangle is "<<area<<endl;
    // cout<<"the perimeter of rectangle is "<<perimeter<<endl;

    // Write a C++ program to take marks of 5 subjects and print the percentage.

    // int maths;
    // int science;
    // int hindi;
    // int Physics;
    // int drawing;
    // cin>>maths;
    // cin>>science;
    // cin>>hindi;
    // cin>>Physics;
    // cin>>drawing;
    // int totalmarks = 500;
    // int OutOfMarks = maths+science+hindi+Physics+drawing;
    // int percentage = OutOfMarks*100/totalmarks;
    // cout<<"You score "<<percentage<<" percentage";

    //Input the radius of circle and calculate

    // int radius;
    // cin>>radius;
    // int area = PI*radius*radius;
    // int circumference = 2*PI*radius;
    // cout<<"Area of circle is "<<area<<endl;
    // cout<<"Circumference of circle is "<<circumference;

    //Input temperature in Celsius and convert it to Fahrenheit using formula

    // int celsius;
    // cin>>celsius;
    // int fahrenhiet = (celsius*9/5)+32;
    // cout<<"The Temperature is "<<fahrenhiet;

    //

    //write a program to calculate the BMI using 

    // int height;
    // int weight;
    // cin>>height;
    // cin>>weight;
    // int BMI = weight/(height*height);
    // cout<<BMI;

}