#include <iostream>
using namespace std;

class Money {
private:
    int rupee;
    int paisa;

public:
    // Constructor to initialize rupee and paisa
    Money(int r, int p) {
        rupee = r;
        paisa = p;
    }

    // Member function to add two Money objects
    Money addMoney(const Money& other) {
        int totalRupees = rupee + other.rupee;
        int totalPaisa = paisa + other.paisa;

        // Carry-over paisa if it exceeds 99
        if (totalPaisa >= 100) {
            totalRupees += totalPaisa / 100;
            totalPaisa %= 100;
        }

        return Money(totalRupees, totalPaisa);
    }

    // Member function to display the Money object
    void display() {
        cout << rupee << " rupees " << paisa << " paisa" << endl;
    }
};

int main() {
    int rupee1, paisa1, rupee2, paisa2;

    cout << "Enter the first amount (rupees paisa): ";
    cin >> rupee1 >> paisa1;

    cout << "Enter the second amount (rupees paisa): ";
    cin >> rupee2 >> paisa2;

    Money motherMoney(rupee1, paisa1);
    Money fatherMoney(rupee2, paisa2);

    Money totalMoney = motherMoney.addMoney(fatherMoney);

    cout << "Total money given by parents: ";
    totalMoney.display();

    return 0;
}
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Read inputs from stdin

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#include <iostream>
#include <string>
using namespace std;

int main() 
{
    string name;
    cout << "Enter name:";
    getline (cin, name);
    cout << "Hello " << name;
    return 0;
}

About C++

C++ is a widely used middle-level programming language.

  • Supports different platforms like Windows, various Linux flavours, MacOS etc
  • C++ supports OOPS concepts like Inheritance, Polymorphism, Encapsulation and Abstraction.
  • Case-sensitive
  • C++ is a compiler based language
  • C++ supports structured programming language
  • C++ provides alot of inbuilt functions and also supports dynamic memory allocation.
  • Like C, C++ also allows you to play with memory using Pointers.

Syntax help

Loops

1. If-Else:

When ever you want to perform a set of operations based on a condition If-Else is used.

if(conditional-expression) {
   //code
}
else {
   //code
}

You can also use if-else for nested Ifs and If-Else-If ladder when multiple conditions are to be performed on a single variable.

2. Switch:

Switch is an alternative to If-Else-If ladder.

switch(conditional-expression){    
case value1:    
 // code    
 break;  // optional  
case value2:    
 // code    
 break;  // optional  
......    
    
default:     
 code to be executed when all the above cases are not matched;    
}

3. For:

For loop is used to iterate a set of statements based on a condition.

for(Initialization; Condition; Increment/decrement){  
  //code  
}

4. While:

While is also used to iterate a set of statements based on a condition. Usually while is preferred when number of iterations are not known in advance.

while (condition) {  
// code 
}

5. Do-While:

Do-while is also used to iterate a set of statements based on a condition. It is mostly used when you need to execute the statements atleast once.

do {  
 // code 
} while (condition);

Functions

Function is a sub-routine which contains set of statements. Usually functions are written when multiple calls are required to same set of statements which increases re-usuability and modularity. Function gets run only when it is called.

How to declare a Function:

return_type function_name(parameters);

How to call a Function:

function_name (parameters)

How to define a Function:

return_type function_name(parameters) {  
 // code
}