NPTEL( 14 Sep - 06 Nov ) | Week 3 Programming Qs1 and Programming Qs2 Programming in CPP 2020

  

       Programming in C++       

W3_Programming-Qs 1:

Consider the following program and fill the blanks (in LINE-1, LINE-2, and LINE-3) with

appropriate definitions for constructor, destructor and area(). Please check the sample input

and output.

PROGRAM:

    triangle(int b, int h): _base(new int(b)) , _height(new int (h)){} 

    ~triangle() {
      delete(_base);
      delete(_height);
    }
    double area();
};

double triangle ::area()
{  
  
  

W3_Programming-Qs 2:

Consider the following program. Fill in the blanks at LINE-2 and LINE-3 to make the function

constant and at LINE-1 to make the variable editable from the constant function. Consider

the following test cases.

PROGRAM:

    mutable int _sem;        // LINE-1
public:
    Student(int roll, string name, int sem)
        : _roll(roll), _name(name), _sem(sem) { }

    void promote() const { // LINE-2
        _sem++;
    }

    void display() const { // LINE-3
 

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