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Week 7: Programming Assignment 1

Due on 2022-03-17, 23:59 IST

Consider the following program. Fill in the blanks at LINE-1, 2, and 3 with appropriate inheritance statement

such that it will satisfy the given test cases.

Your last recorded submission was on 2022-03-17, 08:00 IST

Select the Language for this assignment.

#include <iostream>
using namespace std;
class Base {
    public:
        Base(int x = 0) { cout << x << " "; }
        void fun(int i){ cout << i << " "; }
};

class D1 : virtual public Base { // LINE-1 : Inherit from class Base
    public:
        D1(int x = 0) : Base(x+1) { fun(x+1); }
};
class D2 : virtual public Base { // LINE-2 : Inherit from class Base
public:
    D2(int x = 0) : Base(x+2) { fun(x+2); }
};
class DD : public D1, public D2 { // LINE-3 : Inherit from class D1 and D2
    public:
        DD(int i = 0) : D1(i*2), D2(++i) { fun(i); }
};

int main() {
    int i;
    cin >> i;
    DD obj(i);
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

This assignment has Public Test cases. Please click on "Compile & Run" button to see the status of Public test cases. Assignment will be evaluated only after submitting using Submit button below. If you only save as or compile and run the Program , your assignment will not be graded and you will not see your score after the deadline.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	2	0 5 5 3	0 5 5 3	Passed
Test Case 2	3	0 7 6 4	0 7 6 4	Passed

Private Test cases used for Evaluation	Status
Test Case 1	Passed

Week 7: Programming Assignment 2

Due on 2022-03-17, 23:59 IST

Consider the following program. Fill in the blanks at LINE-1 and 2 with appropriate cast statement,

such that it will satisfy the given test cases.

Your last recorded submission was on 2022-03-17, 08:06 IST

Select the Language for this assignment.

#include <iostream>
using namespace std;
class Base{
    public:
        virtual void f(int a){
            cout << a+1 << " ";
        }
};
class Derived : public Base{
    public:
        virtual void f(int a){
            cout << a+2 << " ";
        }
};
int main() {
    int x;
    cin >> x;
    Base b;
    Derived d;

   try{
        Base& ra1 = static_cast<Base&>(d); //LINE-1
​
        ra1.f(x);
​
        Derived& rb1 = static_cast<Derived&>(b); //LINE-2
​
        rb1.f(x);
    }

    catch(exception& e){
​
        cout << e.what();
    }
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	2	4 3	4 3	Passed
Test Case 2	10	12 11	12 11	Passed

Private Test cases used for Evaluation	Status
Test Case 1	Passed

Week 7: Programming Assignment 3

Due on 2022-03-17, 23:59 IST

Consider the following program. Fill in the blanks at LINE-1 and 2 with appropriate casting operator such that it will satisfy the given test cases.

Your last recorded submission was on 2022-03-17, 08:22 IST

Select the Language for this assignment.

#include<iostream>
using namespace std;
​
class A{
    int a;
    public:
        A(int _a) : a(_a) { }
        void print(){
            cout << a << " ";
        }
};
class B{
    int b;
    public:
        B(int _b) : b(_b) { }
        void print(){
            cout << b;
        }
        void operator=(int x){ 
            b = b + x;
        }
};

void fun(const A &t){
    int x;
    cin >> x;
    A &u = const_cast<A &>(t); //LINE-1
    u.print();
​
    B &v = reinterpret_cast<B &>(u); //LINE-2
    v = x;
    v.print();
}

int main(){
    int a;
    cin >> a;
    A t1(a);
    fun(t1);
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	2 4	2 6	2 6	Passed
Test Case 2	5 1	5 6	5 6	Passed

Private Test cases used for Evaluation	Status
Test Case 1	Passed

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Programming in Modern C++ Week 7 Programming Assignments [ Jan-2022 | NPTEL ]

Week 7: Programming Assignment 1

Week 7: Programming Assignment 2

Week 7: Programming Assignment 3

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