W4_Programming_Qs.1

Due on 2023-08-24, 23:59 IST

Consider the following program. Fill in the blanks as per the instructions given below:

• Complete the variable declaration at LINE-1,

• Complete the function prototype at LINE-2 and LINE-3 with appropriate keywords

such that it will satisfy the given test cases.

Your last recorded submission was on 2023-08-12, 22:41 IST

Select the Language for this assignment.

#include<iostream>
using namespace std;
class Employee{
    const int id;
    string name;
    mutable int salary; //LINE-1
 
    public:
        Employee(int a, string b, int c) : id(a), name(b), salary(c) {}
 
        void updateSal(int x) const{ salary += x; } //LINE-2
 
        void print() const{ cout << id << " : " << name << " : " << salary; } //LINE-3
};

int main(){
    string n;
    int i, m, u;
    cin >> i >> n >> m >> u;
    const Employee e1(i, n, m);
    e1.updateSal(u);
    e1.print();
    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	1 Raj 10000 1000	1 : Raj : 11000	1 : Raj : 11000	Passed
Test Case 2	2 Zakir 50000 5000	2 : Zakir : 55000	2 : Zakir : 55000	Passed

Private Test cases used for Evaluation	Status
Test Case 1	Passed

W4_Programming_Qs.2

Due on 2023-08-24, 23:59 IST

Consider the following program. Fill in the blanks as per the instructions given below.

• at LINE-1 with appropriate forward declaration,

• at LINE-2 with appropriate statement

such that it will satisfy the given test cases

Your last recorded submission was on 2023-08-12, 22:42 IST

Select the Language for this assignment.

#include<iostream>
using namespace std;
 
class B; //LINE-1
class A{
    int a_ = 0;
    public:
        A(int x) : a_(x) {}
        int mulB (B&);
        int subtractB (B&);
};
class B{
    int b_;
    public:
        B(int y) : b_(y) {  }
 
        friend class A; //LINE-2
};

int A::mulB(B &b) {
    return (a_ * b.b_);
}
int A::subtractB(B &b) {
    return (a_ - b.b_);
}
int main(){
    int x, y;
    cin >> x >> y;
    A t1(x);
    B t2(y);
    cout << t1.mulB(t2) << " " << t1.subtractB(t2);
    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	3 4	12 -1	12 -1	Passed
Test Case 2	2 7	14 -5	14 -5	Passed

Private Test cases used for Evaluation	Status
Test Case 1	Passed

W4_Programming_Qs.3

Due on 2023-08-24, 23:59 IST

Consider the following program. Fill in the blanks at LINE-1, LINE-2 and LINE-3 with appropriate statements such that it will satisfy the given test cases.

Your last recorded submission was on 2023-08-12, 22:43 IST

Select the Language for this assignment.

#include<iostream>
using namespace std;
class Singleton{
    int data;
    static Singleton *ins;                  //LINE-1
    Singleton(int i) : data(i) {}
    public:
        int get(){ return data; }
        static Singleton* createIns(int i){      //LINE-2
            if(!ins)
                ins = new Singleton(i);    //LINE-3
            return ins;
        }
        ~Singleton(){ cout << data; }
};

Singleton *Singleton::ins = 0;
void fun(int x){
    Singleton *s = Singleton::createIns(x+5);
    cout << s->get();
}
int main(){
    int i, j;
    cin >> i >> j;
    Singleton *s = Singleton::createIns(i);
    cout << s->get();
    fun(j);
    return 0;
}